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<!--Extended XBRL Label Linkbase created with Bowne Tagger XBRL Enabler by Bowne Software version 10.0.0.71-->
<!--Based on XBRL 2.1-->
<!--Modified on: 2/28/2012 9:51:00 PM-->
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="lab_AssetsCurrentAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetsCurrentAbstract" xml:lang="en-US">Current assets:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetsCurrentAbstract" xml:lang="en-US">Assets, Current [Abstract]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryNet" xlink:to="lab_InventoryNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InventoryNet" xml:lang="en-US">Inventory, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_InventoryNet" xml:lang="en-US">Total inventories, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InventoryNet" xml:lang="en-US">Inventories, net</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNetCurrent" xlink:to="lab_DeferredTaxAssetsNetCurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsNetCurrent" xml:lang="en-US">Deferred Tax Assets, Net, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredTaxAssetsNetCurrent" xml:lang="en-US">Deferred income tax assets</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="lab_AssetsCurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AssetsCurrent" xml:lang="en-US">Total current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetsCurrent" xml:lang="en-US">Assets, Current</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_Goodwill" xml:lang="en-US">Goodwill</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_Goodwill" xml:lang="en-US">Goodwill</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="lab_IntangibleAssetsNetExcludingGoodwill" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IntangibleAssetsNetExcludingGoodwill" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IntangibleAssetsNetExcludingGoodwill" xml:lang="en-US">Intangible assets, net</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="us-gaap_DeferredTaxAssetsNetNoncurrent" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsNetNoncurrent" xml:lang="en-US">Deferred Tax Assets, Net, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredTaxAssetsNetNoncurrent" xml:lang="en-US">Deferred income tax assets</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US">LIABILITIES AND EQUITY</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LiabilitiesCurrentAbstract" xml:lang="en-US">Current liabilities:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LiabilitiesCurrentAbstract" xml:lang="en-US">Liabilities, Current [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredCompensationLiabilityCurrent" xml:lang="en-US">Deferred Compensation Liability, Current</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredRevenueAndCreditsCurrent" xml:lang="en-US">Deferred Revenue and Credits, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredRevenueAndCreditsCurrent" xml:lang="en-US">Deferred revenues and reserves</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_LiabilitiesCurrent" xml:lang="en-US">Total current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LiabilitiesCurrent" xml:lang="en-US">Liabilities, Current</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent" xlink:label="us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPensionPlanLiabilitiesNoncurrent" xml:lang="en-US">Pension liabilities</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:to="lab_DeferredTaxLiabilitiesNoncurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredTaxLiabilitiesNoncurrent" xml:lang="en-US">Deferred income tax liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxLiabilitiesNoncurrent" xml:lang="en-US">Deferred Tax Liabilities, Noncurrent</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="us-gaap_AccruedIncomeTaxesNoncurrent" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccruedIncomeTaxesNoncurrent" xml:lang="en-US">Income taxes payable</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="lab_Liabilities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_Liabilities" xml:lang="en-US">Total liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_Liabilities" xml:lang="en-US">Liabilities</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetIncomeLoss" xml:lang="en-US">Net income attributable to Life Technologies</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareBasic" xml:lang="en-US">Earnings Per Share, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_EarningsPerShareBasic" xml:lang="en-US">Net income attributable to Life Technologies, Earning Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarningsPerShareBasic" xml:lang="en-US">Basic</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_WeightedAverageNumberOfSharesOutstandingBasic" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Net income attributable to Life Technologies, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Basic</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareDiluted" xml:lang="en-US">Earnings Per Share, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_EarningsPerShareDiluted" xml:lang="en-US">Net income attributable to Life Technologies plus assumed conversions, earnings per shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarningsPerShareDiluted" xml:lang="en-US">Diluted</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="lab_WeightedAverageNumberOfDilutedSharesOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Net income attributable to Life Technologies plus assumed conversions, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Net income attributable to Life Technologies plus assumed conversions, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Diluted</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">CASH FLOWS FROM OPERATING ACTIVITIES:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_StatementOfCashFlowsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementOfCashFlowsAbstract" xml:lang="en-US">Consolidated Statements of Cash Flows [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Depreciation" xlink:to="lab_Depreciation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_Depreciation" xml:lang="en-US">Depreciation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_Depreciation" xml:lang="en-US">Depreciation</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="us-gaap_AmortizationOfIntangibleAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfIntangibleAssets" xlink:to="lab_AmortizationOfIntangibleAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AmortizationOfIntangibleAssets" xml:lang="en-US">Amortization of Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AmortizationOfIntangibleAssets" xml:lang="en-US">Amortization of intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="us-gaap_AmortizationOfFinancingCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfFinancingCosts" xlink:to="lab_AmortizationOfFinancingCosts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AmortizationOfFinancingCosts" xml:lang="en-US">Amortization of Financing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AmortizationOfFinancingCosts" xml:lang="en-US">Amortization of deferred debt issuance costs</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="lab_ShareBasedCompensation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensation" xml:lang="en-US">Share-based Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensation" xml:lang="en-US">Share-based compensation expense</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:to="lab_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xml:lang="en-US">Excess Tax Benefit from Share-based Compensation, Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xml:lang="en-US">Incremental tax benefits from stock options exercised</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="lab_DeferredIncomeTaxExpenseBenefit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredIncomeTaxExpenseBenefit" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfDebtDiscountPremium" xlink:to="lab_AmortizationOfDebtDiscountPremium" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lab_IncreaseDecreaseInOperatingCapitalAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US">Changes in operating assets and liabilities:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="lab_IncreaseDecreaseInAccountsReceivable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US">(Increase) Decrease in Accounts Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US">Trade accounts receivable</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="us-gaap_IncreaseDecreaseInInventories" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInInventories" xlink:to="lab_IncreaseDecreaseInInventories" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInInventories" xml:lang="en-US">(Increase) Decrease in Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_IncreaseDecreaseInInventories" xml:lang="en-US">Inventories</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xml:lang="en-US">(Increase) Decrease in Prepaid, Deferred Expense and Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xml:lang="en-US">Prepaid expenses and other current assets</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">(Increase) Decrease in Other Operating Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">Other assets</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInAccruedIncomeTaxesPayable" xml:lang="en-US">Increase (Decrease) in Accrued Income Taxes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncreaseDecreaseInAccruedIncomeTaxesPayable" xml:lang="en-US">Income taxes</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net cash provided by operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsToAcquireInvestments" xml:lang="en-US">Payments to Acquire Investments</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsToAcquireBusinessesNetOfCashAcquired" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_PaymentsToAcquireBusinessesNetOfCashAcquired" xml:lang="en-US">Net cash paid for business combinations</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireOtherProductiveAssets" xlink:label="us-gaap_PaymentsToAcquireOtherProductiveAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireOtherProductiveAssets" xlink:to="lab_PaymentsToAcquireOtherProductiveAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsToAcquireOtherProductiveAssets" xml:lang="en-US">Payments to Acquire Other Productive Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_PaymentsToAcquireOtherProductiveAssets" xml:lang="en-US">Net cash paid for asset purchases</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_LongTermDebtAndCapitalLeaseObligations" xml:lang="en-US">Total long-term debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtAndCapitalLeaseObligations" xml:lang="en-US">Long-term debt</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense" xlink:to="lab_FiniteLivedIntangibleAssetsAmortizationExpense" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsAmortizationExpense" xml:lang="en-US">Purchased intangibles amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsAmortizationExpense" xml:lang="en-US">Amortization expense related to intangible assets associated with product</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeInterest" xlink:to="lab_InvestmentIncomeInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InvestmentIncomeInterest" xml:lang="en-US">Interest income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InvestmentIncomeInterest" xml:lang="en-US">Investment Income, Interest</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="lab_NonoperatingIncomeExpenseAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NonoperatingIncomeExpenseAbstract" xml:lang="en-US">Other income (expense):</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NonoperatingIncomeExpenseAbstract" xml:lang="en-US">Nonoperating Income (Expense) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAmortizationOfDeferredCharges" xlink:label="us-gaap_OtherAmortizationOfDeferredCharges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAmortizationOfDeferredCharges" xlink:to="lab_OtherAmortizationOfDeferredCharges" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherAmortizationOfDeferredCharges" xml:lang="en-US">Amortization of deferred revenue fair market value adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherAmortizationOfDeferredCharges" xml:lang="en-US">Other Amortization of Deferred Charges</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableTrade" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableTrade" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableTrade" xlink:to="lab_IncreaseDecreaseInAccountsPayableTrade" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInAccountsPayableTrade" xml:lang="en-US">Increase (Decrease) in Accounts Payable, Trade</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncreaseDecreaseInAccountsPayableTrade" xml:lang="en-US">Accounts payable</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:to="lab_IncreaseDecreaseInAccruedLiabilities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInAccruedLiabilities" xml:lang="en-US">Increase (Decrease) in Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncreaseDecreaseInAccruedLiabilities" xml:lang="en-US">Accrued expenses and other liabilities</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="us-gaap_TreasuryStockShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockShares" xlink:to="lab_TreasuryStockShares" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TreasuryStockShares" xml:lang="en-US">Treasury Stock, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TreasuryStockShares" xml:lang="en-US">Treasury stock, shares</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:to="lab_GainLossOnSaleOfPropertyPlantEquipment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GainLossOnSaleOfPropertyPlantEquipment" xml:lang="en-US">(Gain) Loss on Sale of Property Plant Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_GainLossOnSaleOfPropertyPlantEquipment" xml:lang="en-US">Loss on disposal of assets</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="lab_DocumentFiscalYearFocus" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DocumentFiscalYearFocus" xml:lang="en-US">Document Fiscal Year Focus</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="lab_DocumentFiscalPeriodFocus" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DocumentFiscalPeriodFocus" xml:lang="en-US">Document Fiscal Period Focus</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="lab_EarningsPerShareAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareAbstract" xml:lang="en-US">Earnings Per Share [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_EarningsPerShareAbstract" xml:lang="en-US">Net share-based compensation expense per common share:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarningsPerShareAbstract" xml:lang="en-US">Net share-based compensation expense per common share:</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="lab_WeightedAverageNumberOfSharesOutstandingAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingAbstract" xml:lang="en-US">Weighted average shares used in per share calculations:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingAbstract" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DocumentAndEntityInformationAbstract" xlink:label="life_DocumentAndEntityInformationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DocumentAndEntityInformationAbstract" xlink:to="life_DocumentAndEntityInformationAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US">Document and Entity Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US">Document And Entity Information.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xlink:to="lab_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xml:lang="en-US">Proceeds from Issuance of Long-term Debt and Capital Securities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xml:lang="en-US">Proceeds from long-term obligations</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AmortizationOfInventoryFairMarketValueAdjustments" xlink:label="life_AmortizationOfInventoryFairMarketValueAdjustments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AmortizationOfInventoryFairMarketValueAdjustments" xlink:to="life_AmortizationOfInventoryFairMarketValueAdjustments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AmortizationOfInventoryFairMarketValueAdjustments_lbl" xml:lang="en-US">Amortization of Inventory Fair Market Value Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AmortizationOfInventoryFairMarketValueAdjustments_lbl" xml:lang="en-US">Amortization of inventory fair market value adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AmortizationOfInventoryFairMarketValueAdjustments_lbl" xml:lang="en-US">Amortization of inventory fair market value adjustments.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDebtIssuanceCosts" xlink:to="lab_PaymentsOfDebtIssuanceCosts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsOfDebtIssuanceCosts" xml:lang="en-US">Payments of Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_PaymentsOfDebtIssuanceCosts" xml:lang="en-US">Issuance cost payments on long-term obligations</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpense" xlink:to="lab_ResearchAndDevelopmentExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ResearchAndDevelopmentExpense" xml:lang="en-US">Research and Development Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ResearchAndDevelopmentExpense" xml:lang="en-US">Research and development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ResearchAndDevelopmentExpense" xml:lang="en-US">Research and Development Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ResearchAndDevelopmentExpense" xml:lang="en-US">Research and development expenses</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="us-gaap_DefinedBenefitPlanServiceCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanServiceCost" xlink:to="lab_DefinedBenefitPlanServiceCost" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanServiceCost" xml:lang="en-US">Defined Benefit Plan, Service Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanServiceCost" xml:lang="en-US">Service cost</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="us-gaap_DefinedBenefitPlanInterestCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanInterestCost" xlink:to="lab_DefinedBenefitPlanInterestCost" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanInterestCost" xml:lang="en-US">Defined Benefit Plan, Interest Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanInterestCost" xml:lang="en-US">Interest cost</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:to="lab_DefinedBenefitPlanExpectedReturnOnPlanAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:to="lab_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xml:lang="en-US">Defined Benefit Plan, Amortization of Prior Service Cost (Credit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xml:lang="en-US">Amortization of prior service cost (credit)</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPensionPlansAndDefinedBenefitPostretirementPlansDisclosureAbstract" xlink:label="us-gaap_DefinedBenefitPensionPlansAndDefinedBenefitPostretirementPlansDisclosureAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPensionPlansAndDefinedBenefitPostretirementPlansDisclosureAbstract" xlink:to="lab_DefinedBenefitPensionPlansAndDefinedBenefitPostretirementPlansDisclosureAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DefinedBenefitPensionPlansAndDefinedBenefitPostretirementPlansDisclosureAbstract" xml:lang="en-US">Company's pension and postretirement plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPensionPlansAndDefinedBenefitPostretirementPlansDisclosureAbstract" xml:lang="en-US">The components of net periodic pension cost or (benefit) for the Company's pension plans and postretirement benefits plans</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" xlink:to="lab_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" xml:lang="en-US">Schedule of Defined Benefit Plans Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" xml:lang="en-US">The components of net periodic pension cost (income) for the Company's pension and postretirement benefits plans</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="lab_NetIncomeLossAttributableToNoncontrollingInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US">Net loss attributable to noncontrolling interests</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="lab_ProfitLoss" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProfitLoss" xml:lang="en-US">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ProfitLoss" xml:lang="en-US">Net income, as reported</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ProfitLoss" xml:lang="en-US">Net income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProfitLoss" xml:lang="en-US">Net income</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Total equity</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterest" xlink:label="us-gaap_MinorityInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterest" xlink:to="lab_MinorityInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MinorityInterest" xml:lang="en-US">Noncontrolling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MinorityInterest" xml:lang="en-US">Stockholders' Equity Attributable to Noncontrolling Interest</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="lab_EffectiveIncomeTaxRateContinuingOperations" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:to="lab_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xml:lang="en-US">Defined Benefit Plans Disclosures, Defined Benefit Plans [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="us-gaap_DefinedBenefitPlansDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlansDomain" xlink:to="lab_DefinedBenefitPlansDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlansDomain" xml:lang="en-US">Defined Benefit Plans [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xml:lang="en-US">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xml:lang="en-US">Stockholders' equity:</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember" xlink:label="us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember" xlink:to="lab_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnitedStatesPostretirementBenefitPlansOfUSEntityDefinedBenefitMember" xlink:label="us-gaap_UnitedStatesPostretirementBenefitPlansOfUSEntityDefinedBenefitMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnitedStatesPostretirementBenefitPlansOfUSEntityDefinedBenefitMember" xlink:to="lab_UnitedStatesPostretirementBenefitPlansOfUSEntityDefinedBenefitMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:label="us-gaap_ForeignPensionPlansDefinedBenefitMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:to="lab_ForeignPensionPlansDefinedBenefitMember" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncomeTaxesTextualAbstract" xlink:label="life_IncomeTaxesTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_IncomeTaxesTextualAbstract" xlink:to="life_IncomeTaxesTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_IncomeTaxesTextualAbstract_lbl" xml:lang="en-US">Income Taxes (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IncomeTaxesTextualAbstract_lbl" xml:lang="en-US">Income Taxes (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_IncomeTaxesTextualAbstract_lbl" xml:lang="en-US">Income Taxes.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_StockRepurchaseProgramTextualAbstract" xlink:label="life_StockRepurchaseProgramTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_StockRepurchaseProgramTextualAbstract" xlink:to="life_StockRepurchaseProgramTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_StockRepurchaseProgramTextualAbstract_lbl" xml:lang="en-US">Stock Repurchase Program (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_StockRepurchaseProgramTextualAbstract_lbl" xml:lang="en-US">Stock Repurchase Programs (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_StockRepurchaseProgramTextualAbstract_lbl" xml:lang="en-US">Stock Repurchase Program.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_LinesOfCreditTextualAbstract" xlink:label="life_LinesOfCreditTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_LinesOfCreditTextualAbstract" xlink:to="life_LinesOfCreditTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_LinesOfCreditTextualAbstract_lbl" xml:lang="en-US">Lines of Credit (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_LinesOfCreditTextualAbstract_lbl" xml:lang="en-US">Lines of Credit (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_LinesOfCreditTextualAbstract_lbl" xml:lang="en-US">Lines of credit (Textual) [Abstract].</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCredit" xlink:label="us-gaap_LineOfCredit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCredit" xlink:to="lab_LineOfCredit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCredit" xml:lang="en-US">Long-term Line of Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_LineOfCredit" xml:lang="en-US">Long-term Line of Credit, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCredit" xml:lang="en-US">Letter of credit issued under revolving credit facility</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="us-gaap_LineOfCreditMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditMember" xlink:to="lab_LineOfCreditMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="lab_LineOfCreditFacilityRemainingBorrowingCapacity" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US">Line of credit remaining borrowing capacity</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_CommitmentAndContingenciesTextualAbstract" xlink:label="life_CommitmentAndContingenciesTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_CommitmentAndContingenciesTextualAbstract" xlink:to="life_CommitmentAndContingenciesTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_CommitmentAndContingenciesTextualAbstract_lbl" xml:lang="en-US">Commitment and Contingencies (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_CommitmentAndContingenciesTextualAbstract_lbl" xml:lang="en-US">Commitment and Contingencies (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_CommitmentAndContingenciesTextualAbstract_lbl" xml:lang="en-US">Commitment and Contingencies (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:to="lab_LineOfCreditFacilityAmountOutstanding" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_FutureEmploymentContractCommitments" xlink:label="life_FutureEmploymentContractCommitments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_FutureEmploymentContractCommitments" xlink:to="life_FutureEmploymentContractCommitments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_FutureEmploymentContractCommitments_lbl" xml:lang="en-US">Future employment contract commitments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_FutureEmploymentContractCommitments_lbl" xml:lang="en-US">Future employment contract commitments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_FutureEmploymentContractCommitments_lbl" xml:lang="en-US">Future employment contract commitments</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="lab_LegalEntityAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LegalEntityAxis" xml:lang="en-US">Legal Entity [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="lab_EntityDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityDomain" xml:lang="en-US">Entity [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="lab_LineOfCreditFacilityMaximumBorrowingCapacity" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Line of Credit</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_LettersOfCreditOutstandingToSupportPerformanceBondAgreementsMember" xlink:label="life_LettersOfCreditOutstandingToSupportPerformanceBondAgreementsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_LettersOfCreditOutstandingToSupportPerformanceBondAgreementsMember" xlink:to="life_LettersOfCreditOutstandingToSupportPerformanceBondAgreementsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_LettersOfCreditOutstandingToSupportPerformanceBondAgreementsMember_lbl" xml:lang="en-US">Letters of credit outstanding to support performance bond agreements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_LettersOfCreditOutstandingToSupportPerformanceBondAgreementsMember_lbl" xml:lang="en-US">Letters of credit outstanding to support performance bond agreements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_LettersOfCreditOutstandingToSupportPerformanceBondAgreementsMember_lbl" xml:lang="en-US">letters of credit outstanding to support  performance bond agreements.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_LettersOfCreditOutstandingToSupportDutyOnImportedProductsMember" xlink:label="life_LettersOfCreditOutstandingToSupportDutyOnImportedProductsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_LettersOfCreditOutstandingToSupportDutyOnImportedProductsMember" xlink:to="life_LettersOfCreditOutstandingToSupportDutyOnImportedProductsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_LettersOfCreditOutstandingToSupportDutyOnImportedProductsMember_lbl" xml:lang="en-US">Letters of credit outstanding to support duty on imported products [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_LettersOfCreditOutstandingToSupportDutyOnImportedProductsMember_lbl" xml:lang="en-US">Letters of credit outstanding to support duty on imported products [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_LettersOfCreditOutstandingToSupportDutyOnImportedProductsMember_lbl" xml:lang="en-US">letters of credit outstanding to support duty on imported products.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_LettersOfCreditOutstandingToSupportBuildingLeaseRequirementsMember" xlink:label="life_LettersOfCreditOutstandingToSupportBuildingLeaseRequirementsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_LettersOfCreditOutstandingToSupportBuildingLeaseRequirementsMember" xlink:to="life_LettersOfCreditOutstandingToSupportBuildingLeaseRequirementsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_LettersOfCreditOutstandingToSupportBuildingLeaseRequirementsMember_lbl" xml:lang="en-US">Letters of credit outstanding to support building lease requirements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_LettersOfCreditOutstandingToSupportBuildingLeaseRequirementsMember_lbl" xml:lang="en-US">Letters of credit outstanding to support building lease requirements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_LettersOfCreditOutstandingToSupportBuildingLeaseRequirementsMember_lbl" xml:lang="en-US">letters of credit outstanding to support building lease requirements.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesGross" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesGross" xlink:to="lab_AccrualForEnvironmentalLossContingenciesGross" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xlink:to="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due within One Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xml:lang="en-US">Environmental reserves, current reserves</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryNetAbstract" xlink:label="us-gaap_InventoryNetAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryNetAbstract" xlink:to="lab_InventoryNetAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InventoryNetAbstract" xml:lang="en-US">Inventory, Net [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_InventoryNetAbstract" xml:lang="en-US">Schedule of inventory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InventoryNetAbstract" xml:lang="en-US">Inventories</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryFinishedGoods" xlink:label="us-gaap_InventoryFinishedGoods" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryFinishedGoods" xlink:to="lab_InventoryFinishedGoods" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InventoryFinishedGoods" xml:lang="en-US">Inventory, Finished Goods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_InventoryFinishedGoods" xml:lang="en-US">Inventory, Finished Goods, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InventoryFinishedGoods" xml:lang="en-US">Finished goods (materials, labor and overhead)</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryWorkInProcess" xlink:label="us-gaap_InventoryWorkInProcess" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryWorkInProcess" xlink:to="lab_InventoryWorkInProcess" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InventoryWorkInProcess" xml:lang="en-US">Inventory, Work in Process</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InventoryWorkInProcess" xml:lang="en-US">Work in process (materials, labor and overhead)</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="us-gaap_MachineryAndEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentMember" xlink:to="lab_MachineryAndEquipmentMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SoftwareMember" xlink:label="us-gaap_SoftwareMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SoftwareMember" xlink:to="lab_SoftwareMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" xlink:to="lab_PropertyPlantAndEquipmentUsefulLifeMinimum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentUsefulLifeMinimum" xml:lang="en-US">Property, Plant and Equipment, Useful Life, Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentUsefulLifeMinimum" xml:lang="en-US">Estimated useful life (years), minimum</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" xlink:to="lab_PropertyPlantAndEquipmentUsefulLifeMaximum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentUsefulLifeMaximum" xml:lang="en-US">Property, Plant and Equipment, Useful Life, Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentUsefulLifeMaximum" xml:lang="en-US">Estimated useful life (years), maximum</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="lab_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="lab_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated depreciation and amortization</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="lab_PropertyPlantAndEquipmentGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Total gross property and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Total gross property and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Total property and equipment</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="us-gaap_ConstructionInProgressGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConstructionInProgressGross" xlink:to="lab_ConstructionInProgressGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ConstructionInProgressGross" xml:lang="en-US">Construction in Progress, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ConstructionInProgressGross" xml:lang="en-US">Construction in process</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ConstructionInProgressGross" xml:lang="en-US">Construction in process</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_InternalUseSoftware" xlink:label="life_InternalUseSoftware" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_InternalUseSoftware" xlink:to="life_InternalUseSoftware_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_InternalUseSoftware_lbl" xml:lang="en-US">Internal Use Software</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_InternalUseSoftware_lbl" xml:lang="en-US">Internal use software.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_InternalUseSoftware_lbl" xml:lang="en-US">Internal use software</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="us-gaap_MachineryAndEquipmentGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentGross" xlink:to="lab_MachineryAndEquipmentGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MachineryAndEquipmentGross" xml:lang="en-US">Machinery and Equipment, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_MachineryAndEquipmentGross" xml:lang="en-US">Machinery and Equipment, Gross, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MachineryAndEquipmentGross" xml:lang="en-US">Machinery and equipment</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="us-gaap_BuildingsAndImprovementsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingsAndImprovementsGross" xlink:to="lab_BuildingsAndImprovementsGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BuildingsAndImprovementsGross" xml:lang="en-US">Buildings and Improvements, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BuildingsAndImprovementsGross" xml:lang="en-US">Buildings and Improvements, Gross, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BuildingsAndImprovementsGross" xml:lang="en-US">Building and improvements</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CustomerListsMember" xlink:label="us-gaap_CustomerListsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerListsMember" xlink:to="lab_CustomerListsMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAbstract" xlink:to="lab_FiniteLivedIntangibleAssetsAbstract" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="us-gaap_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:to="lab_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xml:lang="en-US">Finite-Lived Intangible Assets, Weighted-Average Useful Life</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xml:lang="en-US">Weighted-average amortization periods for intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xml:lang="en-US">Finite-Lived Intangible Assets, Weighted-Average Useful Life, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xml:lang="en-US">Weighted average Life</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="lab_FiniteLivedIntangibleAssetsGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Finite-Lived Intangible Assets, Gross, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Gross carrying Amount</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Finite-Lived Intangible Assets, Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Accumulated Amortization</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedRoyaltiesCurrent" xlink:label="us-gaap_AccruedRoyaltiesCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedRoyaltiesCurrent" xlink:to="lab_AccruedRoyaltiesCurrent" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Comprehensive income</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:to="lab_CarryingReportedAmountFairValueDisclosureMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Investments" xlink:label="us-gaap_Investments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Investments" xlink:to="lab_Investments" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermInvestmentsAbstract" xlink:label="us-gaap_ShortTermInvestmentsAbstract" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BankTimeDepositsMember" xlink:to="lab_BankTimeDepositsMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="us-gaap_EquitySecuritiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesMember" xlink:to="lab_EquitySecuritiesMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="us-gaap_MoneyMarketFundsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MoneyMarketFundsMember" xlink:to="lab_MoneyMarketFundsMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:to="lab_StockIssuedDuringPeriodValueAcquisitions" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodValueAcquisitions" xml:lang="en-US">Stock Issued During Period, Value, Acquisitions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_StockIssuedDuringPeriodValueAcquisitions" xml:lang="en-US">Stock Issued During Period, Value, Acquisitions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodValueAcquisitions" xml:lang="en-US">Common stock issuances for business combination</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:to="lab_StockIssuedDuringPeriodValueShareBasedCompensation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodValueShareBasedCompensation" xml:lang="en-US">Stock Issued During Period, Value, Share-based Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_StockIssuedDuringPeriodValueShareBasedCompensation" xml:lang="en-US">Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodValueShareBasedCompensation" xml:lang="en-US">Common stock issuances under employee stock plans</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:to="lab_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xml:lang="en-US">Excess tax benefit associated with employee stock plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xml:lang="en-US">Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xml:lang="en-US">Tax benefit of employee stock plans</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OtherCurrentAssetsMember" xlink:label="life_OtherCurrentAssetsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OtherCurrentAssetsMember" xlink:to="life_OtherCurrentAssetsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OtherCurrentAssetsMember_lbl" xml:lang="en-US">Other current assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OtherCurrentAssetsMember_lbl" xml:lang="en-US">Other current assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OtherCurrentAssetsMember_lbl" xml:lang="en-US">Other current assets.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OtherCurrentLiabilitiesMember" xlink:label="life_OtherCurrentLiabilitiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OtherCurrentLiabilitiesMember" xlink:to="life_OtherCurrentLiabilitiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OtherCurrentLiabilitiesMember_lbl" xml:lang="en-US">Other current liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OtherCurrentLiabilitiesMember_lbl" xml:lang="en-US">Other current liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OtherCurrentLiabilitiesMember_lbl" xml:lang="en-US">Other current liabilities.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="lab_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Foreign currency translation adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Foreign currency translation adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Translation adjustment</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:to="lab_DerivativeFairValueOfDerivativeAsset" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeFairValueOfDerivativeAsset" xml:lang="en-US">Derivative Asset, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeFairValueOfDerivativeAsset" xml:lang="en-US">Asset Derivatives, total</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:to="lab_DerivativeFairValueOfDerivativeLiability" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeFairValueOfDerivativeLiability" xml:lang="en-US">Derivative Liability, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeFairValueOfDerivativeLiability" xml:lang="en-US">Liability Derivatives, total</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:to="lab_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xml:lang="en-US">Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xml:lang="en-US">Effect of derivative instruments on the Consolidated Statements of Operations</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_RevenueMember" xlink:label="life_RevenueMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_RevenueMember" xlink:to="life_RevenueMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_RevenueMember_lbl" xml:lang="en-US">Revenue [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_RevenueMember_lbl" xml:lang="en-US">Revenue [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_RevenueMember_lbl" xml:lang="en-US">Revenue.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:to="lab_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:to="lab_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForwardContractsMember" xlink:label="us-gaap_ForwardContractsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForwardContractsMember" xlink:to="lab_ForwardContractsMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="us-gaap_InterestRateSwapMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateSwapMember" xlink:to="lab_InterestRateSwapMember" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OtherIncomeExpenseMember" xlink:label="life_OtherIncomeExpenseMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OtherIncomeExpenseMember" xlink:to="life_OtherIncomeExpenseMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OtherIncomeExpenseMember_lbl" xml:lang="en-US">Other income expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OtherIncomeExpenseMember_lbl" xml:lang="en-US">Other income expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OtherIncomeExpenseMember_lbl" xml:lang="en-US">Other (income)/expense.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:to="lab_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xml:lang="en-US">Recognized gain or loss related to the ineffective portion of hedging instruments in other expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xml:lang="en-US">Derivatives instruments designated and qualified, Amount of (Gain)/Loss recognized in Income, Ineffective Portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xml:lang="en-US">Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xml:lang="en-US">Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net, Total</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SeniorNotesOneMember" xlink:label="life_SeniorNotesOneMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SeniorNotesOneMember" xlink:to="life_SeniorNotesOneMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SeniorNotesOneMember_lbl" xml:lang="en-US">Senior Notes One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SeniorNotesOneMember_lbl" xml:lang="en-US">4.400% Senior Notes (principal due 2015) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SeniorNotesOneMember_lbl" xml:lang="en-US">Senior Notes One.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SeniorNotesTwoMember" xlink:label="life_SeniorNotesTwoMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SeniorNotesTwoMember" xlink:to="life_SeniorNotesTwoMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SeniorNotesTwoMember_lbl" xml:lang="en-US">Senior Notes Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SeniorNotesTwoMember_lbl" xml:lang="en-US">6.000% Senior Notes (principal due 2020) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SeniorNotesTwoMember_lbl" xml:lang="en-US">Senior Notes Two.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="us-gaap_SeniorNotesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeniorNotesMember" xlink:to="lab_SeniorNotesMember" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ConvertibleNotesPayableOneMember" xlink:label="life_ConvertibleNotesPayableOneMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ConvertibleNotesPayableOneMember" xlink:to="life_ConvertibleNotesPayableOneMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ConvertibleNotesPayableOneMember_lbl" xml:lang="en-US">Convertible Notes Payable One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ConvertibleNotesPayableOneMember_lbl" xml:lang="en-US">1 1/2% Convertible Senior Notes due 2024 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ConvertibleNotesPayableOneMember_lbl" xml:lang="en-US">Convertible notes payable one.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ConvertibleNotesPayableTwoMember" xlink:label="life_ConvertibleNotesPayableTwoMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ConvertibleNotesPayableTwoMember" xlink:to="life_ConvertibleNotesPayableTwoMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ConvertibleNotesPayableTwoMember_lbl" xml:lang="en-US">Convertible Notes Payable Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ConvertibleNotesPayableTwoMember_lbl" xml:lang="en-US">3 1/4% Convertible Senior Notes due 2025 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ConvertibleNotesPayableTwoMember_lbl" xml:lang="en-US">Convertible notes payable two.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NotionalAmountOfForeignCurrencyDerivatives" xlink:label="us-gaap_NotionalAmountOfForeignCurrencyDerivatives" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NotionalAmountOfForeignCurrencyDerivatives" xml:lang="en-US">Notional principal amount in foreign currency forward contracts outstanding to hedge currency risk relative to foreign receivables and payables</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearOne" xlink:to="lab_FutureAmortizationExpenseYearOne" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FutureAmortizationExpenseYearOne" xml:lang="en-US">Future Amortization Expense, Year One</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearTwo" xlink:to="lab_FutureAmortizationExpenseYearTwo" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FutureAmortizationExpenseYearTwo" xml:lang="en-US">Future Amortization Expense, Year Two</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearThree" xlink:to="lab_FutureAmortizationExpenseYearThree" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FutureAmortizationExpenseYearThree" xml:lang="en-US">Future Amortization Expense, Year Three</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearFour" xlink:to="lab_FutureAmortizationExpenseYearFour" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FutureAmortizationExpenseYearFour" xml:lang="en-US">Future Amortization Expense, Year Four</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearFive" xlink:to="lab_FutureAmortizationExpenseYearFive" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FutureAmortizationExpenseYearFive" xml:lang="en-US">Future Amortization Expense, Year Five</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Land" xlink:to="lab_Land" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_Land" xml:lang="en-US">Land</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosureItemAmountsDomain" xlink:to="lab_FairValueDisclosureItemAmountsDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueDisclosureItemAmountsDomain" xml:lang="en-US">Fair Value, Disclosure Item Amounts [Domain]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="lab_FairValueInputsLevel1Member" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="lab_FairValueInputsLevel2Member" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="lab_FairValueInputsLevel3Member" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="lab_StatementEquityComponentsAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementEquityComponentsAxis" xml:lang="en-US">Statement, Equity Components [Axis]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="lab_EquityComponentDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityComponentDomain" xml:lang="en-US">Equity Component [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ParentMember" xml:lang="en-US">Parent [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="lab_CommonStockMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockMember" xml:lang="en-US">Common Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockMember" xml:lang="en-US">Common Stock</label>
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_CarryingValueOfOtherCurrentLiabilitiesIncludedInSalesOfJointVenture" xlink:label="life_CarryingValueOfOtherCurrentLiabilitiesIncludedInSalesOfJointVenture" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_CarryingValueOfOtherCurrentLiabilitiesIncludedInSalesOfJointVenture_lbl" xml:lang="en-US">Carrying value of other current liabilities included in sales</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareBasicAbstract" xml:lang="en-US">Earnings Per Share, Basic [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestOnConvertibleDebtNetOfTax" xml:lang="en-US">Interest on Convertible Debt, Net of Tax</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestOnConvertibleDebtNetOfTax" xml:lang="en-US">Convertible Senior Notes</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalLeaseObligations" xml:lang="en-US">Capital Lease Obligations</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtAndCapitalLeaseObligations" xml:lang="en-US">Debt and Capital Lease Obligations</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_LongTermDebtTextualAbstract_lbl" xml:lang="en-US">Long Term Debt (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_LongTermDebtTextualAbstract_lbl" xml:lang="en-US">Long-Term Debt (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_LongTermDebtTextualAbstract_lbl" xml:lang="en-US">Long Term Debt (Textual) [Abstract].</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IssuedPriceOfSeniorNotes" xlink:label="life_IssuedPriceOfSeniorNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_IssuedPriceOfSeniorNotes" xlink:to="life_IssuedPriceOfSeniorNotes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_IssuedPriceOfSeniorNotes_lbl" xml:lang="en-US">Issued Price of Senior Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IssuedPriceOfSeniorNotes_lbl" xml:lang="en-US">Issued price of senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_IssuedPriceOfSeniorNotes_lbl" xml:lang="en-US">Issued Price Of Senior Notes.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentUnamortizedDiscount" xlink:to="lab_DebtInstrumentUnamortizedDiscount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentUnamortizedDiscount" xml:lang="en-US">Debt Instrument, Unamortized Discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentUnamortizedDiscount" xml:lang="en-US">Unamortized debt discount of senior notes</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AggregateUnderwritingDiscountOnSeniorNotes" xlink:label="life_AggregateUnderwritingDiscountOnSeniorNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AggregateUnderwritingDiscountOnSeniorNotes" xlink:to="life_AggregateUnderwritingDiscountOnSeniorNotes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AggregateUnderwritingDiscountOnSeniorNotes_lbl" xml:lang="en-US">Aggregate underwriting discount on senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AggregateUnderwritingDiscountOnSeniorNotes_lbl" xml:lang="en-US">Aggregate underwriting discount on senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AggregateUnderwritingDiscountOnSeniorNotes_lbl" xml:lang="en-US">Aggregate underwriting discount on senior notes.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_WeightedAveragePeriodForUnamortizedIssuanceCosts" xlink:label="life_WeightedAveragePeriodForUnamortizedIssuanceCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_WeightedAveragePeriodForUnamortizedIssuanceCosts" xlink:to="life_WeightedAveragePeriodForUnamortizedIssuanceCosts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_WeightedAveragePeriodForUnamortizedIssuanceCosts_lbl" xml:lang="en-US">Weighted Average Period for Unamortized Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_WeightedAveragePeriodForUnamortizedIssuanceCosts_lbl" xml:lang="en-US">Weighted average period for unamortized issuance costs for recognition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_WeightedAveragePeriodForUnamortizedIssuanceCosts_lbl" xml:lang="en-US">Weighted average period for unamortized issuance costs.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="us-gaap_InterestExpenseDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseDebt" xlink:to="lab_InterestExpenseDebt" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:to="lab_DebtInstrumentInterestRateEffectivePercentage" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateEffectivePercentage" xml:lang="en-US">Effective interest rates of senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateEffectivePercentage" xml:lang="en-US">Debt Instrument, Interest Rate, Effective Percentage</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ContractualInterestBasedOnStatedCouponRate" xlink:label="life_ContractualInterestBasedOnStatedCouponRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ContractualInterestBasedOnStatedCouponRate" xlink:to="life_ContractualInterestBasedOnStatedCouponRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ContractualInterestBasedOnStatedCouponRate_lbl" xml:lang="en-US">Contractual interest based on the stated coupon rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ContractualInterestBasedOnStatedCouponRate_lbl" xml:lang="en-US">Contractual interest based on stated coupon rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ContractualInterestBasedOnStatedCouponRate_lbl" xml:lang="en-US">Contractual interest based on the stated coupon rate.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="us-gaap_StockOptionsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionsMember" xlink:to="lab_StockOptionsMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:to="lab_CompensationRelatedCostsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CompensationRelatedCostsPolicyTextBlock" xml:lang="en-US">Compensation Related Costs, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CompensationRelatedCostsPolicyTextBlock" xml:lang="en-US">Accounting for Share-Based Compensation</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="us-gaap_EarningsPerShareDilutedAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="lab_EarningsPerShareDilutedAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareDilutedAbstract" xml:lang="en-US">Earnings Per Share, Diluted [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarningsPerShareDilutedAbstract" xml:lang="en-US">Diluted earnings per share:</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="lab_LongTermDebtAndCapitalLeaseObligationsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtAndCapitalLeaseObligationsAbstract" xml:lang="en-US">Long-term Debt and Capital Lease Obligations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtAndCapitalLeaseObligationsAbstract" xml:lang="en-US">Long-term debt</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="lab_DebtInstrumentFaceAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentFaceAmount" xml:lang="en-US">Debt Instrument, Face Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentFaceAmount" xml:lang="en-US">Aggregate principal amount of senior notes, convertible senior notes and term loans</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="us-gaap_DeferredFinanceCostsNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFinanceCostsNet" xlink:to="lab_DeferredFinanceCostsNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredFinanceCostsNet" xml:lang="en-US">Deferred Finance Costs, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DeferredFinanceCostsNet" xml:lang="en-US">Deferred Finance Costs, Net, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredFinanceCostsNet" xml:lang="en-US">Total deferred financing costs associated with issuance of senior notes</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="us-gaap_UnamortizedDebtIssuanceExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnamortizedDebtIssuanceExpense" xlink:to="lab_UnamortizedDebtIssuanceExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnamortizedDebtIssuanceExpense" xml:lang="en-US">Unamortized Debt Issuance Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_UnamortizedDebtIssuanceExpense" xml:lang="en-US">Unamortized issuance costs of senior notes</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:label="us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:to="lab_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xml:lang="en-US">Debt Instrument, Convertible, Carrying Amount of Equity Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xml:lang="en-US">Equity components of convertible senior notes</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_LiabilityComponentClassifiedInLongTermDebt" xlink:label="life_LiabilityComponentClassifiedInLongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_LiabilityComponentClassifiedInLongTermDebt" xlink:to="life_LiabilityComponentClassifiedInLongTermDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_LiabilityComponentClassifiedInLongTermDebt_lbl" xml:lang="en-US">Liability component classified in long term debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_LiabilityComponentClassifiedInLongTermDebt_lbl" xml:lang="en-US">Liability component classified in long term debt.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_LiabilityComponentClassifiedInLongTermDebt_lbl" xml:lang="en-US">Liability component classified in long term debt</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IssuanceCostOfConvertibleSeniorNotesAllocatedToEquity" xlink:label="life_IssuanceCostOfConvertibleSeniorNotesAllocatedToEquity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_IssuanceCostOfConvertibleSeniorNotesAllocatedToEquity" xlink:to="life_IssuanceCostOfConvertibleSeniorNotesAllocatedToEquity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_IssuanceCostOfConvertibleSeniorNotesAllocatedToEquity_lbl" xml:lang="en-US">Issuance Cost of Convertible Senior Notes Allocated to Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IssuanceCostOfConvertibleSeniorNotesAllocatedToEquity_lbl" xml:lang="en-US">Issuance costs of convertible senior notes allocated to equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_IssuanceCostOfConvertibleSeniorNotesAllocatedToEquity_lbl" xml:lang="en-US">Issuance cost of Convertible Senior Notes allocated to equity.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DeferredTaxImpactArisingFromAllocationOfUnderlyingIssuanceCostsOfSeniorNotesToEquity" xlink:label="life_DeferredTaxImpactArisingFromAllocationOfUnderlyingIssuanceCostsOfSeniorNotesToEquity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DeferredTaxImpactArisingFromAllocationOfUnderlyingIssuanceCostsOfSeniorNotesToEquity" xlink:to="life_DeferredTaxImpactArisingFromAllocationOfUnderlyingIssuanceCostsOfSeniorNotesToEquity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DeferredTaxImpactArisingFromAllocationOfUnderlyingIssuanceCostsOfSeniorNotesToEquity_lbl" xml:lang="en-US">Deferred tax impact arising from allocation of underlying issuance costs of senior notes to equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DeferredTaxImpactArisingFromAllocationOfUnderlyingIssuanceCostsOfSeniorNotesToEquity_lbl" xml:lang="en-US">Deferred tax impact arising from allocation of Underlying issuance costs of senior notes to equity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DeferredTaxImpactArisingFromAllocationOfUnderlyingIssuanceCostsOfSeniorNotesToEquity_lbl" xml:lang="en-US">Deferred tax impact arising from allocation of underlying issuance costs of senior notes to equity</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentConvertibleInterestExpense" xlink:label="us-gaap_DebtInstrumentConvertibleInterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleInterestExpense" xlink:to="lab_DebtInstrumentConvertibleInterestExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentConvertibleInterestExpense" xml:lang="en-US">Debt Instrument, Convertible, Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentConvertibleInterestExpense" xml:lang="en-US">Total interest expense for convertible senior notes</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OfferToPurchaseOutstandingNotes" xlink:label="life_OfferToPurchaseOutstandingNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OfferToPurchaseOutstandingNotes" xlink:to="life_OfferToPurchaseOutstandingNotes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OfferToPurchaseOutstandingNotes_lbl" xml:lang="en-US">Offer to purchase outstanding notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OfferToPurchaseOutstandingNotes_lbl" xml:lang="en-US">Offer to purchase outstanding notes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OfferToPurchaseOutstandingNotes_lbl" xml:lang="en-US">Offer to purchase outstanding notes</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DiscountRateOnSemiAnnualBasis" xlink:label="life_DiscountRateOnSemiAnnualBasis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DiscountRateOnSemiAnnualBasis" xlink:to="life_DiscountRateOnSemiAnnualBasis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DiscountRateOnSemiAnnualBasis_lbl" xml:lang="en-US">Discount rate on semi annual basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DiscountRateOnSemiAnnualBasis_lbl" xml:lang="en-US">Discount rate on semi annual basis.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DiscountRateOnSemiAnnualBasis_lbl" xml:lang="en-US">Discount rate on semi annual basis</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentTable_lbl" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US">Debt Instrument [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="us-gaap_LineOfCreditFacilityTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_LineOfCreditFacilityTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xml:lang="en-US">Line of Credit Facility [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="us-gaap_LineOfCreditFacilityLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xml:lang="en-US">Line of Credit Facility [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionLineItems" xml:lang="en-US">Business Acquisition [Line Items]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:to="lab_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xml:lang="en-US">Related income tax benefits</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EmployeeStockPurchaseRightsMember" xlink:to="life_EmployeeStockPurchaseRightsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EmployeeStockPurchaseRightsMember_lbl" xml:lang="en-US">Employee Stock Purchase Rights [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DeferredCompensationPlanAssetsMember" xlink:to="life_DeferredCompensationPlanAssetsMember_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DeferredCompensationPlanAssetsMember_lbl" xml:lang="en-US">Deferred compensation plan assets [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember" xlink:to="lab_DerivativeFinancialInstrumentsLiabilitiesMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:to="lab_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:to="lab_FairValueByBalanceSheetGroupingTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueByBalanceSheetGroupingTextBlock" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueByBalanceSheetGroupingTextBlock" xml:lang="en-US">Fair values of derivative instruments</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="lab_PropertyPlantAndEquipmentNetAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentNetAbstract" xml:lang="en-US">Property, Plant and Equipment, Net [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentNetAbstract" xml:lang="en-US">Property and equipment</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:to="lab_IndefiniteLivedIntangibleAssetsExcludingGoodwill" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xml:lang="en-US">Indefinite-Lived Intangible Assets (Excluding Goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xml:lang="en-US">Gross carrying Amount of intangible assets not subject to amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xml:lang="en-US">Gross carrying Amount of intangible assets not subject to amortization</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:to="lab_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xml:lang="en-US">Derivative Instruments, Gain (Loss) by Hedging Relationship [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="us-gaap_HedgingRelationshipDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgingRelationshipDomain" xlink:to="lab_HedgingRelationshipDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HedgingRelationshipDomain" xml:lang="en-US">Hedging Relationship [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="us-gaap_CashFlowHedgingMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowHedgingMember" xlink:to="lab_CashFlowHedgingMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="us-gaap_EmployeeStockOptionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeStockOptionMember" xlink:to="lab_EmployeeStockOptionMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:to="lab_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xml:lang="en-US">Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsByReportLineAxis" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsByReportLineAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsByReportLineAxis" xlink:to="lab_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsByReportLineAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsByReportLineAxis" xml:lang="en-US">Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsReportLineDomain" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsReportLineDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsReportLineDomain" xlink:to="lab_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsReportLineDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsReportLineDomain" xml:lang="en-US">Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:to="lab_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xml:lang="en-US">Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="lab_NetIncomeLossAvailableToCommonStockholdersBasic" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Basic, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net income attributable to Life Technologies</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Expiration Dating</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xml:lang="en-US">Stock option awards granted to eligible employees and directors, expiration period from the date of grants</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockOptionMember" xlink:label="us-gaap_StockOptionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionMember" xlink:to="lab_StockOptionMember" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PortionOfCreditFacilityMember" xlink:label="life_PortionOfCreditFacilityMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PortionOfCreditFacilityMember" xlink:to="life_PortionOfCreditFacilityMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PortionOfCreditFacilityMember_lbl" xml:lang="en-US">Portion of credit facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PortionOfCreditFacilityMember_lbl" xml:lang="en-US">Portion of credit facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PortionOfCreditFacilityMember_lbl" xml:lang="en-US">Portion of credit facility.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AdditionalLongTermDebtTextualAbstract" xlink:label="life_AdditionalLongTermDebtTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AdditionalLongTermDebtTextualAbstract" xlink:to="life_AdditionalLongTermDebtTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AdditionalLongTermDebtTextualAbstract_lbl" xml:lang="en-US">Additional Long Term Debt (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AdditionalLongTermDebtTextualAbstract_lbl" xml:lang="en-US">Additional Long-Term Debt (Textual) [Abstract].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AdditionalLongTermDebtTextualAbstract_lbl" xml:lang="en-US">Additional Long-Term Debt (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TreasuryStockValueAcquiredCostMethod" xml:lang="en-US">Treasury Stock, Value, Acquired, Cost Method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_TreasuryStockValueAcquiredCostMethod" xml:lang="en-US">Purchase of treasury shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_TreasuryStockValueAcquiredCostMethod" xml:lang="en-US">Purchase of treasury shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TreasuryStockValueAcquiredCostMethod" xml:lang="en-US">Value of common stock repurchased</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:to="lab_LineOfCreditFacilityInterestRateAtPeriodEnd" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityInterestRateAtPeriodEnd" xml:lang="en-US">Line of Credit Facility, Interest Rate at Period End</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityInterestRateAtPeriodEnd" xml:lang="en-US">Applicable borrowing rate</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncrementalCommonSharesAttributableToStockOptionsAndRestrictedStockUnits" xlink:label="life_IncrementalCommonSharesAttributableToStockOptionsAndRestrictedStockUnits" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_IncrementalCommonSharesAttributableToStockOptionsAndRestrictedStockUnits" xlink:to="life_IncrementalCommonSharesAttributableToStockOptionsAndRestrictedStockUnits_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_IncrementalCommonSharesAttributableToStockOptionsAndRestrictedStockUnits_lbl" xml:lang="en-US">Incremental Common Shares Attributable to Stock Options and Restricted Stock Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IncrementalCommonSharesAttributableToStockOptionsAndRestrictedStockUnits_lbl" xml:lang="en-US">Dilutive stock options and restricted stock units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_IncrementalCommonSharesAttributableToStockOptionsAndRestrictedStockUnits_lbl" xml:lang="en-US">Incremental Common Shares Attributable To Stock Options And Restricted Stock Units.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfConvertibleDebt" xlink:label="us-gaap_RepaymentsOfConvertibleDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfConvertibleDebt" xlink:to="lab_RepaymentsOfConvertibleDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RepaymentsOfConvertibleDebt" xml:lang="en-US">Repayments of Convertible Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RepaymentsOfConvertibleDebt" xml:lang="en-US">Principal value of notes exercising conversion option</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueOffBalanceSheetRisksByFinancialInstrumentAxis" xlink:label="us-gaap_FairValueOffBalanceSheetRisksByFinancialInstrumentAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOffBalanceSheetRisksByFinancialInstrumentAxis" xlink:to="lab_FairValueOffBalanceSheetRisksByFinancialInstrumentAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueOffBalanceSheetRisksByFinancialInstrumentAxis" xml:lang="en-US">Fair Value, Off-balance Sheet Risks by Financial Instrument [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueOffBalanceSheetRisksFinancialInstrumentsDomain" xlink:label="us-gaap_FairValueOffBalanceSheetRisksFinancialInstrumentsDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOffBalanceSheetRisksFinancialInstrumentsDomain" xlink:to="lab_FairValueOffBalanceSheetRisksFinancialInstrumentsDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueOffBalanceSheetRisksFinancialInstrumentsDomain" xml:lang="en-US">Fair Value, Off-balance Sheet Risks, Financial Instruments [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" xlink:to="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets by Major Class [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="lab_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsByMajorClassAxis" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="lab_FiniteLivedIntangibleAssetsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsLineItems" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="lab_IndefiniteLivedIntangibleAssetsByMajorClassAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xml:lang="en-US">Indefinite-lived Intangible Assets by Major Class [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="lab_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xml:lang="en-US">Indefinite-lived Intangible Assets, Major Class Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="lab_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xml:lang="en-US">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="lab_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="us-gaap_CostOfSalesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfSalesMember" xlink:to="lab_CostOfSalesMember" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SalesGeneralAndAdministrativeMember" xlink:label="life_SalesGeneralAndAdministrativeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SalesGeneralAndAdministrativeMember" xlink:to="life_SalesGeneralAndAdministrativeMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SalesGeneralAndAdministrativeMember_lbl" xml:lang="en-US">Sales, general and administrative [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SalesGeneralAndAdministrativeMember_lbl" xml:lang="en-US">Sales, general and administrative [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SalesGeneralAndAdministrativeMember_lbl" xml:lang="en-US">Sales, general and administrative.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="lab_FairValueDisclosuresTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueDisclosuresTextBlock" xml:lang="en-US">FAIR VALUE OF FINANCIAL INSTRUMENTS</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:to="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xml:lang="en-US">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xml:lang="en-US">Activities of financial instruments liabilities with significant Level 3 inputs</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xml:lang="en-US">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xml:lang="en-US">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:to="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xml:lang="en-US">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xml:lang="en-US">Activities of financial instruments liabilities with significant Level 3 inputs</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:to="lab_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" xlink:to="lab_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" xml:lang="en-US">Total amount of unrealized losses for the period included in other comprehensive loss attributable to the change in fair market value of related liabilities still held at the reporting date</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ContingentConsiderationMember" xlink:label="life_ContingentConsiderationMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ContingentConsiderationMember" xlink:to="life_ContingentConsiderationMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ContingentConsiderationMember_lbl" xml:lang="en-US">Contingent Consideration [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ContingentConsiderationMember_lbl" xml:lang="en-US">Contingent Considerations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ContingentConsiderationMember_lbl" xml:lang="en-US">Contingent Consideration Member.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SeniorNotesThreeMember" xlink:label="life_SeniorNotesThreeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SeniorNotesThreeMember" xlink:to="life_SeniorNotesThreeMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SeniorNotesThreeMember_lbl" xml:lang="en-US">Senior Notes Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SeniorNotesThreeMember_lbl" xml:lang="en-US">3.500% Senior Notes (principal due 2016) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SeniorNotesThreeMember_lbl" xml:lang="en-US">Senior Notes Three.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SeniorNotesFourMember" xlink:label="life_SeniorNotesFourMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SeniorNotesFourMember" xlink:to="life_SeniorNotesFourMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SeniorNotesFourMember_lbl" xml:lang="en-US">Senior Notes Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SeniorNotesFourMember_lbl" xml:lang="en-US">5.000% Senior Notes (principal due 2021) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SeniorNotesFourMember_lbl" xml:lang="en-US">Senior Notes Four.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_FairValueOfFinancialInstrumentsTextualAbstract" xlink:label="life_FairValueOfFinancialInstrumentsTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_FairValueOfFinancialInstrumentsTextualAbstract" xlink:to="life_FairValueOfFinancialInstrumentsTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_FairValueOfFinancialInstrumentsTextualAbstract_lbl" xml:lang="en-US">Fair Value of Financial Instruments (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_FairValueOfFinancialInstrumentsTextualAbstract_lbl" xml:lang="en-US">Fair Value Of Financial Instruments (Textual) [Abstract].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_FairValueOfFinancialInstrumentsTextualAbstract_lbl" xml:lang="en-US">Fair Value of Financial Instruments (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IonTorrentMember" xlink:label="life_IonTorrentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_IonTorrentMember" xlink:to="life_IonTorrentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_IonTorrentMember_lbl" xml:lang="en-US">Ion Torrent [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IonTorrentMember_lbl" xml:lang="en-US">Ion Torrent [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_IonTorrentMember_lbl" xml:lang="en-US">Ion Torrent.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee" xlink:label="us-gaap_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee" xlink:to="lab_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInRiskManagementAssetsAndLiabilities" xlink:label="us-gaap_IncreaseDecreaseInRiskManagementAssetsAndLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInRiskManagementAssetsAndLiabilities" xlink:to="lab_IncreaseDecreaseInRiskManagementAssetsAndLiabilities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfEquityMethodInvestments" xlink:label="us-gaap_ProceedsFromSaleOfEquityMethodInvestments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfEquityMethodInvestments" xlink:to="lab_ProceedsFromSaleOfEquityMethodInvestments" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessAcquisitionUpfrontPaymentForAcquiredAllOutstandingEquityShares" xlink:label="life_BusinessAcquisitionUpfrontPaymentForAcquiredAllOutstandingEquityShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessAcquisitionUpfrontPaymentForAcquiredAllOutstandingEquityShares" xlink:to="life_BusinessAcquisitionUpfrontPaymentForAcquiredAllOutstandingEquityShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessAcquisitionUpfrontPaymentForAcquiredAllOutstandingEquityShares_lbl" xml:lang="en-US">Business acquisition upfront payment for acquired all outstanding equity shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessAcquisitionUpfrontPaymentForAcquiredAllOutstandingEquityShares_lbl" xml:lang="en-US">Business acquisition upfront payment for acquired all outstanding equity shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessAcquisitionUpfrontPaymentForAcquiredAllOutstandingEquityShares_lbl" xml:lang="en-US">Business acquisition upfront payment for acquired all outstanding equity shares</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue" xlink:label="us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue" xlink:to="lab_BusinessAcquisitionContingentConsiderationAtFairValue" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AdditionalAuthorizedAmountToRepurchaseOfCommonStockUnderProgram" xlink:label="life_AdditionalAuthorizedAmountToRepurchaseOfCommonStockUnderProgram" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AdditionalAuthorizedAmountToRepurchaseOfCommonStockUnderProgram" xlink:to="life_AdditionalAuthorizedAmountToRepurchaseOfCommonStockUnderProgram_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AdditionalAuthorizedAmountToRepurchaseOfCommonStockUnderProgram_lbl" xml:lang="en-US">Additional authorized amount to repurchase of common stock under program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AdditionalAuthorizedAmountToRepurchaseOfCommonStockUnderProgram_lbl" xml:lang="en-US">Additional authorized amount to repurchase of common stock under program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AdditionalAuthorizedAmountToRepurchaseOfCommonStockUnderProgram_lbl" xml:lang="en-US">Additional authorized amount to repurchase of common stock under program</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_RangeOfLetterOfCreditFees" xlink:label="life_RangeOfLetterOfCreditFees" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_RangeOfLetterOfCreditFees" xlink:to="life_RangeOfLetterOfCreditFees_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_RangeOfLetterOfCreditFees_lbl" xml:lang="en-US">Range of Letter of Credit Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_RangeOfLetterOfCreditFees_lbl" xml:lang="en-US">Range of letter of credit fees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_RangeOfLetterOfCreditFees_lbl" xml:lang="en-US">Range of letter of credit fees</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EurocurrencyBorrowingRate" xlink:label="life_EurocurrencyBorrowingRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EurocurrencyBorrowingRate" xlink:to="life_EurocurrencyBorrowingRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EurocurrencyBorrowingRate_lbl" xml:lang="en-US">Eurocurrency Borrowing Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EurocurrencyBorrowingRate_lbl" xml:lang="en-US">Eurocurrency borrowing rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EurocurrencyBorrowingRate_lbl" xml:lang="en-US">Eurocurrency borrowing rate</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PlanSixMember" xlink:label="life_PlanSixMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PlanSixMember" xlink:to="life_PlanSixMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PlanSixMember_lbl" xml:lang="en-US">Plan Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PlanSixMember_lbl" xml:lang="en-US">1999 ESPP Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PlanSixMember_lbl" xml:lang="en-US">Plan Six.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PlanSevenMember" xlink:label="life_PlanSevenMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PlanSevenMember" xlink:to="life_PlanSevenMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PlanSevenMember_lbl" xml:lang="en-US">Plan Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PlanSevenMember_lbl" xml:lang="en-US">2010 ESPP Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PlanSevenMember_lbl" xml:lang="en-US">Plan Seven.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessAcquisitionMilestoneEarnedAndPaid" xlink:label="life_BusinessAcquisitionMilestoneEarnedAndPaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessAcquisitionMilestoneEarnedAndPaid" xlink:to="life_BusinessAcquisitionMilestoneEarnedAndPaid_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessAcquisitionMilestoneEarnedAndPaid_lbl" xml:lang="en-US">Business Acquisition Milestone Earned and Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessAcquisitionMilestoneEarnedAndPaid_lbl" xml:lang="en-US">Business acquisition milestone earned and paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessAcquisitionMilestoneEarnedAndPaid_lbl" xml:lang="en-US">Business acquisition milestone earned and paid</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:label="us-gaap_LossContingencyEstimateOfPossibleLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:to="lab_LossContingencyEstimateOfPossibleLoss" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LossContingencyEstimateOfPossibleLoss" xml:lang="en-US">Loss Contingency, Estimate of Possible Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LossContingencyEstimateOfPossibleLoss" xml:lang="en-US">Contingent consideration liability</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperations" xlink:to="lab_IncomeLossFromContinuingOperations" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromContinuingOperations" xml:lang="en-US">Income (Loss) from Continuing Operations Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_IncomeLossFromContinuingOperations" xml:lang="en-US">Net income, as reported</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromContinuingOperations" xml:lang="en-US">Net income attributable to Life Technologies plus assumed conversions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromContinuingOperations" xml:lang="en-US">Net income attributable to Life Technologies plus assumed conversions</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessAcquisitionTimeAndTechnologyBasedMilestonePaymentAsFinancingArrangement" xlink:label="life_BusinessAcquisitionTimeAndTechnologyBasedMilestonePaymentAsFinancingArrangement" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessAcquisitionTimeAndTechnologyBasedMilestonePaymentAsFinancingArrangement" xlink:to="life_BusinessAcquisitionTimeAndTechnologyBasedMilestonePaymentAsFinancingArrangement_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessAcquisitionTimeAndTechnologyBasedMilestonePaymentAsFinancingArrangement_lbl" xml:lang="en-US">Business Acquisition Time and Technology Based Milestone Payment as Financing Arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessAcquisitionTimeAndTechnologyBasedMilestonePaymentAsFinancingArrangement_lbl" xml:lang="en-US">Business acquisition time and technology based milestone payment as financing arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessAcquisitionTimeAndTechnologyBasedMilestonePaymentAsFinancingArrangement_lbl" xml:lang="en-US">Business acquisition time and technology based milestone payment as financing arrangement.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_RepurchaseProgramJulyTwoThousandTenMember" xlink:label="life_RepurchaseProgramJulyTwoThousandTenMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_RepurchaseProgramJulyTwoThousandTenMember" xlink:to="life_RepurchaseProgramJulyTwoThousandTenMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_RepurchaseProgramJulyTwoThousandTenMember_lbl" xml:lang="en-US">Repurchase Program July Two Thousand Ten [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_RepurchaseProgramJulyTwoThousandTenMember_lbl" xml:lang="en-US">Repurchase Program July 2010 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_RepurchaseProgramJulyTwoThousandTenMember_lbl" xml:lang="en-US">Repurchase Program July Two Thousand Ten.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:to="lab_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xml:lang="en-US">Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xml:lang="en-US">Issuance of restricted shares, net of shares repurchased for minimum tax liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xml:lang="en-US">Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xml:lang="en-US">Issuance of restricted shares, net of repurchases for minimum tax liability</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ReductionInAmountOfDebtIssuanceCosts" xlink:label="life_ReductionInAmountOfDebtIssuanceCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ReductionInAmountOfDebtIssuanceCosts" xlink:to="life_ReductionInAmountOfDebtIssuanceCosts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ReductionInAmountOfDebtIssuanceCosts_lbl" xml:lang="en-US">Reduction in amount of the debt issuance costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ReductionInAmountOfDebtIssuanceCosts_lbl" xml:lang="en-US">Reduction in amount of the debt issuance costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ReductionInAmountOfDebtIssuanceCosts_lbl" xml:lang="en-US">Reduction in amount of the debt issuance costs</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="us-gaap_DerivativesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesPolicyTextBlock" xlink:to="lab_DerivativesPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativesPolicyTextBlock" xml:lang="en-US">Derivatives, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativesPolicyTextBlock" xml:lang="en-US">Adoption ASC Topic 815, and its impact</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="us-gaap_RestrictedStockMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="lab_RestrictedStockMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock" xlink:to="lab_InvestmentsInAndAdvancesToAffiliatesTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InvestmentsInAndAdvancesToAffiliatesTextBlock" xml:lang="en-US">Investments in and Advances to Affiliates [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InvestmentsInAndAdvancesToAffiliatesTextBlock" xml:lang="en-US">Investments consisted of the following</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xlink:label="us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xlink:to="lab_ScheduleOfEarningsPerShareDilutedByCommonClassTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xml:lang="en-US">Schedule of Earnings Per Share, Diluted, by Common Class [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareDilutedLineItems" xlink:label="us-gaap_EarningsPerShareDilutedLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDilutedLineItems" xlink:to="lab_EarningsPerShareDilutedLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareDilutedLineItems" xml:lang="en-US">Earnings Per Share, Diluted [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:label="us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsByMajorClassTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsByMajorClassTable" xlink:to="lab_ScheduleOfIndefiniteLivedIntangibleAssetsByMajorClassTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfIndefiniteLivedIntangibleAssetsByMajorClassTable" xml:lang="en-US">Schedule of Indefinite-lived Intangible Assets by Major Class [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="lab_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xml:lang="en-US">Indefinite-lived Intangible Assets by Major Class [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="us-gaap_LineOfCreditFacilityAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAxis" xlink:to="lab_LineOfCreditFacilityAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityAxis" xml:lang="en-US">Line of Credit Facility [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="lab_LineOfCreditFacilityLenderDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityLenderDomain" xml:lang="en-US">Line of Credit Facility, Lender [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" xml:lang="en-US">Value will be recognized</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DeferredStockAwardsAndRestrictedStockAwardsMember" xlink:label="life_DeferredStockAwardsAndRestrictedStockAwardsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DeferredStockAwardsAndRestrictedStockAwardsMember" xlink:to="life_DeferredStockAwardsAndRestrictedStockAwardsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DeferredStockAwardsAndRestrictedStockAwardsMember_lbl" xml:lang="en-US">Deferred Stock Awards and Restricted Stock Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DeferredStockAwardsAndRestrictedStockAwardsMember_lbl" xml:lang="en-US">Deferred Stock Awards and Restricted Stock Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DeferredStockAwardsAndRestrictedStockAwardsMember_lbl" xml:lang="en-US">Deferred Stock Awards and Restricted Stock Awards.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:to="lab_DeferredCompensationLiabilityClassifiedNoncurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredCompensationLiabilityClassifiedNoncurrent" xml:lang="en-US">Deferred Compensation Liability, Classified, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DeferredCompensationLiabilityClassifiedNoncurrent" xml:lang="en-US">Deferred Compensation Liability, Classified, Noncurrent, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredCompensationLiabilityClassifiedNoncurrent" xml:lang="en-US">Deferred compensation liability</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PlanFiveMember" xlink:label="life_PlanFiveMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PlanFiveMember" xlink:to="life_PlanFiveMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PlanFiveMember_lbl" xml:lang="en-US">Plan Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PlanFiveMember_lbl" xml:lang="en-US">Plan five.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PlanFiveMember_lbl" xml:lang="en-US">2004 ESPP Plan [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="us-gaap_TreasuryStockSharesAcquired" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockSharesAcquired" xlink:to="lab_TreasuryStockSharesAcquired" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="us-gaap_DebtInstrumentFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFairValue" xlink:to="lab_DebtInstrumentFairValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentFairValue" xml:lang="en-US">Debt Instrument, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentFairValue" xml:lang="en-US">Senior Notes</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SeniorUnsecuredNotesOfferedInFebruaryTwentyTenMember" xlink:label="life_SeniorUnsecuredNotesOfferedInFebruaryTwentyTenMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SeniorUnsecuredNotesOfferedInFebruaryTwentyTenMember" xlink:to="life_SeniorUnsecuredNotesOfferedInFebruaryTwentyTenMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SeniorUnsecuredNotesOfferedInFebruaryTwentyTenMember_lbl" xml:lang="en-US">Senior Unsecured Notes Offered In February Twenty Ten [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SeniorUnsecuredNotesOfferedInFebruaryTwentyTenMember_lbl" xml:lang="en-US">Senior Unsecured Notes Offered In February 2010 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SeniorUnsecuredNotesOfferedInFebruaryTwentyTenMember_lbl" xml:lang="en-US">Senior unsecured notes offered in February twenty ten.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SeniorUnsecuredNotesOfferedInDecemberTwentyTenMember" xlink:label="life_SeniorUnsecuredNotesOfferedInDecemberTwentyTenMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SeniorUnsecuredNotesOfferedInDecemberTwentyTenMember" xlink:to="life_SeniorUnsecuredNotesOfferedInDecemberTwentyTenMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SeniorUnsecuredNotesOfferedInDecemberTwentyTenMember_lbl" xml:lang="en-US">Senior Unsecured Notes Offered In December Twenty Ten [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SeniorUnsecuredNotesOfferedInDecemberTwentyTenMember_lbl" xml:lang="en-US">Senior Unsecured Notes Offered In December 2010 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SeniorUnsecuredNotesOfferedInDecemberTwentyTenMember_lbl" xml:lang="en-US">Senior unsecured notes offered in December twenty ten.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResearchAndDevelopmentInProcess" xlink:label="us-gaap_ResearchAndDevelopmentInProcess" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentInProcess" xlink:to="lab_ResearchAndDevelopmentInProcess" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ResearchAndDevelopmentInProcess" xml:lang="en-US">Research and Development in Process</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ResearchAndDevelopmentInProcess" xml:lang="en-US">Purchase of in-process research and development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ResearchAndDevelopmentInProcess" xml:lang="en-US">Purchased in-process research and development</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:to="lab_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xml:lang="en-US">Stock Issued During Period, Value, Conversion of Convertible Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xml:lang="en-US">Common stock issuances for convertible debt</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MovementInMinorityInterestRollForward" xlink:label="us-gaap_MovementInMinorityInterestRollForward" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MovementInMinorityInterestRollForward" xlink:to="lab_MovementInMinorityInterestRollForward" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MovementInMinorityInterestRollForward" xml:lang="en-US">Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MovementInMinorityInterestRollForward" xml:lang="en-US">Effects of changes in the Company's ownership interest in its subsidiaries</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DecreaseInParentCompaniesPaidInCapitalForPurchasesOfSubsidiariesShares" xlink:label="life_DecreaseInParentCompaniesPaidInCapitalForPurchasesOfSubsidiariesShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DecreaseInParentCompaniesPaidInCapitalForPurchasesOfSubsidiariesShares" xlink:to="life_DecreaseInParentCompaniesPaidInCapitalForPurchasesOfSubsidiariesShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DecreaseInParentCompaniesPaidInCapitalForPurchasesOfSubsidiariesShares_lbl" xml:lang="en-US">Decrease in Parent Companies Paid in Capital for Purchases of Subsidiaries Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="life_DecreaseInParentCompaniesPaidInCapitalForPurchasesOfSubsidiariesShares_lbl" xml:lang="en-US">Decrease in Life Technologies' paid-in capital for purchases of subsidiaries' shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DecreaseInParentCompaniesPaidInCapitalForPurchasesOfSubsidiariesShares_lbl" xml:lang="en-US">Decrease in Parent Companies paid in capital for purchases of subsidiaries shares.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_LettersOfCreditOutstandingToSupportLiabilitiesAssociatedWithCompanysSelfInsuredWorkersCompensationProgramsMember" xlink:label="life_LettersOfCreditOutstandingToSupportLiabilitiesAssociatedWithCompanysSelfInsuredWorkersCompensationProgramsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_LettersOfCreditOutstandingToSupportLiabilitiesAssociatedWithCompanysSelfInsuredWorkersCompensationProgramsMember" xlink:to="life_LettersOfCreditOutstandingToSupportLiabilitiesAssociatedWithCompanysSelfInsuredWorkersCompensationProgramsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_LettersOfCreditOutstandingToSupportLiabilitiesAssociatedWithCompanysSelfInsuredWorkersCompensationProgramsMember_lbl" xml:lang="en-US">Letters of Credit Outstanding to Support Liabilities Associated With Company's Self Insured Workers Compensation Programs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_LettersOfCreditOutstandingToSupportLiabilitiesAssociatedWithCompanysSelfInsuredWorkersCompensationProgramsMember_lbl" xml:lang="en-US">Letters of credit outstanding to support liabilities associated with the company's self insured worker's compensation programs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_LettersOfCreditOutstandingToSupportLiabilitiesAssociatedWithCompanysSelfInsuredWorkersCompensationProgramsMember_lbl" xml:lang="en-US">Letters of credit outstanding to support liabilities associated with the Company's self-insured worker's compensation programs.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PercentageAssessedProbabilityOfOccurrence" xlink:label="life_PercentageAssessedProbabilityOfOccurrence" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PercentageAssessedProbabilityOfOccurrence" xlink:to="life_PercentageAssessedProbabilityOfOccurrence_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PercentageAssessedProbabilityOfOccurrence_lbl" xml:lang="en-US">Percentage Assessed Probability of Occurrence</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PercentageAssessedProbabilityOfOccurrence_lbl" xml:lang="en-US">Percentage assessed probability of occurrence</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PercentageAssessedProbabilityOfOccurrence_lbl" xml:lang="en-US">Percentage assessed probability of occurrence.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_TermLoanTwoMember" xlink:label="life_TermLoanTwoMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_TermLoanTwoMember" xlink:to="life_TermLoanTwoMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_TermLoanTwoMember_lbl" xml:lang="en-US">Term Loan Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_TermLoanTwoMember_lbl" xml:lang="en-US">Term Loan B [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_TermLoanTwoMember_lbl" xml:lang="en-US">Term Loan B.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentDecreaseRepayments" xlink:label="us-gaap_DebtInstrumentDecreaseRepayments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentDecreaseRepayments" xlink:to="lab_DebtInstrumentDecreaseRepayments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentDecreaseRepayments" xml:lang="en-US">Debt Instrument, Decrease, Repayments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentDecreaseRepayments" xml:lang="en-US">Repayment of outstanding term loan</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:to="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xml:lang="en-US">Minimum Interest rates on term loan</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:to="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Maximum Interest rates on term loan</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateTerms" xlink:label="us-gaap_DebtInstrumentInterestRateTerms" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateTerms" xlink:to="lab_DebtInstrumentInterestRateTerms" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateTerms" xml:lang="en-US">Debt Instrument, Interest Rate Terms</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateTerms" xml:lang="en-US">Basis of Interest rate</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="lab_IncomeTaxPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxPolicyTextBlock" xml:lang="en-US">Income Tax, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxPolicyTextBlock" xml:lang="en-US">Income Taxes</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_TermLoanMember" xlink:label="life_TermLoanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_TermLoanMember" xlink:to="life_TermLoanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_TermLoanMember_lbl" xml:lang="en-US">Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_TermLoanMember_lbl" xml:lang="en-US">Term Loan A and B [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_TermLoanMember_lbl" xml:lang="en-US">Term loans A and B.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xlink:label="us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xlink:to="lab_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xml:lang="en-US">Business Combinations and Other Purchase of Business Transactions, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xml:lang="en-US">Adoption of ASC Topic 805, Business Combinations</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AdoptionOfAscTopicFourHundredSixtyGuaranteesPolicyTextBlock" xlink:label="life_AdoptionOfAscTopicFourHundredSixtyGuaranteesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AdoptionOfAscTopicFourHundredSixtyGuaranteesPolicyTextBlock" xlink:to="life_AdoptionOfAscTopicFourHundredSixtyGuaranteesPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AdoptionOfAscTopicFourHundredSixtyGuaranteesPolicyTextBlock_lbl" xml:lang="en-US">Adoption of ASC Topic Four Hundred Sixty Guarantees [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AdoptionOfAscTopicFourHundredSixtyGuaranteesPolicyTextBlock_lbl" xml:lang="en-US">Adoption of ASC Topic 460, Guarantees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AdoptionOfAscTopicFourHundredSixtyGuaranteesPolicyTextBlock_lbl" xml:lang="en-US">Adoption of ASC Topic 460, Guarantees.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_GrantDateDeferredCompensationValue" xlink:label="life_GrantDateDeferredCompensationValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_GrantDateDeferredCompensationValue" xlink:to="life_GrantDateDeferredCompensationValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_GrantDateDeferredCompensationValue_lbl" xml:lang="en-US">Grant Date Deferred Compensation Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_GrantDateDeferredCompensationValue_lbl" xml:lang="en-US">Restricted stock awards with deferred compensation value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_GrantDateDeferredCompensationValue_lbl" xml:lang="en-US">Grant date deferred compensation value.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="lab_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="lab_FairValueByFairValueHierarchyLevelAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueByFairValueHierarchyLevelAxis" xml:lang="en-US">Fair Value, Hierarchy [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="lab_FairValueMeasurementsFairValueHierarchyDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueMeasurementsFairValueHierarchyDomain" xml:lang="en-US">Fair Value, Measurements, Fair Value Hierarchy [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativeInstrumentRiskAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentRiskAxis" xlink:to="lab_DerivativeInstrumentRiskAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentRiskAxis" xml:lang="en-US">Derivative Instrument Risk [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:to="lab_DebtInstrumentConvertibleConversionPrice1" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentConvertibleConversionPrice1" xml:lang="en-US">Debt Instrument, Convertible, Conversion Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentConvertibleConversionPrice1" xml:lang="en-US">Conversion value</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="lab_PropertyPlantAndEquipmentTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US">Property, Plant and Equipment [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US">Schedule of property plant and equipment</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_CliffVestingTermOfRestrictedStockUnitsMaximum" xlink:label="life_CliffVestingTermOfRestrictedStockUnitsMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_CliffVestingTermOfRestrictedStockUnitsMaximum" xlink:to="life_CliffVestingTermOfRestrictedStockUnitsMaximum_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_CliffVestingTermOfRestrictedStockUnitsMaximum_lbl" xml:lang="en-US">Cliff Vesting Term of Restricted Stock Units Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_CliffVestingTermOfRestrictedStockUnitsMaximum_lbl" xml:lang="en-US">Cliff vesting term of restricted stock units, maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_CliffVestingTermOfRestrictedStockUnitsMaximum_lbl" xml:lang="en-US">Cliff vesting term of restricted stock units, maximum.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_VestingTermOfRestrictedStockUnitsGeneralMaximum" xlink:label="life_VestingTermOfRestrictedStockUnitsGeneralMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_VestingTermOfRestrictedStockUnitsGeneralMaximum" xlink:to="life_VestingTermOfRestrictedStockUnitsGeneralMaximum_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_VestingTermOfRestrictedStockUnitsGeneralMaximum_lbl" xml:lang="en-US">Vesting Term of Restricted Stock Units General Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_VestingTermOfRestrictedStockUnitsGeneralMaximum_lbl" xml:lang="en-US">Vesting term of restricted stock units, general maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_VestingTermOfRestrictedStockUnitsGeneralMaximum_lbl" xml:lang="en-US">Vesting term of restricted stock units general maximum.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EstimatedAnnualPreVestingOptionForfeitureRateRestrictedStockUnits" xlink:label="life_EstimatedAnnualPreVestingOptionForfeitureRateRestrictedStockUnits" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EstimatedAnnualPreVestingOptionForfeitureRateRestrictedStockUnits_lbl" xml:lang="en-US">Estimated Annual Pre Vesting Option Forfeiture Rate Restricted Stock Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EstimatedAnnualPreVestingOptionForfeitureRateRestrictedStockUnits_lbl" xml:lang="en-US">Estimated annual pre vesting option forfeiture rate, graded vesting restricted stock units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EstimatedAnnualPreVestingOptionForfeitureRateRestrictedStockUnits_lbl" xml:lang="en-US">Estimated annual pre vesting option forfeiture rate restricted stock units.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LetterOfCreditMember" xml:lang="en-US">Letter of Credit [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LetterOfCreditMember" xml:lang="en-US">Letter of Credit [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesGross" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesGross" xml:lang="en-US">Environmental reserves, not discounted (approx)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember" xml:lang="en-US">Domestic Pension Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember" xml:lang="en-US">Domestic Pension Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnitedStatesPostretirementBenefitPlansOfUSEntityDefinedBenefitMember" xml:lang="en-US">Postretirement Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_UnitedStatesPostretirementBenefitPlansOfUSEntityDefinedBenefitMember" xml:lang="en-US">Postretirement Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ForeignPensionPlansDefinedBenefitMember" xml:lang="en-US">Foreign Pension Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ForeignPensionPlansDefinedBenefitMember" xml:lang="en-US">Foreign Pension Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanExpectedReturnOnPlanAssets" xml:lang="en-US">Defined Benefit Plan, Expected Return on Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_DefinedBenefitPlanExpectedReturnOnPlanAssets" xml:lang="en-US">Expected return on plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAmortizationOfGainsLosses" xml:lang="en-US">Defined Benefit Plan, Amortization of Gains (Losses)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_DefinedBenefitPlanAmortizationOfGainsLosses" xml:lang="en-US">Amortization of actuarial loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BankTimeDepositsMember" xml:lang="en-US">Bank time deposits [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BankTimeDepositsMember" xml:lang="en-US">Bank time deposits [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquitySecuritiesMember" xml:lang="en-US">Equity securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquitySecuritiesMember" xml:lang="en-US">Equity securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_Investments" xml:lang="en-US">Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_Investments" xml:lang="en-US">Total investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US">Allowance for doubtful accounts</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="us-gaap_AssetsFairValueDisclosure" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsFairValueDisclosure" xlink:to="lab_AssetsFairValueDisclosure" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetsFairValueDisclosure" xml:lang="en-US">Assets, Fair Value Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetsFairValueDisclosure" xml:lang="en-US">Total assets</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="us-gaap_LiabilitiesFairValueDisclosure" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesFairValueDisclosure" xlink:to="lab_LiabilitiesFairValueDisclosure" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LiabilitiesFairValueDisclosure" xml:lang="en-US">Liabilities, Fair Value Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LiabilitiesFairValueDisclosure" xml:lang="en-US">Total liabilities</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="lab_FairValueByMeasurementFrequencyAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueByMeasurementFrequencyAxis" xml:lang="en-US">Fair Value by Measurement Frequency [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="lab_FairValueMeasurementFrequencyDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueMeasurementFrequencyDomain" xml:lang="en-US">Fair Value, Measurement Frequency [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="us-gaap_FairValueMeasurementsRecurringMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsRecurringMember" xlink:to="lab_FairValueMeasurementsRecurringMember" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:to="lab_DebtInstrumentDescriptionOfVariableRateBasis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentDescriptionOfVariableRateBasis" xml:lang="en-US">Debt Instrument, Description of Variable Rate Basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentDescriptionOfVariableRateBasis" xml:lang="en-US">Base rate borrowing rate</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:to="lab_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_FairValueAndCarryingAmountsOfCompanysLongTermDebtObligationsTableTextBlock_lbl" xml:lang="en-US">Fair value and carrying amounts of the Company's long-term debt obligations.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareReconciliationTableTextBlock" xlink:label="us-gaap_ScheduleOfEarningsPerShareReconciliationTableTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CostOfSalesMember" xml:lang="en-US">Cost of revenues [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CostOfSalesMember" xml:lang="en-US">Cost of revenues [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SoftwareMember" xml:lang="en-US">Internal use software [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CustomerListsMember" xml:lang="en-US">Purchased customer base [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ForwardContractsMember" xml:lang="en-US">Forward exchange contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DesignatedAsHedgingInstrumentMember" xml:lang="en-US">Designated as Hedging Instrument [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DesignatedAsHedgingInstrumentMember" xml:lang="en-US">Designated as Hedging Instrument [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NondesignatedMember" xml:lang="en-US">Not Designated as Hedging Instrument [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NondesignatedMember" xml:lang="en-US">Not Designated as Hedging Instrument [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashFlowHedgingMember" xml:lang="en-US">Cash Flow Hedging [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashFlowHedgingMember" xml:lang="en-US">Cash Flow Hedging [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestRateSwapMember" xml:lang="en-US">Interest rate swap contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestRateSwapMember" xml:lang="en-US">Interest rate swap contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PortionAtFairValueFairValueDisclosureMember" xml:lang="en-US">Fair Value [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PortionAtFairValueFairValueDisclosureMember" xml:lang="en-US">Fair Value [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CarryingReportedAmountFairValueDisclosureMember" xml:lang="en-US">Carrying Amounts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CarryingReportedAmountFairValueDisclosureMember" xml:lang="en-US">Carrying Amounts [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PrincipalValueOfRemainingNotesSettled" xlink:label="life_PrincipalValueOfRemainingNotesSettled" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PrincipalValueOfRemainingNotesSettled" xlink:to="life_PrincipalValueOfRemainingNotesSettled_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PrincipalValueOfRemainingNotesSettled_lbl" xml:lang="en-US">Principal Value of Remaining Notes Settled</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PrincipalValueOfRemainingNotesSettled_lbl" xml:lang="en-US">Principal value of remaining notes settled</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PrincipalValueOfRemainingNotesSettled_lbl" xml:lang="en-US">Principal value of remaining convertible 3.25 % and 2% notes settled.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DebtInstrumentRedemptionRate" xlink:label="life_DebtInstrumentRedemptionRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DebtInstrumentRedemptionRate" xlink:to="life_DebtInstrumentRedemptionRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DebtInstrumentRedemptionRate_lbl" xml:lang="en-US">Debt Instrument Redemption Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DebtInstrumentRedemptionRate_lbl" xml:lang="en-US">Percentage of principal amount notes redeemed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DebtInstrumentRedemptionRate_lbl" xml:lang="en-US">Debt instrument redemption rate.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumMember" xlink:to="lab_MaximumMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MaximumMember" xml:lang="en-US">Maximum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MaximumMember" xml:lang="en-US">Maximum [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumMember" xlink:to="lab_MinimumMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MinimumMember" xml:lang="en-US">Minimum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MinimumMember" xml:lang="en-US">Minimum [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:to="lab_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeAxis" xlink:to="lab_RangeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RangeAxis" xml:lang="en-US">Range [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeMember" xlink:to="lab_RangeMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RangeMember" xml:lang="en-US">Range [Domain]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DebtInstrumentBasisSpreadOnVariableRedemptionRate" xlink:label="life_DebtInstrumentBasisSpreadOnVariableRedemptionRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DebtInstrumentBasisSpreadOnVariableRedemptionRate" xlink:to="life_DebtInstrumentBasisSpreadOnVariableRedemptionRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DebtInstrumentBasisSpreadOnVariableRedemptionRate_lbl" xml:lang="en-US">Debt Instrument Basis Spread on Variable Redemption Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DebtInstrumentBasisSpreadOnVariableRedemptionRate_lbl" xml:lang="en-US">Redemption rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DebtInstrumentBasisSpreadOnVariableRedemptionRate_lbl" xml:lang="en-US">Debt instrument basis spread on variable redemption rate.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PurchaseRateOfSeniorNotesPrincipalInCaseOfChangeInControl" xlink:label="life_PurchaseRateOfSeniorNotesPrincipalInCaseOfChangeInControl" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PurchaseRateOfSeniorNotesPrincipalInCaseOfChangeInControl" xlink:to="life_PurchaseRateOfSeniorNotesPrincipalInCaseOfChangeInControl_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PurchaseRateOfSeniorNotesPrincipalInCaseOfChangeInControl_lbl" xml:lang="en-US">Purchase Rate of Senior Notes Principal in Case of Change in Control</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PurchaseRateOfSeniorNotesPrincipalInCaseOfChangeInControl_lbl" xml:lang="en-US">Percentage of principal amount for purchase outstanding senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PurchaseRateOfSeniorNotesPrincipalInCaseOfChangeInControl_lbl" xml:lang="en-US">Purchase rate of senior notes principal in case of change in control.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:to="lab_DebtInstrumentBasisSpreadOnVariableRate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentBasisSpreadOnVariableRate" xml:lang="en-US">Range of borrowing rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentBasisSpreadOnVariableRate" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BaseRateBorrowingsMember" xlink:label="life_BaseRateBorrowingsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BaseRateBorrowingsMember" xlink:to="life_BaseRateBorrowingsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BaseRateBorrowingsMember_lbl" xml:lang="en-US">Base Rate Borrowings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BaseRateBorrowingsMember_lbl" xml:lang="en-US">Base rate borrowings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BaseRateBorrowingsMember_lbl" xml:lang="en-US">Base rate borrowings.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EurocurrencyBorrowingsMember" xlink:label="life_EurocurrencyBorrowingsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EurocurrencyBorrowingsMember" xlink:to="life_EurocurrencyBorrowingsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EurocurrencyBorrowingsMember_lbl" xml:lang="en-US">Eurocurrency Borrowings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EurocurrencyBorrowingsMember_lbl" xml:lang="en-US">Eurocurrency borrowings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EurocurrencyBorrowingsMember_lbl" xml:lang="en-US">Eurocurrency Borrowings [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_VariableRateBasisAxis" xlink:label="life_VariableRateBasisAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_VariableRateBasisAxis" xlink:to="life_VariableRateBasisAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_VariableRateBasisAxis_lbl" xml:lang="en-US">Variable Rate Basis [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_VariableRateBasisAxis_lbl" xml:lang="en-US">Variable rate basis.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_VariableRateBasisDomain" xlink:label="life_VariableRateBasisDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_VariableRateBasisDomain" xlink:to="life_VariableRateBasisDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_VariableRateBasisDomain_lbl" xml:lang="en-US">Variable Rate Basis [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_VariableRateBasisDomain_lbl" xml:lang="en-US">Variable rate basis.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_FederalFundsRateMember" xlink:label="life_FederalFundsRateMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_FederalFundsRateMember" xlink:to="life_FederalFundsRateMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_FederalFundsRateMember_lbl" xml:lang="en-US">Federal Funds Rate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_FederalFundsRateMember_lbl" xml:lang="en-US">Federal funds rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_FederalFundsRateMember_lbl" xml:lang="en-US">Federal Funds Rate [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentHoldingsTable" xlink:label="us-gaap_InvestmentHoldingsTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentHoldingsTable" xlink:to="lab_InvestmentHoldingsTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InvestmentHoldingsTable" xml:lang="en-US">Investment Holdings [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2011/invest-2011-01-31.xsd#invest_InvestmentHoldingAxis" xlink:label="invest_InvestmentHoldingAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="invest_InvestmentHoldingAxis" xlink:to="label_InvestmentHoldingAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="label_InvestmentHoldingAxis" xml:lang="en-US">Investment Holding [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2011/invest-2011-01-31.xsd#invest_InvestmentHoldingDomain" xlink:label="invest_InvestmentHoldingDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="invest_InvestmentHoldingDomain" xlink:to="label_InvestmentHoldingDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="label_InvestmentHoldingDomain" xml:lang="en-US">Investment Holding [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentHoldingsLineItems" xlink:label="us-gaap_InvestmentHoldingsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentHoldingsLineItems" xlink:to="lab_InvestmentHoldingsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InvestmentHoldingsLineItems" xml:lang="en-US">Investment Holdings [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xml:lang="en-US">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xml:lang="en-US">Commitment fee for letters of credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Line of Credit Facility, Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Letters of credit, amount outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Line of credit remaining borrowing capacity</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="us-gaap_FairValueByLiabilityClassAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByLiabilityClassAxis" xlink:to="lab_FairValueByLiabilityClassAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueByLiabilityClassAxis" xml:lang="en-US">Fair Value by Liability Class [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:to="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xml:lang="en-US">Fair Value, Liabilities, Measured on Recurring Basis, Unobservable Input Reconciliation, by Liability Class [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xml:lang="en-US">Incremental Common Shares Attributable to Share-based Payment Arrangements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xml:lang="en-US">Incremental Common Shares Attributable to Share-based Payment Arrangements, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xml:lang="en-US">Employee Stock Purchase Plan, shares</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_InProcessResearchAndDevelopmentMember" xlink:label="life_InProcessResearchAndDevelopmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_InProcessResearchAndDevelopmentMember" xlink:to="life_InProcessResearchAndDevelopmentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_InProcessResearchAndDevelopmentMember_lbl" xml:lang="en-US">In Process Research and Development [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_InProcessResearchAndDevelopmentMember_lbl" xml:lang="en-US">In-process research and development [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_InProcessResearchAndDevelopmentMember_lbl" xml:lang="en-US">In-process research and development.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShortTermInvestments" xml:lang="en-US">Short-term Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ShortTermInvestments" xml:lang="en-US">Total Short-term investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShortTermInvestments" xml:lang="en-US">Short-term investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeFinancialInstrumentsAssetsMember" xml:lang="en-US">Assets-derivative forward exchange contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeFinancialInstrumentsAssetsMember" xml:lang="en-US">Assets-derivative forward exchange contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CostMethodInvestmentsAggregateCarryingAmount" xml:lang="en-US">Cost-method Investments, Aggregate Carrying Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CostMethodInvestmentsAggregateCarryingAmount" xml:lang="en-US">Long-term investments in equity securities</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AdoptionOfAscTopicFourSevenZeroTwoZeroAndItsImpactPolicyTextBlock" xlink:label="life_AdoptionOfAscTopicFourSevenZeroTwoZeroAndItsImpactPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AdoptionOfAscTopicFourSevenZeroTwoZeroAndItsImpactPolicyTextBlock" xlink:to="life_AdoptionOfAscTopicFourSevenZeroTwoZeroAndItsImpactPolicyTextBlock_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToResearchAndDevelopmentExpense_lbl" xml:lang="en-US">Adjustment to research and development expense</label>
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToInterestExpense" xlink:label="life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToInterestExpense" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToInterestExpense_lbl" xml:lang="en-US">Interest expense related to milestone consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToInterestExpense_lbl" xml:lang="en-US">Business acquisition technological milestone consideration adjustment to interest expense.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessAcquisitionMilestoneConsiderationDeferredPostAcquisitionCompensation" xlink:label="life_BusinessAcquisitionMilestoneConsiderationDeferredPostAcquisitionCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessAcquisitionMilestoneConsiderationDeferredPostAcquisitionCompensation" xlink:to="life_BusinessAcquisitionMilestoneConsiderationDeferredPostAcquisitionCompensation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessAcquisitionMilestoneConsiderationDeferredPostAcquisitionCompensation_lbl" xml:lang="en-US">Business Acquisition Milestone Consideration Deferred Post Acquisition Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessAcquisitionMilestoneConsiderationDeferredPostAcquisitionCompensation_lbl" xml:lang="en-US">Post-acquisition compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessAcquisitionMilestoneConsiderationDeferredPostAcquisitionCompensation_lbl" xml:lang="en-US">Business acquisition milestone consideration deferred post acquisition compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_CurrencyImpactOnIntercompanySettlements" xlink:label="life_CurrencyImpactOnIntercompanySettlements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_CurrencyImpactOnIntercompanySettlements" xlink:to="life_CurrencyImpactOnIntercompanySettlements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_CurrencyImpactOnIntercompanySettlements_lbl" xml:lang="en-US">Currency Impact on Intercompany Settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="life_CurrencyImpactOnIntercompanySettlements_lbl" xml:lang="en-US">Other non-cash adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_CurrencyImpactOnIntercompanySettlements_lbl" xml:lang="en-US">Currency impact on intercompany settlements.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessCombinationContingentConsiderationArrangementsFairValueAdjustmentsToContingentConsiderationLiability" xlink:label="life_BusinessCombinationContingentConsiderationArrangementsFairValueAdjustmentsToContingentConsiderationLiability" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessCombinationContingentConsiderationArrangementsFairValueAdjustmentsToContingentConsiderationLiability" xlink:to="life_BusinessCombinationContingentConsiderationArrangementsFairValueAdjustmentsToContingentConsiderationLiability_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessCombinationContingentConsiderationArrangementsFairValueAdjustmentsToContingentConsiderationLiability_lbl" xml:lang="en-US">Business Combination Contingent Consideration Arrangements Fair Value Adjustments to Contingent Consideration Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="life_BusinessCombinationContingentConsiderationArrangementsFairValueAdjustmentsToContingentConsiderationLiability_lbl" xml:lang="en-US">Fair value adjustment to the Company's contingent consideration liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessCombinationContingentConsiderationArrangementsFairValueAdjustmentsToContingentConsiderationLiability_lbl" xml:lang="en-US">Contingent consideration related to reduction to cost of revenues for fair value adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessCombinationContingentConsiderationArrangementsFairValueAdjustmentsToContingentConsiderationLiability_lbl" xml:lang="en-US">Contingent consideration liabilities related to earnings against research and development expense.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EstimatedAnnualPreVestingOptionForfeitureRateCliffVestingRestrictedStockUnits" xlink:label="life_EstimatedAnnualPreVestingOptionForfeitureRateCliffVestingRestrictedStockUnits" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EstimatedAnnualPreVestingOptionForfeitureRateCliffVestingRestrictedStockUnits" xlink:to="life_EstimatedAnnualPreVestingOptionForfeitureRateCliffVestingRestrictedStockUnits_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EstimatedAnnualPreVestingOptionForfeitureRateCliffVestingRestrictedStockUnits_lbl" xml:lang="en-US">Estimated Annual Pre Vesting Option Forfeiture Rate Cliff Vesting Restricted Stock Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EstimatedAnnualPreVestingOptionForfeitureRateCliffVestingRestrictedStockUnits_lbl" xml:lang="en-US">Estimated annual pre vesting option forfeiture rate cliff vesting RSUs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EstimatedAnnualPreVestingOptionForfeitureRateCliffVestingRestrictedStockUnits_lbl" xml:lang="en-US">Estimated annual pre vesting option forfeiture rate Cliff vesting restricted stock units.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestExpenseDebt" xml:lang="en-US">Interest Expense, Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_InterestExpenseDebt" xml:lang="en-US">Interest Expense, Debt, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestExpenseDebt" xml:lang="en-US">Aggregate Interest Expense on Term Loans, net of hedging transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AmortizationOfDebtDiscountPremium" xml:lang="en-US">Amortization of Debt Discount (Premium)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_AmortizationOfDebtDiscountPremium" xml:lang="en-US">Amortization of discount on liability component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AmortizationOfDebtDiscountPremium" xml:lang="en-US">Debt discount amortization and other non-cash expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInRiskManagementAssetsAndLiabilities" xml:lang="en-US">Increase (Decrease) in Risk Management Assets and Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_IncreaseDecreaseInRiskManagementAssetsAndLiabilities" xml:lang="en-US">Currency impact on intercompany settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xml:lang="en-US">Share-based compensation cost reversed due to adjustments in restricted stock units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ConvertibleNotesPayable" xml:lang="en-US">Convertible Notes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ConvertibleNotesPayable" xml:lang="en-US">Senior Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ConvertibleNotesPayable" xml:lang="en-US">Senior Convertible Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditMember" xml:lang="en-US">Letter of Credit Issued [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditMember" xml:lang="en-US">Letter of Credit Issued [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ForeignExchangeContractMember" xml:lang="en-US">Foreign Exchange Contract [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ForeignExchangeContractMember" xml:lang="en-US">Foreign Exchange Contracts [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToFinancingArrangements" xlink:label="life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToFinancingArrangements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToFinancingArrangements" xlink:to="life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToFinancingArrangements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToFinancingArrangements_lbl" xml:lang="en-US">Business Acquisition Technological Milestone Consideration Adjustment to Financing Arrangements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToFinancingArrangements_lbl" xml:lang="en-US">Milestone consideration considered as an imputed finance charge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessAcquisitionTechnologicalMilestoneConsiderationAdjustmentToFinancingArrangements_lbl" xml:lang="en-US">Business acquisition technological milestone consideration adjustment to financing arrangements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate" xml:lang="en-US">Discounted price equal to the lower of the employee's offering price or the closing price of the stock on the date of purchase</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate" xml:lang="en-US">Maximum Percentage of compensation to purchase shares of the Company's stock on a quarterly basis at a discounted price</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfShortTermInvestments" xlink:label="us-gaap_ProceedsFromSaleOfShortTermInvestments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfShortTermInvestments" xlink:to="lab_ProceedsFromSaleOfShortTermInvestments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromSaleOfShortTermInvestments" xml:lang="en-US">Proceeds from sale of investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromSaleOfShortTermInvestments" xml:lang="en-US">Proceeds from Sale of Short-term Investments</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:to="lab_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xml:lang="en-US">Proceeds from Divestiture of Businesses, Net of Cash Divested</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xml:lang="en-US">Proceeds from Divestiture of Businesses, Net of Cash Divested, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xml:lang="en-US">Proceeds from asset divestiture</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="lab_ProceedsFromSaleOfPropertyPlantAndEquipment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromSaleOfPropertyPlantAndEquipment" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ProceedsFromSaleOfPropertyPlantAndEquipment" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromSaleOfPropertyPlantAndEquipment" xml:lang="en-US">Proceeds from sale of property and equipment</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfShortTermDebt" xlink:label="us-gaap_RepaymentsOfShortTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfShortTermDebt" xlink:to="lab_RepaymentsOfShortTermDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RepaymentsOfShortTermDebt" xml:lang="en-US">Repayments of Short-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_RepaymentsOfShortTermDebt" xml:lang="en-US">Principal payments on short-term obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_RepaymentsOfShortTermDebt" xml:lang="en-US">Repayments of Short-term Debt, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RepaymentsOfShortTermDebt" xml:lang="en-US">Principal payments on short-term obligations</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromShortTermDebt" xlink:label="us-gaap_ProceedsFromShortTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromShortTermDebt" xlink:to="lab_ProceedsFromShortTermDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromShortTermDebt" xml:lang="en-US">Proceeds from Short-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ProceedsFromShortTermDebt" xml:lang="en-US">Proceeds from Short-term Debt, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromShortTermDebt" xml:lang="en-US">Proceeds from short-term obligations</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="lab_SharesIssued" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:to="lab_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xml:lang="en-US">Unrealized loss on cash flow hedges, net of deferred taxes</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PurchaseOfSubsidiariesShares" xlink:label="life_PurchaseOfSubsidiariesShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PurchaseOfSubsidiariesShares" xlink:to="life_PurchaseOfSubsidiariesShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PurchaseOfSubsidiariesShares_lbl" xml:lang="en-US">Purchase of Subsidiaries Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="life_PurchaseOfSubsidiariesShares_lbl" xml:lang="en-US">Purchase of subsidiaries shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PurchaseOfSubsidiariesShares_lbl" xml:lang="en-US">Purchase of subsidiaries shares.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:to="lab_StockIssuedDuringPeriodSharesAcquisitions" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodSharesAcquisitions" xml:lang="en-US">Common stock issuances for business combination, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodSharesAcquisitions" xml:lang="en-US">Stock Issued During Period, Shares, Acquisitions</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:to="lab_StockIssuedDuringPeriodSharesShareBasedCompensation" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:to="lab_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="lab_StatementOfStockholdersEquityAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementOfStockholdersEquityAbstract" xml:lang="en-US">Consolidated Statement of Stockholders' Equity and Comprehensive Income [Abstract]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAbstract" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAbstract" xlink:to="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAbstract_lbl" xml:lang="en-US">Business Activity Summary of Significant Accounting Policies and Significant Accounts [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAbstract_lbl" xml:lang="en-US">Business Activity, Summary Of Significant Accounting Policies And Significant Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAbstract_lbl" xml:lang="en-US">Business activity, summary of significant accounting policies and significant accounts.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="lab_SegmentReportingDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingDisclosureTextBlock" xml:lang="en-US">Segment Reporting Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingDisclosureTextBlock" xml:lang="en-US">GEOGRAPHIC INFORMATION</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityAbstract" xlink:label="us-gaap_LineOfCreditFacilityAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAbstract" xlink:to="us-gaap_LineOfCreditFacilityAbstract_lbl" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="lab_StockholdersEquityNoteDisclosureTextBlock" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="lab_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:label="us-gaap_CashFlowSupplementalDisclosuresTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:to="lab_CashFlowSupplementalDisclosuresTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashFlowSupplementalDisclosuresTextBlock" xml:lang="en-US">Cash Flow, Supplemental Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashFlowSupplementalDisclosuresTextBlock" xml:lang="en-US">SUPPLEMENTAL CASH FLOW INFORMATION</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialInformationTextBlock" xlink:to="lab_QuarterlyFinancialInformationTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_QuarterlyFinancialInformationTextBlock" xml:lang="en-US">Quarterly Financial Information [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_QuarterlyFinancialInformationTextBlock" xml:lang="en-US">QUARTERLY FINANCIAL DATA</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessActivityPolicyTextBlock" xlink:label="life_BusinessActivityPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessActivityPolicyTextBlock" xlink:to="life_BusinessActivityPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessActivityPolicyTextBlock_lbl" xml:lang="en-US">Business Activity [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessActivityPolicyTextBlock_lbl" xml:lang="en-US">Business Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessActivityPolicyTextBlock_lbl" xml:lang="en-US">Business activity policy.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_UseOfEstimatesPolicyTextBlock" xlink:label="life_UseOfEstimatesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_UseOfEstimatesPolicyTextBlock" xlink:to="life_UseOfEstimatesPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_UseOfEstimatesPolicyTextBlock_lbl" xml:lang="en-US">Use of Estimates [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_UseOfEstimatesPolicyTextBlock_lbl" xml:lang="en-US">Use of Estimates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_UseOfEstimatesPolicyTextBlock_lbl" xml:lang="en-US">Use of estimates.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ReclassificationsPolicyTextBlock" xlink:label="life_ReclassificationsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ReclassificationsPolicyTextBlock" xlink:to="life_ReclassificationsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ReclassificationsPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ReclassificationsPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications Policy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ReclassificationsPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications Policy.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ConcentrationsOfRisksPolicyTextBlock" xlink:label="life_ConcentrationsOfRisksPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ConcentrationsOfRisksPolicyTextBlock" xlink:to="life_ConcentrationsOfRisksPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ConcentrationsOfRisksPolicyTextBlock_lbl" xml:lang="en-US">Concentrations of Risks [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ConcentrationsOfRisksPolicyTextBlock_lbl" xml:lang="en-US">Concentrations of Risks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ConcentrationsOfRisksPolicyTextBlock_lbl" xml:lang="en-US">Concentrations of Risks Policy.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="lab_RevenueRecognitionPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RevenueRecognitionPolicyTextBlock" xml:lang="en-US">Revenue Recognition, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RevenueRecognitionPolicyTextBlock" xml:lang="en-US">Revenue Recognition</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="us-gaap_ReceivablesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesPolicyTextBlock" xlink:to="lab_ReceivablesPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ReceivablesPolicyTextBlock" xml:lang="en-US">Receivables, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ReceivablesPolicyTextBlock" xml:lang="en-US">Accounts Receivable</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="us-gaap_InventoryPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryPolicyTextBlock" xlink:to="lab_InventoryPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InventoryPolicyTextBlock" xml:lang="en-US">Inventory, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InventoryPolicyTextBlock" xml:lang="en-US">Inventories</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="lab_PropertyPlantAndEquipmentPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentPolicyTextBlock" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentPolicyTextBlock" xml:lang="en-US">Property and Equipment</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:to="lab_GoodwillAndIntangibleAssetsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GoodwillAndIntangibleAssetsPolicyTextBlock" xml:lang="en-US">Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GoodwillAndIntangibleAssetsPolicyTextBlock" xml:lang="en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResearchDevelopmentAndComputerSoftwarePolicyTextBlock" xlink:label="us-gaap_ResearchDevelopmentAndComputerSoftwarePolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchDevelopmentAndComputerSoftwarePolicyTextBlock" xlink:to="lab_ResearchDevelopmentAndComputerSoftwarePolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ResearchDevelopmentAndComputerSoftwarePolicyTextBlock" xml:lang="en-US">Research, Development, and Computer Software, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ResearchDevelopmentAndComputerSoftwarePolicyTextBlock" xml:lang="en-US">Research and Development Costs</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AccumulatedOtherComprehensiveIncomePolicyTextBlock" xlink:label="life_AccumulatedOtherComprehensiveIncomePolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AccumulatedOtherComprehensiveIncomePolicyTextBlock" xlink:to="life_AccumulatedOtherComprehensiveIncomePolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AccumulatedOtherComprehensiveIncomePolicyTextBlock_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AccumulatedOtherComprehensiveIncomePolicyTextBlock_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AccumulatedOtherComprehensiveIncomePolicyTextBlock_lbl" xml:lang="en-US">Accumulated other comprehensive income policy.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="lab_SubsequentEventsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SubsequentEventsAbstract" xml:lang="en-US">Subsequent Events [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LandMember" xlink:label="us-gaap_LandMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandMember" xlink:to="lab_LandMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LandMember" xml:lang="en-US">Land [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="us-gaap_ConstructionInProgressMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConstructionInProgressMember" xlink:to="lab_ConstructionInProgressMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ConstructionInProgressMember" xml:lang="en-US">Construction in Progress [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PurchasedTechnologyMember" xlink:label="life_PurchasedTechnologyMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PurchasedTechnologyMember" xlink:to="life_PurchasedTechnologyMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PurchasedTechnologyMember_lbl" xml:lang="en-US">Purchased Technology [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PurchasedTechnologyMember_lbl" xml:lang="en-US">Purchased technology [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PurchasedTechnologyMember_lbl" xml:lang="en-US">Purchased technology.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PurchasedTradenamesAndTrademarksMember" xlink:label="life_PurchasedTradenamesAndTrademarksMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PurchasedTradenamesAndTrademarksMember" xlink:to="life_PurchasedTradenamesAndTrademarksMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PurchasedTradenamesAndTrademarksMember_lbl" xml:lang="en-US">Purchased Tradenames And Trademarks [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PurchasedTradenamesAndTrademarksMember_lbl" xml:lang="en-US">Purchased tradenames and trademarks [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PurchasedTradenamesAndTrademarksMember_lbl" xml:lang="en-US">Purchased tradenames and trademarks.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OtherIntellectualPropertiesMember" xlink:label="life_OtherIntellectualPropertiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OtherIntellectualPropertiesMember" xlink:to="life_OtherIntellectualPropertiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OtherIntellectualPropertiesMember_lbl" xml:lang="en-US">Other Intellectual Properties [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OtherIntellectualPropertiesMember_lbl" xml:lang="en-US">Other Intellectual Properties [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OtherIntellectualPropertiesMember_lbl" xml:lang="en-US">Other intellectual properties.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PurchasedTradenamesMember" xlink:label="life_PurchasedTradenamesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PurchasedTradenamesMember" xlink:to="life_PurchasedTradenamesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PurchasedTradenamesMember_lbl" xml:lang="en-US">Purchased Tradenames [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PurchasedTradenamesMember_lbl" xml:lang="en-US">Purchased tradenames [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PurchasedTradenamesMember_lbl" xml:lang="en-US">Purchased tradenames.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ChangesInNetCarryingAmountOfGoodwillAbstract" xlink:label="life_ChangesInNetCarryingAmountOfGoodwillAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PurchaseAdjustmentsOfIncomeTaxConsiderations_lbl" xml:lang="en-US">Purchase adjustments of income tax considerations.</label>
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncrementalCommonSharesAttributableToNumberOfSharesDilutivePerformanceAwards" xlink:label="life_IncrementalCommonSharesAttributableToNumberOfSharesDilutivePerformanceAwards" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" />
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsLineItems" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsLineItems" xlink:to="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsLineItems_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsLineItems_lbl" xml:lang="en-US">Business Activity Summary of Significant Accounting Policies and Significant Accounts.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsTable_lbl" xml:lang="en-US">e</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsTable_lbl" xml:lang="en-US">Business Activity Summary of Significant Accounting Policies and Significant Accounts.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAxis" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAxis" xlink:to="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAxis_lbl" xml:lang="en-US">Business Activity Summary of Significant Accounting Policies and Significant Accounts [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsAxis_lbl" xml:lang="en-US">Business activity summary of significant accounting policies and significant accounts.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsDomain" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsDomain" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsDomain_lbl" xml:lang="en-US">Business Activity Summary of Significant Accounting Policies and Significant Accounts [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsDomain_lbl" xml:lang="en-US">Business activity summary of significant accounting policies and significant accounts.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_UniversityAndResearchInstitutionsMember" xlink:label="life_UniversityAndResearchInstitutionsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_UniversityAndResearchInstitutionsMember" xlink:to="life_UniversityAndResearchInstitutionsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_UniversityAndResearchInstitutionsMember_lbl" xml:lang="en-US">University and Research Institutions [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_UniversityAndResearchInstitutionsMember_lbl" xml:lang="en-US">University and research institutions [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_UniversityAndResearchInstitutionsMember_lbl" xml:lang="en-US">University and research institutions.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsTextualAbstract" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsTextualAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsTextualAbstract_lbl" xml:lang="en-US">Business Activity Summary of Significant Accounting Policies and Significant Accounts (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsTextualAbstract_lbl" xml:lang="en-US">Business activity summary of significant accounting policies and significant accounts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessActivitySummaryOfSignificantAccountingPoliciesAndSignificantAccountsTextualAbstract_lbl" xml:lang="en-US">Business activity summary of significant accounting policies and significant accounts (Textual) [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PercentageOfRevenuesDerivedFromUniversityAndResearchInstitutions_lbl" xml:lang="en-US">Percentage of Revenues Derived from University and Research Institutions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PercentageOfRevenuesDerivedFromUniversityAndResearchInstitutions_lbl" xml:lang="en-US">Percentage of revenues derived from university and research institutions.</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="us-gaap_DeferredRevenue" />
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_CompanyAccruedNonQualifiedPensionPlansIncludedInCurrentLiabilitiesAndPensionLiabilities" xlink:label="life_CompanyAccruedNonQualifiedPensionPlansIncludedInCurrentLiabilitiesAndPensionLiabilities" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_CompanyAccruedNonQualifiedPensionPlansIncludedInCurrentLiabilitiesAndPensionLiabilities_lbl" xml:lang="en-US">Company accrued non qualified pension plans included in current liabilities and pension liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_CompanyAccruedNonQualifiedPensionPlansIncludedInCurrentLiabilitiesAndPensionLiabilities_lbl" xml:lang="en-US">Company accrued non qualified pension plans included in current liabilities and pension liabilities</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryValuationReserves" xlink:label="us-gaap_InventoryValuationReserves" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers" xlink:label="us-gaap_CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_RecordedAmountOfAmortizationExpenseInOtherIncomeExpenseInConnectionWithItsJointVentureInvestment_lbl" xml:lang="en-US">Recorded amount of amortization expense in other income expense in connection with its joint venture investment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_RecordedAmountOfAmortizationExpenseInOtherIncomeExpenseInConnectionWithItsJointVentureInvestment_lbl" xml:lang="en-US">Recorded amount of amortization expense in other income expense in connection with its joint venture investment</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="us-gaap_ProductWarrantyAccrual" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProductWarrantyAccrual" xml:lang="en-US">Product Warranty Accrual</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2011/country-2011-01-31.xsd#country_US" xlink:label="country_US" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_US" xlink:to="lab_US" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_US" xml:lang="en-US">UNITED STATES</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_US" xml:lang="en-US">United States [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OtherAmericasMember" xlink:label="life_OtherAmericasMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OtherAmericasMember" xlink:to="life_OtherAmericasMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OtherAmericasMember_lbl" xml:lang="en-US">Other Americas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OtherAmericasMember_lbl" xml:lang="en-US">Other Americas.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OtherAmericasMember_lbl" xml:lang="en-US">Other Americas [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AmericasMember" xlink:label="life_AmericasMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AmericasMember" xlink:to="life_AmericasMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AmericasMember_lbl" xml:lang="en-US">Americas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AmericasMember_lbl" xml:lang="en-US">Total Americas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AmericasMember_lbl" xml:lang="en-US">Americas.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EuropeMember" xlink:label="life_EuropeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EuropeMember" xlink:to="life_EuropeMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EuropeMember_lbl" xml:lang="en-US">Europe [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EuropeMember_lbl" xml:lang="en-US">Europe.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EuropeMember_lbl" xml:lang="en-US">Europe [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AsiaPacificMember" xlink:label="life_AsiaPacificMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AsiaPacificMember" xlink:to="life_AsiaPacificMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AsiaPacificMember_lbl" xml:lang="en-US">Asia Pacific [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AsiaPacificMember_lbl" xml:lang="en-US">Asia Pacific.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AsiaPacificMember_lbl" xml:lang="en-US">Asia Pacific [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OtherForeignMember" xlink:label="life_OtherForeignMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OtherForeignMember" xlink:to="life_OtherForeignMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OtherForeignMember_lbl" xml:lang="en-US">Other Foreign [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OtherForeignMember_lbl" xml:lang="en-US">Other foreign [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OtherForeignMember_lbl" xml:lang="en-US">Other Foreign.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xlink:to="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xml:lang="en-US">Disclosure on Geographic Areas, Revenue from External Customers Attributed to Entity's Country of Domicile</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xml:lang="en-US">Product and service sales, Total Americas</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xlink:to="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xml:lang="en-US">Product and service sales Foreign</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xml:lang="en-US">Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="us-gaap_StatementGeographicalAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="lab_StatementGeographicalAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementGeographicalAxis" xml:lang="en-US">Statement, Geographical [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="us-gaap_SegmentGeographicalDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="lab_SegmentGeographicalDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentGeographicalDomain" xml:lang="en-US">Segment, Geographical [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2011/country-2011-01-31.xsd#country_GB" xlink:label="country_GB" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_GB" xlink:to="lab_GB" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GB" xml:lang="en-US">UNITED KINGDOM</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GB" xml:lang="en-US">United Kingdom [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OtherEuropeMember" xlink:label="life_OtherEuropeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OtherEuropeMember" xlink:to="life_OtherEuropeMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OtherEuropeMember_lbl" xml:lang="en-US">Other Europe [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OtherEuropeMember_lbl" xml:lang="en-US">Other Europe.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OtherEuropeMember_lbl" xml:lang="en-US">Other Europe [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xlink:to="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xml:lang="en-US">Disclosure on Geographic Areas, Long-Lived Assets in Entity's Country of Domicile</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xml:lang="en-US">Net long-lived assets located, Americas</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xlink:to="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xml:lang="en-US">Net long-lived assets located, Foreign</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xml:lang="en-US">Disclosure on Geographic Areas, Long-Lived Assets in Foreign Countries</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:to="lab_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xml:lang="en-US">Schedule of Maturities of Long-term Debt [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xml:lang="en-US">Maturities of the long-term debt</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_GrossMaturitiesMember" xlink:label="life_GrossMaturitiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_GrossMaturitiesMember" xlink:to="life_GrossMaturitiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_GrossMaturitiesMember_lbl" xml:lang="en-US">Gross Maturities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_GrossMaturitiesMember_lbl" xml:lang="en-US">Gross Maturities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_GrossMaturitiesMember_lbl" xml:lang="en-US">Gross Maturities [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ImputedInterestOnMinimumLeasePaymentsUnderCapitalLeasesMember" xlink:label="life_ImputedInterestOnMinimumLeasePaymentsUnderCapitalLeasesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ImputedInterestOnMinimumLeasePaymentsUnderCapitalLeasesMember" xlink:to="life_ImputedInterestOnMinimumLeasePaymentsUnderCapitalLeasesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ImputedInterestOnMinimumLeasePaymentsUnderCapitalLeasesMember_lbl" xml:lang="en-US">Imputed Interest on Minimum Lease Payments Under Capital Leases [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ImputedInterestOnMinimumLeasePaymentsUnderCapitalLeasesMember_lbl" xml:lang="en-US">Imputed Interest on Minimum Lease Payments Under Capital Leases [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ImputedInterestOnMinimumLeasePaymentsUnderCapitalLeasesMember_lbl" xml:lang="en-US">Imputed interest on minimum lease payments under capital leases.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MaturitiesOfLongTermDebtAbstract" xlink:label="us-gaap_MaturitiesOfLongTermDebtAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaturitiesOfLongTermDebtAbstract" xlink:to="lab_MaturitiesOfLongTermDebtAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MaturitiesOfLongTermDebtAbstract" xml:lang="en-US">Maturities of Long-term Debt [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MaturitiesOfLongTermDebtAbstract" xml:lang="en-US">Maturities of Long-term Debt</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US">2012</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US">2013</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US">2014</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US">2015</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xml:lang="en-US">2016</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal after Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xml:lang="en-US">Thereafter</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="lab_LongTermDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebt" xml:lang="en-US">Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_LongTermDebt" xml:lang="en-US">Total</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromConvertibleDebt" xlink:label="us-gaap_ProceedsFromConvertibleDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromConvertibleDebt" xlink:to="lab_ProceedsFromConvertibleDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromConvertibleDebt" xml:lang="en-US">Proceeds from Convertible Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromConvertibleDebt" xml:lang="en-US">Net proceeds from convertible debt</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DebtInstrumentAdditionalInterestRatePercentage" xlink:label="life_DebtInstrumentAdditionalInterestRatePercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DebtInstrumentAdditionalInterestRatePercentage" xlink:to="life_DebtInstrumentAdditionalInterestRatePercentage_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DebtInstrumentAdditionalInterestRatePercentage_lbl" xml:lang="en-US">Debt Instrument Additional Interest Rate Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DebtInstrumentAdditionalInterestRatePercentage_lbl" xml:lang="en-US">Percentage of additional interest of the market value on 2024 notes to be paid per six-month period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DebtInstrumentAdditionalInterestRatePercentage_lbl" xml:lang="en-US">Debt instrument additional interest rate percentage.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AdditionalInterestRatePaidOnMarketValue" xlink:label="life_AdditionalInterestRatePaidOnMarketValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AdditionalInterestRatePaidOnMarketValue" xlink:to="life_AdditionalInterestRatePaidOnMarketValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AdditionalInterestRatePaidOnMarketValue_lbl" xml:lang="en-US">Additional Interest Rate Paid on Market Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AdditionalInterestRatePaidOnMarketValue_lbl" xml:lang="en-US">Additional Interest Rate Paid On Market Value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AdditionalInterestRatePaidOnMarketValue_lbl" xml:lang="en-US">Additional interest rate paid on market value</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PercentageOfNoteExchanged" xlink:label="life_PercentageOfNoteExchanged" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PercentageOfNoteExchanged" xlink:to="life_PercentageOfNoteExchanged_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PercentageOfNoteExchanged_lbl" xml:lang="en-US">Percentage of Note Exchanged</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PercentageOfNoteExchanged_lbl" xml:lang="en-US">Approximate Percentage of Note Exchanged</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PercentageOfNoteExchanged_lbl" xml:lang="en-US">Percentage of Note Exchanged</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_FutureMinimumLeaseCommitmentsAndSubleaseRentalsForOperatingLeasesAbstract" xlink:label="life_FutureMinimumLeaseCommitmentsAndSubleaseRentalsForOperatingLeasesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_FutureMinimumLeaseCommitmentsAndSubleaseRentalsForOperatingLeasesAbstract" xlink:to="life_FutureMinimumLeaseCommitmentsAndSubleaseRentalsForOperatingLeasesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_FutureMinimumLeaseCommitmentsAndSubleaseRentalsForOperatingLeasesAbstract_lbl" xml:lang="en-US">Future Minimum Lease Commitments and Sublease Rentals for Operating Leases [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_FutureMinimumLeaseCommitmentsAndSubleaseRentalsForOperatingLeasesAbstract_lbl" xml:lang="en-US">Future Minimum Lease Commitments and Sublease Rentals for Operating Leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_FutureMinimumLeaseCommitmentsAndSubleaseRentalsForOperatingLeasesAbstract_lbl" xml:lang="en-US">Future Minimum Lease Commitments and Sublease Rentals for Operating Leases Abstract.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentals" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentals" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentals" xlink:to="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentals_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentals_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments and Sublease Rentals</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentals_lbl" xml:lang="en-US">Net, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentals_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments And Sublease Rentals.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThereafter" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThereafter" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThereafter" xlink:to="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThereafter_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThereafter_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments and Sublease Rentals Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThereafter_lbl" xml:lang="en-US">Net, Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThereafter_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments And Sublease Rentals Thereafter.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFiveYears" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFiveYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFiveYears" xlink:to="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFiveYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFiveYears_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments and Sublease Rentals Five Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFiveYears_lbl" xml:lang="en-US">Net, 2016</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFiveYears_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments And Sublease Rentals Five Years.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFourYears" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFourYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFourYears" xlink:to="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFourYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFourYears_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments and Sublease Rentals Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFourYears_lbl" xml:lang="en-US">Net, 2015</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsFourYears_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments And Sublease Rentals Four Years.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThreeYears" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThreeYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThreeYears" xlink:to="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThreeYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThreeYears_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments and Sublease Rentals Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThreeYears_lbl" xml:lang="en-US">Net, 2014</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsThreeYears_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments And Sublease Rentals Three Years.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsTwoYears" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsTwoYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsTwoYears" xlink:to="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsTwoYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsTwoYears_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments and Sublease Rentals Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsTwoYears_lbl" xml:lang="en-US">Net, 2013</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsTwoYears_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments And Sublease Rentals Two Years.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsCurrent" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsCurrent" xlink:to="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsCurrent_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments and Sublease Rentals Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsCurrent_lbl" xml:lang="en-US">Net, 2012</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OperatingLeasesNetFutureMinimumLeaseCommitmentsAndSubleaseRentalsCurrent_lbl" xml:lang="en-US">Operating Leases Net Future Minimum Lease Commitments And Sublease Rentals Current.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueCurrent" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Current</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Two Years</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Three Years</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Four Years</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Five Years</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDueThereafter" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueThereafter" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueThereafter" xml:lang="en-US">Lease commitments, Thereafter</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsDue" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, Current</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Two Years</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Three Years</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Four Years</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Five Years</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xml:lang="en-US">Sublease Rentals, Thereafter</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:to="lab_OperatingLeasesFutureMinimumPaymentsReceivable" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_FutureMinimumGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsAbstract" xlink:label="life_FutureMinimumGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_FutureMinimumGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsAbstract" xlink:to="life_FutureMinimumGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_FutureMinimumGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsAbstract_lbl" xml:lang="en-US">Future Minimum Guaranteed Royalties and Unconditional Purchase Obligations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_FutureMinimumGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsAbstract_lbl" xml:lang="en-US">Future Minimum Guaranteed Royalties and Unconditional Purchase Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_FutureMinimumGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsAbstract_lbl" xml:lang="en-US">Future Minimum Guaranteed Royalties and Unconditional Purchase Obligations.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligations" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligations" xlink:to="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligations_lbl" xml:lang="en-US">Guaranteed Royalties and Unconditional Purchase Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligations_lbl" xml:lang="en-US">Guaranteed Royalties and Unconditional Purchase Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligations_lbl" xml:lang="en-US">Guaranteed Royalties And Unconditional Purchase Obligations.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueAfterFifthYear" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueAfterFifthYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueAfterFifthYear" xlink:to="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueAfterFifthYear_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueAfterFifthYear_lbl" xml:lang="en-US">Guaranteed Royalties and Unconditional Purchase Obligation Due After Fifth Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueAfterFifthYear_lbl" xml:lang="en-US">Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueAfterFifthYear_lbl" xml:lang="en-US">Guaranteed Royalties And Unconditional Purchase Obligation Due After Fifth Year.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFifthYear" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFifthYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFifthYear" xlink:to="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFifthYear_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFifthYear_lbl" xml:lang="en-US">Guaranteed Royalties and Unconditional Purchase Obligation Due in Fifth Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFifthYear_lbl" xml:lang="en-US">2016</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFifthYear_lbl" xml:lang="en-US">Guaranteed Royalties And Unconditional Purchase Obligation Due In Fifth Year.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFourthYear" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFourthYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFourthYear" xlink:to="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFourthYear_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFourthYear_lbl" xml:lang="en-US">Guaranteed Royalties and Unconditional Purchase Obligation Due in Fourth Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFourthYear_lbl" xml:lang="en-US">2015</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInFourthYear_lbl" xml:lang="en-US">Guaranteed Royalties And Unconditional Purchase Obligation Due In Fourth Year.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInThirdYear" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInThirdYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInThirdYear" xlink:to="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInThirdYear_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInThirdYear_lbl" xml:lang="en-US">Guaranteed Royalties and Unconditional Purchase Obligation Due in Third Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInThirdYear_lbl" xml:lang="en-US">2014</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInThirdYear_lbl" xml:lang="en-US">Guaranteed Royalties And Unconditional Purchase Obligation Due In Third Year.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInSecondYear" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInSecondYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInSecondYear" xlink:to="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInSecondYear_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInSecondYear_lbl" xml:lang="en-US">Guaranteed Royalties and Unconditional Purchase Obligation Due in Second Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInSecondYear_lbl" xml:lang="en-US">2013</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueInSecondYear_lbl" xml:lang="en-US">Guaranteed Royalties And Unconditional Purchase Obligation Due In Second Year.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueWithInOneYear" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueWithInOneYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueWithInOneYear" xlink:to="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueWithInOneYear_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueWithInOneYear_lbl" xml:lang="en-US">Guaranteed Royalties and Unconditional Purchase Obligation Due With in One Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueWithInOneYear_lbl" xml:lang="en-US">2012</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_GuaranteedRoyaltiesAndUnconditionalPurchaseObligationDueWithInOneYear_lbl" xml:lang="en-US">Guaranteed Royalties And Unconditional Purchase Obligation Due With In One Year.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AuctionRateSecuritiesMember" xlink:label="us-gaap_AuctionRateSecuritiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AuctionRateSecuritiesMember" xlink:to="lab_AuctionRateSecuritiesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AuctionRateSecuritiesMember" xml:lang="en-US">Auction Rate Securities [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesRentExpenseMinimumRentals" xlink:label="us-gaap_OperatingLeasesRentExpenseMinimumRentals" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesRentExpenseMinimumRentals" xlink:to="lab_OperatingLeasesRentExpenseMinimumRentals" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLeasesRentExpenseMinimumRentals" xml:lang="en-US">Operating Leases, Rent Expense, Minimum Rentals</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesRentExpenseMinimumRentals" xml:lang="en-US">Operating Leases, Rent Expenses</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RentalIncomeNonoperating" xlink:label="us-gaap_RentalIncomeNonoperating" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RentalIncomeNonoperating" xlink:to="lab_RentalIncomeNonoperating" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RentalIncomeNonoperating" xml:lang="en-US">Rental Income, Nonoperating</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RentalIncomeNonoperating" xml:lang="en-US">Sublease Income Total</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_RemainingLifeOfPatent" xlink:label="life_RemainingLifeOfPatent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_RemainingLifeOfPatent" xlink:to="life_RemainingLifeOfPatent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_RemainingLifeOfPatent_lbl" xml:lang="en-US">Remaining Life of Patent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_RemainingLifeOfPatent_lbl" xml:lang="en-US">Remaining life of patent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_RemainingLifeOfPatent_lbl" xml:lang="en-US">Remaining life of patent.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_MinimumAmortizationPeriodOfPatent" xlink:label="life_MinimumAmortizationPeriodOfPatent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_MinimumAmortizationPeriodOfPatent" xlink:to="life_MinimumAmortizationPeriodOfPatent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_MinimumAmortizationPeriodOfPatent_lbl" xml:lang="en-US">Minimum Amortization Period of Patent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_MinimumAmortizationPeriodOfPatent_lbl" xml:lang="en-US">Minimum amortization period of patent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_MinimumAmortizationPeriodOfPatent_lbl" xml:lang="en-US">Minimum amortization period of patent.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_MaximumAmortizationPeriodOfPatent" xlink:label="life_MaximumAmortizationPeriodOfPatent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_MaximumAmortizationPeriodOfPatent" xlink:to="life_MaximumAmortizationPeriodOfPatent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_MaximumAmortizationPeriodOfPatent_lbl" xml:lang="en-US">Maximum Amortization Period of Patent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_MaximumAmortizationPeriodOfPatent_lbl" xml:lang="en-US">Maximum amortization period of patent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_MaximumAmortizationPeriodOfPatent_lbl" xml:lang="en-US">Maximum amortization period of patent.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RoyaltyExpense" xlink:label="us-gaap_RoyaltyExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RoyaltyExpense" xlink:to="lab_RoyaltyExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RoyaltyExpense" xml:lang="en-US">Royalty Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RoyaltyExpense" xml:lang="en-US">Royalty expense agreements</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ContingentPaymentsEarnedAndExpensed" xlink:label="life_ContingentPaymentsEarnedAndExpensed" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ContingentPaymentsEarnedAndExpensed" xlink:to="life_ContingentPaymentsEarnedAndExpensed_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ContingentPaymentsEarnedAndExpensed_lbl" xml:lang="en-US">Contingent Payments Earned and Expensed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ContingentPaymentsEarnedAndExpensed_lbl" xml:lang="en-US">Contingent payments earned and expensed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ContingentPaymentsEarnedAndExpensed_lbl" xml:lang="en-US">Contingent payments earned and expensed.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:to="lab_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xml:lang="en-US">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xml:lang="en-US">The difference between the United States federal statutory tax rate and the company's effective tax rate</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xlink:to="lab_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="lab_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xml:lang="en-US">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xml:lang="en-US">Income tax provision (benefit)</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="lab_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xml:lang="en-US">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xml:lang="en-US">Significant components of deferred tax assets and liabilities</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:label="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:to="lab_SummaryOfIncomeTaxContingenciesTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SummaryOfIncomeTaxContingenciesTextBlock" xml:lang="en-US">Summary of Income Tax Contingencies [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SummaryOfIncomeTaxContingenciesTextBlock" xml:lang="en-US">Summary of unrecognized tax benefits</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="lab_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xml:lang="en-US">The difference between the United States federal statutory tax rate and the company's effective tax rate</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings" xml:lang="en-US">Repatriation of other foreign earnings, net of related benefits</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseRestructuringCharges" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseRestructuringCharges" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:to="lab_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xml:lang="en-US">Valuation allowance</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:to="lab_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xml:lang="en-US">Changes in tax rate</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EffectiveIncomeTaxRateReconciliationInterestOnAccruals" xlink:label="life_EffectiveIncomeTaxRateReconciliationInterestOnAccruals" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EffectiveIncomeTaxRateReconciliationInterestOnAccruals" xlink:to="life_EffectiveIncomeTaxRateReconciliationInterestOnAccruals_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EffectiveIncomeTaxRateReconciliationInterestOnAccruals_lbl" xml:lang="en-US">Effective Income Tax Rate Reconciliation Interest on Accruals</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EffectiveIncomeTaxRateReconciliationInterestOnAccruals_lbl" xml:lang="en-US">Effective income tax rate reconciliation interest on accruals.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EffectiveIncomeTaxRateReconciliationInterestOnAccruals_lbl" xml:lang="en-US">Interest on accruals</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitAbstract" xlink:label="us-gaap_IncomeTaxExpenseBenefitAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefitAbstract" xlink:to="lab_IncomeTaxExpenseBenefitAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxExpenseBenefitAbstract" xml:lang="en-US">Income Tax Expense (Benefit) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxExpenseBenefitAbstract" xml:lang="en-US">Income tax provision (benefit)</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitAbstract" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitAbstract" xlink:to="lab_CurrentIncomeTaxExpenseBenefitAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CurrentIncomeTaxExpenseBenefitAbstract" xml:lang="en-US">Current Income Tax Expense (Benefit) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CurrentIncomeTaxExpenseBenefitAbstract" xml:lang="en-US">Current:</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:to="lab_CurrentFederalTaxExpenseBenefit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CurrentFederalTaxExpenseBenefit" xml:lang="en-US">Current Federal Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CurrentFederalTaxExpenseBenefit" xml:lang="en-US">Federal</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:to="lab_CurrentStateAndLocalTaxExpenseBenefit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CurrentStateAndLocalTaxExpenseBenefit" xml:lang="en-US">Current State and Local Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CurrentStateAndLocalTaxExpenseBenefit" xml:lang="en-US">State</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentForeignTaxExpenseBenefit" xlink:to="lab_CurrentForeignTaxExpenseBenefit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CurrentForeignTaxExpenseBenefit" xml:lang="en-US">Current Foreign Tax Expense (Benefit)</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="lab_CurrentIncomeTaxExpenseBenefit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CurrentIncomeTaxExpenseBenefit" xml:lang="en-US">Current Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_CurrentIncomeTaxExpenseBenefit" xml:lang="en-US">Total Current provision</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitAbstract" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredIncomeTaxExpenseBenefitAbstract" xml:lang="en-US">Deferred:</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredFederalIncomeTaxExpenseBenefit" xml:lang="en-US">Deferred Federal Income Tax Expense (Benefit)</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredStateAndLocalIncomeTaxExpenseBenefit" xml:lang="en-US">Deferred State and Local Income Tax Expense (Benefit)</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredForeignIncomeTaxExpenseBenefit" xml:lang="en-US">Deferred Foreign Income Tax Expense (Benefit)</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxReconciliationChangeInEnactedTaxRate" xml:lang="en-US">Changes in tax rate</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DeferredTaxAssetsTaxLossAndOtherCarryforwards_lbl" xml:lang="en-US">Tax loss and other carryforwards</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment" xlink:label="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsGross" xml:lang="en-US">Deferred Tax Assets, Gross</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsValuationAllowance" xml:lang="en-US">Deferred Tax Assets, Valuation Allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DeferredTaxAssetsValuationAllowance" xml:lang="en-US">Deferred Tax Assets, Valuation Allowance, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredTaxAssetsValuationAllowance" xml:lang="en-US">Less valuation allowance</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="us-gaap_DeferredTaxAssetsNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNet" xlink:to="lab_DeferredTaxAssetsNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsNet" xml:lang="en-US">Deferred Tax Assets, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DeferredTaxAssetsNet" xml:lang="en-US">Total net deferred tax assets</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DeferredTaxLiabilitiesUnremittedEarnings" xlink:label="life_DeferredTaxLiabilitiesUnremittedEarnings" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DeferredTaxLiabilitiesUnremittedEarnings" xlink:to="life_DeferredTaxLiabilitiesUnremittedEarnings_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DeferredTaxLiabilitiesUnremittedEarnings_lbl" xml:lang="en-US">Deferred Tax Liabilities Unremitted Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="life_DeferredTaxLiabilitiesUnremittedEarnings_lbl" xml:lang="en-US">Unremitted earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DeferredTaxLiabilitiesUnremittedEarnings_lbl" xml:lang="en-US">Deferred Tax Liabilities Unremitted Earnings.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" xlink:to="lab_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" xml:lang="en-US">Deferred Tax Liabilities, Goodwill and Intangible Assets, Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" xml:lang="en-US">Acquired intangibles</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:to="lab_DeferredTaxLiabilitiesPropertyPlantAndEquipment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xml:lang="en-US">Deferred Tax Liabilities, Property, Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xml:lang="en-US">Fixed assets</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DeferredTaxLiabilitiesConvertibleDebt" xlink:label="life_DeferredTaxLiabilitiesConvertibleDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DeferredTaxLiabilitiesConvertibleDebt" xlink:to="life_DeferredTaxLiabilitiesConvertibleDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DeferredTaxLiabilitiesConvertibleDebt_lbl" xml:lang="en-US">Deferred Tax Liabilities Convertible Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="life_DeferredTaxLiabilitiesConvertibleDebt_lbl" xml:lang="en-US">Convertible senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DeferredTaxLiabilitiesConvertibleDebt_lbl" xml:lang="en-US">Deferred tax liabilities convertible debt.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="us-gaap_DeferredTaxLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilities" xlink:to="lab_DeferredTaxLiabilities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxLiabilities" xml:lang="en-US">Deferred Tax Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_DeferredTaxLiabilities" xml:lang="en-US">Total deferred tax liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="lab_DeferredTaxLiabilities" xml:lang="en-US">Total deferred tax liabilities</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:to="lab_DeferredTaxAssetsLiabilitiesNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsLiabilitiesNet" xml:lang="en-US">Deferred Tax Assets (Liabilities), Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DeferredTaxAssetsLiabilitiesNet" xml:lang="en-US">Net deferred tax liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredTaxAssetsLiabilitiesNet" xml:lang="en-US">Net deferred tax liabilities</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ComponentsOfDeferredTaxAssetsAbstract" xml:lang="en-US">Components of Deferred Tax Assets [Abstract]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ComponentsOfDeferredTaxLiabilitiesAbstract" xml:lang="en-US">Deferred tax liabilities:</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xml:lang="en-US">Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xml:lang="en-US">Summary of unrecognized tax benefits</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncreasesInTaxPositionsAsResultOfLapseInStatuteOfLimitations" xlink:label="life_IncreasesInTaxPositionsAsResultOfLapseInStatuteOfLimitations" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IncreasesInTaxPositionsAsResultOfLapseInStatuteOfLimitations_lbl" xml:lang="en-US">Increases in tax positions as a result of a lapse in statute of limitations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_IncreasesInTaxPositionsAsResultOfLapseInStatuteOfLimitations_lbl" xml:lang="en-US">Increases in tax positions as a result of a lapse in statute of limitations.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncreasesInTaxPositionsForCurrentYearsRelatingToAcquisition" xlink:label="life_IncreasesInTaxPositionsForCurrentYearsRelatingToAcquisition" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_IncreasesInTaxPositionsForCurrentYearsRelatingToAcquisition_lbl" xml:lang="en-US">Increases in tax Positions for Current Years Relating to Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IncreasesInTaxPositionsForCurrentYearsRelatingToAcquisition_lbl" xml:lang="en-US">Increases in tax positions for current year relating to acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_IncreasesInTaxPositionsForCurrentYearsRelatingToAcquisition_lbl" xml:lang="en-US">Increases in tax positions for current years relating to acquisition.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncreasesInTaxPositionsForPriorYearsRelatingToAcquisition" xlink:label="life_IncreasesInTaxPositionsForPriorYearsRelatingToAcquisition" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_IncreasesInTaxPositionsForPriorYearsRelatingToAcquisition_lbl" xml:lang="en-US">Increases in Tax Positions for Prior Years Relating to Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IncreasesInTaxPositionsForPriorYearsRelatingToAcquisition_lbl" xml:lang="en-US">Increases in tax positions for prior year relating to acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_IncreasesInTaxPositionsForPriorYearsRelatingToAcquisition_lbl" xml:lang="en-US">Increases in tax positions for Prior years relating to acquisitions.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DecreasesInTaxPositionsForCurrentYearRelatingToAcquisition" xlink:label="life_DecreasesInTaxPositionsForCurrentYearRelatingToAcquisition" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DecreasesInTaxPositionsForCurrentYearRelatingToAcquisition_lbl" xml:lang="en-US">Decreases in tax positions for prior year relating to acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DecreasesInTaxPositionsForCurrentYearRelatingToAcquisition_lbl" xml:lang="en-US">Decreases In Tax Positions For Current Year Relating To Acquisition.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnrecognizedTaxBenefits" xml:lang="en-US">Unrecognized Tax Benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_UnrecognizedTaxBenefits" xml:lang="en-US">Gross unrecognized tax benefits at December 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_UnrecognizedTaxBenefits" xml:lang="en-US">Gross unrecognized tax benefits at January 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_UnrecognizedTaxBenefits" xml:lang="en-US">Gross unrecognized tax benefits</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xml:lang="en-US">Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xml:lang="en-US">Increases in tax positions for prior years</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AdditionalIncomeTaxesTextualAbstract_lbl" xml:lang="en-US">Additional Income Taxes Textual Abstract.</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_MaximumStockAuthorizedToBeRepurchaseOverTwoYears_lbl" xml:lang="en-US">Maximum Stock Authorized to be Repurchase Over Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_MaximumStockAuthorizedToBeRepurchaseOverTwoYears_lbl" xml:lang="en-US">Maximum stock authorized to be repurchase over two years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_MaximumStockAuthorizedToBeRepurchaseOverTwoYears_lbl" xml:lang="en-US">Maximum stock authorized to be repurchase over two years.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ApprovalTimeToRepurchaseCommonStock" xlink:label="life_ApprovalTimeToRepurchaseCommonStock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ApprovalTimeToRepurchaseCommonStock" xlink:to="life_ApprovalTimeToRepurchaseCommonStock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ApprovalTimeToRepurchaseCommonStock_lbl" xml:lang="en-US">Approval Time to Repurchase Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ApprovalTimeToRepurchaseCommonStock_lbl" xml:lang="en-US">Approval time to repurchase the common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ApprovalTimeToRepurchaseCommonStock_lbl" xml:lang="en-US">Approval time to repurchase common stock.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_RepurchaseProgramTwoThousandElevenMember" xlink:label="life_RepurchaseProgramTwoThousandElevenMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_RepurchaseProgramTwoThousandElevenMember" xlink:to="life_RepurchaseProgramTwoThousandElevenMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_RepurchaseProgramTwoThousandElevenMember_lbl" xml:lang="en-US">Repurchase Program Two Thousand Eleven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_RepurchaseProgramTwoThousandElevenMember_lbl" xml:lang="en-US">Repurchase Program Two Thousand Eleven.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_RepurchaseProgramTwoThousandElevenMember_lbl" xml:lang="en-US">Repurchase Program 2011 [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_RepurchaseProgramDecemberTwoThousandTenMember" xlink:label="life_RepurchaseProgramDecemberTwoThousandTenMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_RepurchaseProgramDecemberTwoThousandTenMember" xlink:to="life_RepurchaseProgramDecemberTwoThousandTenMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_RepurchaseProgramDecemberTwoThousandTenMember_lbl" xml:lang="en-US">Repurchase Program December Two Thousand Ten [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_RepurchaseProgramDecemberTwoThousandTenMember_lbl" xml:lang="en-US">Repurchase Program December Two Thousand Ten.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_RepurchaseProgramDecemberTwoThousandTenMember_lbl" xml:lang="en-US">Repurchase Program December 2010 [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_CompanysPensionAndPostretirementPlansTableTextBlock" xlink:label="life_CompanysPensionAndPostretirementPlansTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_CompanysPensionAndPostretirementPlansTableTextBlock" xlink:to="life_CompanysPensionAndPostretirementPlansTableTextBlock_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_CompanysPensionAndPostretirementPlansTableTextBlock_lbl" xml:lang="en-US">Company's pension and postretirement plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_CompanysPensionAndPostretirementPlansTableTextBlock_lbl" xml:lang="en-US">Company's pension and postretirement plans.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable" xlink:label="us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TypeOfDeferredCompensationDomain" xlink:label="us-gaap_TypeOfDeferredCompensationDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfDeferredCompensationDomain" xlink:to="lab_TypeOfDeferredCompensationDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TypeOfDeferredCompensationDomain" xml:lang="en-US">Type of Deferred Compensation [Domain]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" xlink:to="lab_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" />
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_CompanysPensionAndPostretirementPlansAbstract" xlink:label="life_CompanysPensionAndPostretirementPlansAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_CompanysPensionAndPostretirementPlansAbstract" xlink:to="life_CompanysPensionAndPostretirementPlansAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_CompanysPensionAndPostretirementPlansAbstract_lbl" xml:lang="en-US">Company's Pension and Postretirement Plans [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_CompanysPensionAndPostretirementPlansAbstract_lbl" xml:lang="en-US">Company's Pension and Postretirement Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_CompanysPensionAndPostretirementPlansAbstract_lbl" xml:lang="en-US">Company's pension and postretirement plans.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanChangeInBenefitObligationRollForward" xml:lang="en-US">Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanChangeInBenefitObligationRollForward" xml:lang="en-US">Change in benefit obligation:</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation" xml:lang="en-US">Foreign currency exchange rate changes</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanBenefitObligation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanBenefitObligation" xlink:to="lab_DefinedBenefitPlanBenefitObligation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanBenefitObligation" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_DefinedBenefitPlanBenefitObligation" xml:lang="en-US">Benefit obligation at end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_DefinedBenefitPlanBenefitObligation" xml:lang="en-US">Benefit obligation at beginning of year</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanGrossPrescriptionDrugSubsidyReceiptsReceived" xlink:label="us-gaap_DefinedBenefitPlanGrossPrescriptionDrugSubsidyReceiptsReceived" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanGrossPrescriptionDrugSubsidyReceiptsReceived" xml:lang="en-US">Defined Benefit Plan, Gross Prescription Drug Subsidy Receipts Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanGrossPrescriptionDrugSubsidyReceiptsReceived" xml:lang="en-US">Medicare subsidies received</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanSettlementsBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanSettlementsBenefitObligation" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanSettlementsBenefitObligation" xml:lang="en-US">Defined Benefit Plan, Settlements, Benefit Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanSettlementsBenefitObligation" xml:lang="en-US">Settlements</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanSpecialTerminationBenefits" xlink:label="us-gaap_DefinedBenefitPlanSpecialTerminationBenefits" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanSpecialTerminationBenefits" xml:lang="en-US">Defined Benefit Plan, Special Termination Benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanSpecialTerminationBenefits" xml:lang="en-US">Special termination benefits and other</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanCurtailments" xlink:label="us-gaap_DefinedBenefitPlanCurtailments" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanContributionsByEmployer" xml:lang="en-US">Defined Benefit Plan, Contributions by Employer</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanSettlementsPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanSettlementsPlanAssets" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanSettlementsPlanAssets" xml:lang="en-US">Defined Benefit Plan, Settlements, Plan Assets</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DefinedBenefitPlanMedicareSubsidiesReceived_lbl" xml:lang="en-US">Defined Benefit Plan Medicare Subsidies Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DefinedBenefitPlanMedicareSubsidiesReceived_lbl" xml:lang="en-US">Defined benefit plan medicare subsidies received.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DefinedBenefitPlanMedicareSubsidiesReceived_lbl" xml:lang="en-US">Medicare subsidies received</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets" xml:lang="en-US">Foreign currency exchange rate changes</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan" />
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DefinedBenefitPlanUnrecognizedActuarialLoss" xlink:label="life_DefinedBenefitPlanUnrecognizedActuarialLoss" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DefinedBenefitPlanUnrecognizedActuarialLoss_lbl" xml:lang="en-US">Defined benefit plan unrecognized actuarial loss.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DefinedBenefitPlanUnrecognizedActuarialLoss_lbl" xml:lang="en-US">Unrecognized actuarial loss</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xlink:label="us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xlink:to="lab_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xml:lang="en-US">Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xml:lang="en-US">Net prior service cost (credit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xml:lang="en-US">Unrecognized prior service cost (credit)</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet" xlink:label="us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet" xlink:to="lab_DefinedBenefitPlanAmountsRecognizedInBalanceSheet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAmountsRecognizedInBalanceSheet" xml:lang="en-US">Defined Benefit Plan, Amounts Recognized in Balance Sheet</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DefinedBenefitPlanAmountsRecognizedInBalanceSheet" xml:lang="en-US">Net amount recognized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAmountsRecognizedInBalanceSheet" xml:lang="en-US">Net amount recognized</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract" xlink:label="us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract" xlink:to="lab_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract" xml:lang="en-US">Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract" xml:lang="en-US">Amounts recognized in the consolidated balance sheets consist of:</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:label="us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:to="lab_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xml:lang="en-US">Defined Benefit Plan, Assets for Plan Benefits, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xml:lang="en-US">Other long term assets</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" xlink:to="lab_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:to="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:label="us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:to="lab_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xml:lang="en-US">Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xml:lang="en-US">Accumulated other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xml:lang="en-US">Accumulated other comprehensive (income) loss</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAccumulatedBenefitObligation" xml:lang="en-US">Accumulated benefit obligation</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ProjectedBenefitObligationsAccumulatedBenefitObligationsAndFairValuesOfPlanAssetsForPensionAndPostretirementPlansTableTextBlock_lbl" xml:lang="en-US">Projected benefit obligations accumulated benefit obligations and fair values of plan assets for pension and postretirement plans.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract" xlink:label="us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract" xml:lang="en-US">Projected benefit obligations, accumulated benefit obligations and fair values of plan assets for the pension and postretirement plans</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ExpectedReturnOnPlanAssetsMaximum_lbl" xml:lang="en-US">Expected return on plan assets, maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ExpectedReturnOnPlanAssetsMaximum_lbl" xml:lang="en-US">Expected return on plan assets, maximum.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xlink:to="lab_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xml:lang="en-US">Expected return on plan assets</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" xlink:to="lab_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" xml:lang="en-US">Rate of compensation increase</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DomesticCollectiveTrustsEquitySecuritiesMember" xlink:label="life_DomesticCollectiveTrustsEquitySecuritiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DomesticCollectiveTrustsEquitySecuritiesMember" xlink:to="life_DomesticCollectiveTrustsEquitySecuritiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DomesticCollectiveTrustsEquitySecuritiesMember_lbl" xml:lang="en-US">Domestic Collective Trusts Equity Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DomesticCollectiveTrustsEquitySecuritiesMember_lbl" xml:lang="en-US">Domestic collective trusts equity securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DomesticCollectiveTrustsEquitySecuritiesMember_lbl" xml:lang="en-US">Domestic collective trusts equity securities.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_InternationalCollectiveTrustsEquitySecuritiesMember" xlink:label="life_InternationalCollectiveTrustsEquitySecuritiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_InternationalCollectiveTrustsEquitySecuritiesMember" xlink:to="life_InternationalCollectiveTrustsEquitySecuritiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_InternationalCollectiveTrustsEquitySecuritiesMember_lbl" xml:lang="en-US">International Collective Trusts Equity Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_InternationalCollectiveTrustsEquitySecuritiesMember_lbl" xml:lang="en-US">International collective trusts equity securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_InternationalCollectiveTrustsEquitySecuritiesMember_lbl" xml:lang="en-US">International collective trusts equity securities.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashMember" xlink:label="us-gaap_CashMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashMember" xlink:to="lab_CashMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashMember" xml:lang="en-US">Cash [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashMember" xml:lang="en-US">Cash [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FixedIncomeSecuritiesMember" xlink:label="us-gaap_FixedIncomeSecuritiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FixedIncomeSecuritiesMember" xlink:to="lab_FixedIncomeSecuritiesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FixedIncomeSecuritiesMember" xml:lang="en-US">Fixed Income Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FixedIncomeSecuritiesMember" xml:lang="en-US">Fixed income securities [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DomesticCollectiveTrustsDebtSecuritiesMember" xlink:label="life_DomesticCollectiveTrustsDebtSecuritiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DomesticCollectiveTrustsDebtSecuritiesMember" xlink:to="life_DomesticCollectiveTrustsDebtSecuritiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DomesticCollectiveTrustsDebtSecuritiesMember_lbl" xml:lang="en-US">Domestic Collective Trusts Debt Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DomesticCollectiveTrustsDebtSecuritiesMember_lbl" xml:lang="en-US">Domestic collective trusts debt securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DomesticCollectiveTrustsDebtSecuritiesMember_lbl" xml:lang="en-US">Domestic collective trusts debt securities.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_InsuranceContractsMember" xlink:label="life_InsuranceContractsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_InsuranceContractsMember" xlink:to="life_InsuranceContractsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_InsuranceContractsMember_lbl" xml:lang="en-US">Insurance Contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_InsuranceContractsMember_lbl" xml:lang="en-US">Insurance contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_InsuranceContractsMember_lbl" xml:lang="en-US">Insurance contracts.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansAbstract" xlink:label="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansAbstract" xlink:to="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansAbstract_lbl" xml:lang="en-US">Fair Value by Asset Category for Company Funded Pension Plans and Postretirement Plans [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansAbstract_lbl" xml:lang="en-US">Fair value by asset category for company funded pension plans and postretirement plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansAbstract_lbl" xml:lang="en-US">Fair value by asset category for company funded pension plans and postretirement plans.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssetsByMeasurementAxis" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssetsByMeasurementAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanFairValueOfPlanAssetsByMeasurementAxis" xlink:to="lab_DefinedBenefitPlanFairValueOfPlanAssetsByMeasurementAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanFairValueOfPlanAssetsByMeasurementAxis" xml:lang="en-US">Defined Benefit Plan, Fair Value of Plan Assets by Measurement [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValuePlanAssetMeasurementDomain" xlink:label="us-gaap_FairValuePlanAssetMeasurementDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValuePlanAssetMeasurementDomain" xlink:to="lab_FairValuePlanAssetMeasurementDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValuePlanAssetMeasurementDomain" xml:lang="en-US">Fair Value Plan Asset Measurement [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:label="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:to="lab_DefinedBenefitPlanByPlanAssetCategoriesAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanByPlanAssetCategoriesAxis" xml:lang="en-US">Defined Benefit Plan by Plan Asset Categories [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="us-gaap_PlanAssetCategoriesDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanAssetCategoriesDomain" xlink:to="lab_PlanAssetCategoriesDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PlanAssetCategoriesDomain" xml:lang="en-US">Plan Asset Categories [Domain]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansTableTextBlock" xlink:label="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansTableTextBlock" xlink:to="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansTableTextBlock_lbl" xml:lang="en-US">Fair Value by Asset Category for Company Funded Pension Plans and Postretirement Plans [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansTableTextBlock_lbl" xml:lang="en-US">Fair value by asset category for company funded pension plans and postretirement plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_FairValueByAssetCategoryForCompanyFundedPensionPlansAndPostretirementPlansTableTextBlock_lbl" xml:lang="en-US">Fair value by asset category for company funded pension plans and postretirement plans</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SummarizesActivityByAssetCategoryForCompanysFundedPensionPlansAbstract" xlink:label="life_SummarizesActivityByAssetCategoryForCompanysFundedPensionPlansAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SummarizesActivityByAssetCategoryForCompanysFundedPensionPlansAbstract" xlink:to="life_SummarizesActivityByAssetCategoryForCompanysFundedPensionPlansAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SummarizesActivityByAssetCategoryForCompanysFundedPensionPlansAbstract_lbl" xml:lang="en-US">Summarizes activity by asset category for the Company's funded pension plans [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SummarizesActivityByAssetCategoryForCompanysFundedPensionPlansAbstract_lbl" xml:lang="en-US">Summarizes activity by asset category for the Company's funded pension plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SummarizesActivityByAssetCategoryForCompanysFundedPensionPlansAbstract_lbl" xml:lang="en-US">Summarizes activity by asset category for the Company's funded pension plans.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld" xlink:label="us-gaap_DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld" xlink:to="lab_DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld" xml:lang="en-US">Defined Benefit Plan, Actual Return on Plan Assets Still Held</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld" xml:lang="en-US">Actual return on plan assets for assets still held at December 31, 2011</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanActualReturnOnPlanAssetsSoldDuringPeriod" xlink:label="us-gaap_DefinedBenefitPlanActualReturnOnPlanAssetsSoldDuringPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanActualReturnOnPlanAssetsSoldDuringPeriod" xlink:to="lab_DefinedBenefitPlanActualReturnOnPlanAssetsSoldDuringPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanActualReturnOnPlanAssetsSoldDuringPeriod" xml:lang="en-US">Defined Benefit Plan, Actual Return on Plan Assets Sold During Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanActualReturnOnPlanAssetsSoldDuringPeriod" xml:lang="en-US">Actual return on plan assets for assets sold during 2011</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanPurchasesSalesAndSettlements" xlink:label="us-gaap_DefinedBenefitPlanPurchasesSalesAndSettlements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanPurchasesSalesAndSettlements" xlink:to="lab_DefinedBenefitPlanPurchasesSalesAndSettlements" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_MedicalMember" xlink:label="life_MedicalMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_MedicalMember" xlink:to="life_MedicalMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_MedicalMember_lbl" xml:lang="en-US">Medical [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_MedicalMember_lbl" xml:lang="en-US">Medical.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_MedicalMember_lbl" xml:lang="en-US">Medical [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DentalMember" xlink:label="life_DentalMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DentalMember" xlink:to="life_DentalMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DentalMember_lbl" xml:lang="en-US">Dental [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DentalMember_lbl" xml:lang="en-US">Dental.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DentalMember_lbl" xml:lang="en-US">Dental [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract" xlink:label="us-gaap_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract" xlink:to="lab_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract" xml:lang="en-US">Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract" xml:lang="en-US">Weighted average assumed health care cost trend rates on the postretirement plans</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear" xlink:label="us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear" xlink:to="lab_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear" xml:lang="en-US">Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear" xml:lang="en-US">Health care cost trend rate assumed for next year</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate" xlink:label="us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate" xlink:to="lab_DefinedBenefitPlanUltimateHealthCareCostTrendRate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanUltimateHealthCareCostTrendRate" xml:lang="en-US">Defined Benefit Plan, Ultimate Health Care Cost Trend Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanUltimateHealthCareCostTrendRate" xml:lang="en-US">Rate to which the cost trend rate is assumed to decline</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents" xml:lang="en-US">Effect on interest cost plus service cost, 1% increase</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents" xml:lang="en-US">Effect on interest cost plus service cost, 1% decrease</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation" xlink:to="lab_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation" xml:lang="en-US">Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation" xml:lang="en-US">Effect on postretirement benefit obligation, 1% increase</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation" xml:lang="en-US">Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation" xml:lang="en-US">Effect on postretirement benefit obligation, 1% decrease</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedAbstract" xlink:label="life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedAbstract_lbl" xml:lang="en-US">Estimated Future Employer Contributions Gross Expected Benefit Payments and Gross Amount of Annual Medicare Part D Federal Subsidy Expected to be Received [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedAbstract_lbl" xml:lang="en-US">Estimated future employer contributions, gross expected benefit payments, and gross amount of annual Medicare Part D federal subsidy expected to be received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedAbstract_lbl" xml:lang="en-US">Estimated future employer contributions, gross expected benefit payments, and gross amount of annual Medicare Part D federal subsidy expected to be received.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear" xlink:label="us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear" xlink:to="lab_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear" xml:lang="en-US">Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear" xml:lang="en-US">Employer Contributions 2012</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" xlink:label="us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" xlink:to="lab_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" xml:lang="en-US">Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" xml:lang="en-US">Expected Benefit Payments</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne" xlink:to="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments in Year One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne" xml:lang="en-US">2012</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo" xlink:to="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments in Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo" xml:lang="en-US">2013</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree" xlink:to="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments in Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree" xml:lang="en-US">2014</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour" xlink:to="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments in Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour" xml:lang="en-US">2015</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive" xlink:to="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments in Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive" xml:lang="en-US">2016</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter" xlink:to="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter" xml:lang="en-US">2017 and thereafter</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DisclosureOfExpectedGrossPrescriptionDrugSubsidyReceiptsAbstract" xlink:label="us-gaap_DisclosureOfExpectedGrossPrescriptionDrugSubsidyReceiptsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfExpectedGrossPrescriptionDrugSubsidyReceiptsAbstract" xlink:to="lab_DisclosureOfExpectedGrossPrescriptionDrugSubsidyReceiptsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DisclosureOfExpectedGrossPrescriptionDrugSubsidyReceiptsAbstract" xml:lang="en-US">Disclosure of Expected Gross Prescription Drug Subsidy Receipts [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DisclosureOfExpectedGrossPrescriptionDrugSubsidyReceiptsAbstract" xml:lang="en-US">Expected Federal Subsidy Receipts</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrescriptionDrugSubsidyReceiptsYearOne" xlink:label="us-gaap_PrescriptionDrugSubsidyReceiptsYearOne" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrescriptionDrugSubsidyReceiptsYearOne" xlink:to="lab_PrescriptionDrugSubsidyReceiptsYearOne" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PrescriptionDrugSubsidyReceiptsYearOne" xml:lang="en-US">Prescription Drug Subsidy Receipts, Year One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PrescriptionDrugSubsidyReceiptsYearOne" xml:lang="en-US">2012</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrescriptionDrugSubsidyReceiptsYearTwo" xlink:label="us-gaap_PrescriptionDrugSubsidyReceiptsYearTwo" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrescriptionDrugSubsidyReceiptsYearTwo" xlink:to="lab_PrescriptionDrugSubsidyReceiptsYearTwo" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PrescriptionDrugSubsidyReceiptsYearTwo" xml:lang="en-US">Prescription Drug Subsidy Receipts, Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PrescriptionDrugSubsidyReceiptsYearTwo" xml:lang="en-US">2013</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrescriptionDrugSubsidyReceiptsYearThree" xlink:label="us-gaap_PrescriptionDrugSubsidyReceiptsYearThree" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrescriptionDrugSubsidyReceiptsYearThree" xlink:to="lab_PrescriptionDrugSubsidyReceiptsYearThree" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PrescriptionDrugSubsidyReceiptsYearThree" xml:lang="en-US">Prescription Drug Subsidy Receipts, Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PrescriptionDrugSubsidyReceiptsYearThree" xml:lang="en-US">2014</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrescriptionDrugSubsidyReceiptsYearFour" xlink:label="us-gaap_PrescriptionDrugSubsidyReceiptsYearFour" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrescriptionDrugSubsidyReceiptsYearFour" xlink:to="lab_PrescriptionDrugSubsidyReceiptsYearFour" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PrescriptionDrugSubsidyReceiptsYearFour" xml:lang="en-US">Prescription Drug Subsidy Receipts, Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PrescriptionDrugSubsidyReceiptsYearFour" xml:lang="en-US">2015</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrescriptionDrugSubsidyReceiptsYearFive" xlink:label="us-gaap_PrescriptionDrugSubsidyReceiptsYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrescriptionDrugSubsidyReceiptsYearFive" xlink:to="lab_PrescriptionDrugSubsidyReceiptsYearFive" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PrescriptionDrugSubsidyReceiptsYearFive" xml:lang="en-US">Prescription Drug Subsidy Receipts, Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PrescriptionDrugSubsidyReceiptsYearFive" xml:lang="en-US">2016</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrescriptionDrugSubsidyReceiptsFiveFiscalYearsThereafter" xlink:label="us-gaap_PrescriptionDrugSubsidyReceiptsFiveFiscalYearsThereafter" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrescriptionDrugSubsidyReceiptsFiveFiscalYearsThereafter" xlink:to="lab_PrescriptionDrugSubsidyReceiptsFiveFiscalYearsThereafter" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PrescriptionDrugSubsidyReceiptsFiveFiscalYearsThereafter" xml:lang="en-US">Prescription Drug Subsidy Receipts, Five Fiscal Years Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PrescriptionDrugSubsidyReceiptsFiveFiscalYearsThereafter" xml:lang="en-US">2017 and thereafter</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedTableTextBlock" xlink:label="life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedTableTextBlock" xlink:to="life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedTableTextBlock_lbl" xml:lang="en-US">Estimated Future Employer Contributions Gross Expected Benefit Payments and Gross Amount of Annual Medicare Part D Federal Subsidy Expected to be Received [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedTableTextBlock_lbl" xml:lang="en-US">Estimated future employer contributions, gross expected benefit payments, and gross amount of annual Medicare Part D federal subsidy expected to be received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EstimatedFutureEmployerContributionsGrossExpectedBenefitPaymentsAndGrossAmountOfAnnualMedicarePartDFederalSubsidyExpectedToBeReceivedTableTextBlock_lbl" xml:lang="en-US">Estimated future employer contributions, gross expected benefit payments, and gross amount of annual Medicare Part D federal subsidy expected to be received.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EmployeeBenefitPlansTextualAbstract" xlink:label="life_EmployeeBenefitPlansTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EmployeeBenefitPlansTextualAbstract" xlink:to="life_EmployeeBenefitPlansTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EmployeeBenefitPlansTextualAbstract_lbl" xml:lang="en-US">Employee Benefit Plans (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EmployeeBenefitPlansTextualAbstract_lbl" xml:lang="en-US">Employee Benefit Plans (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EmployeeBenefitPlansTextualAbstract_lbl" xml:lang="en-US">Employee benefit plans.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PercentageOfSalaryContributionsForParticipantsMaximum" xlink:label="life_PercentageOfSalaryContributionsForParticipantsMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PercentageOfSalaryContributionsForParticipantsMaximum" xlink:to="life_PercentageOfSalaryContributionsForParticipantsMaximum_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PercentageOfSalaryContributionsForParticipantsMaximum_lbl" xml:lang="en-US">Percentage of Salary Contributions for Participants Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PercentageOfSalaryContributionsForParticipantsMaximum_lbl" xml:lang="en-US">percentage of salary contributions for participants, maximum.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PercentageOfSalaryContributionsForParticipantsMaximum_lbl" xml:lang="en-US">Percentage of salary contributions for participants, maximum</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ContributionToPlanNetOfForfeiture" xlink:label="life_ContributionToPlanNetOfForfeiture" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ContributionToPlanNetOfForfeiture" xlink:to="life_ContributionToPlanNetOfForfeiture_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ContributionToPlanNetOfForfeiture_lbl" xml:lang="en-US">Contribution to Plan Net of Forfeiture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ContributionToPlanNetOfForfeiture_lbl" xml:lang="en-US">Contribution to plan net of forfeiture.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ContributionToPlanNetOfForfeiture_lbl" xml:lang="en-US">Contribution to plan net of forfeiture</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AssetsAndLiabilitiesCorrespondToPlan" xlink:label="life_AssetsAndLiabilitiesCorrespondToPlan" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AssetsAndLiabilitiesCorrespondToPlan" xlink:to="life_AssetsAndLiabilitiesCorrespondToPlan_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AssetsAndLiabilitiesCorrespondToPlan_lbl" xml:lang="en-US">Assets and Liabilities Correspond to Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AssetsAndLiabilitiesCorrespondToPlan_lbl" xml:lang="en-US">Assets And Liabilities Correspond to Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AssetsAndLiabilitiesCorrespondToPlan_lbl" xml:lang="en-US">Assets and liabilities correspond to plan.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PercentageOfDomesticCoreCommingledTrustsToDomesticFixedIncomeCommingledTrusts" xlink:label="life_PercentageOfDomesticCoreCommingledTrustsToDomesticFixedIncomeCommingledTrusts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PercentageOfDomesticCoreCommingledTrustsToDomesticFixedIncomeCommingledTrusts" xlink:to="life_PercentageOfDomesticCoreCommingledTrustsToDomesticFixedIncomeCommingledTrusts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PercentageOfDomesticCoreCommingledTrustsToDomesticFixedIncomeCommingledTrusts_lbl" xml:lang="en-US">Percentage of Domestic Core Commingled Trusts to Domestic Fixed Income Commingled Trusts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PercentageOfDomesticCoreCommingledTrustsToDomesticFixedIncomeCommingledTrusts_lbl" xml:lang="en-US">Percentage of domestic core commingled trusts to domestic fixed income commingled trusts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PercentageOfDomesticCoreCommingledTrustsToDomesticFixedIncomeCommingledTrusts_lbl" xml:lang="en-US">Percentage of domestic core commingled trusts to domestic fixed income commingled trusts</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PercentageOfPassiveCommingledTrustsToDomesticFixedIncomeCommingledTrusts" xlink:label="life_PercentageOfPassiveCommingledTrustsToDomesticFixedIncomeCommingledTrusts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PercentageOfPassiveCommingledTrustsToDomesticFixedIncomeCommingledTrusts" xlink:to="life_PercentageOfPassiveCommingledTrustsToDomesticFixedIncomeCommingledTrusts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PercentageOfPassiveCommingledTrustsToDomesticFixedIncomeCommingledTrusts_lbl" xml:lang="en-US">Percentage of Passive Commingled Trusts to Domestic Fixed Income Commingled Trusts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PercentageOfPassiveCommingledTrustsToDomesticFixedIncomeCommingledTrusts_lbl" xml:lang="en-US">Percentage of passive commingled trusts to domestic fixed income commingled trusts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PercentageOfPassiveCommingledTrustsToDomesticFixedIncomeCommingledTrusts_lbl" xml:lang="en-US">Percentage of passive commingled trusts to domestic fixed income commingled trusts</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_MatchingContributionByCompany" xlink:label="life_MatchingContributionByCompany" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_MatchingContributionByCompany" xlink:to="life_MatchingContributionByCompany_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_MatchingContributionByCompany_lbl" xml:lang="en-US">Matching Contribution by Company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_MatchingContributionByCompany_lbl" xml:lang="en-US">Matching contribution by company for each dollar contributed by employee under the plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_MatchingContributionByCompany_lbl" xml:lang="en-US">Matching contribution by company.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquitySecurities" xlink:label="us-gaap_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquitySecurities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquitySecurities" xlink:to="lab_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquitySecurities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquitySecurities" xml:lang="en-US">Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquitySecurities" xml:lang="en-US">Weighted target asset allocations for equity</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecurities" xlink:label="us-gaap_DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecurities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecurities" xlink:to="lab_DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecurities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecurities" xml:lang="en-US">Defined Benefit Plan, Target Allocation Percentage of Assets, Debt Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecurities" xml:lang="en-US">Weighted target asset allocations for fixed income</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DomesticPensionPlanAndPostretirementPlansMember" xlink:label="life_DomesticPensionPlanAndPostretirementPlansMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DomesticPensionPlanAndPostretirementPlansMember" xlink:to="life_DomesticPensionPlanAndPostretirementPlansMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DomesticPensionPlanAndPostretirementPlansMember_lbl" xml:lang="en-US">Domestic Pension Plan And Postretirement Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DomesticPensionPlanAndPostretirementPlansMember_lbl" xml:lang="en-US">Domestic Pension Plan And Postretirement Plans Member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DomesticPensionPlanAndPostretirementPlansMember_lbl" xml:lang="en-US">Domestic Pension Plan &amp; Postretirement Plans [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DomesticPensionPlanWhichProvidesBenefitsBasedUponPercentageOfEmployeesHighestAverageCompensation" xlink:label="life_DomesticPensionPlanWhichProvidesBenefitsBasedUponPercentageOfEmployeesHighestAverageCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DomesticPensionPlanWhichProvidesBenefitsBasedUponPercentageOfEmployeesHighestAverageCompensation" xlink:to="life_DomesticPensionPlanWhichProvidesBenefitsBasedUponPercentageOfEmployeesHighestAverageCompensation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DomesticPensionPlanWhichProvidesBenefitsBasedUponPercentageOfEmployeesHighestAverageCompensation_lbl" xml:lang="en-US">Domestic Pension Plan Which Provides Benefits Based Upon Percentage of Employees Highest Average Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DomesticPensionPlanWhichProvidesBenefitsBasedUponPercentageOfEmployeesHighestAverageCompensation_lbl" xml:lang="en-US">Domestic pension plan which provides benefits based upon a percentage of employee's highest average compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DomesticPensionPlanWhichProvidesBenefitsBasedUponPercentageOfEmployeesHighestAverageCompensation_lbl" xml:lang="en-US">Domestic pension plan which provides benefits based upon a percentage of employee's highest average compensation</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyTableTextBlock" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyTableTextBlock" xlink:to="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyTableTextBlock_lbl" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions and Methodology [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyTableTextBlock_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award fair value assumptions and methodology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyTableTextBlock_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award fair value assumptions and methodology.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ShareBasedCompensationMember" xlink:label="life_ShareBasedCompensationMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ShareBasedCompensationMember" xlink:to="life_ShareBasedCompensationMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ShareBasedCompensationMember_lbl" xml:lang="en-US">Share Based Compensation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationMember_lbl" xml:lang="en-US">Share based compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareBasedCompensationMember_lbl" xml:lang="en-US">Share based compensation [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherResearchAndDevelopmentExpenseMember" xlink:label="us-gaap_OtherResearchAndDevelopmentExpenseMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherResearchAndDevelopmentExpenseMember" xlink:to="lab_OtherResearchAndDevelopmentExpenseMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherResearchAndDevelopmentExpenseMember" xml:lang="en-US">Other Research and Development Expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherResearchAndDevelopmentExpenseMember" xml:lang="en-US">Research and development [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SummaryOfEmployeeStockOptionActivityAbstract" xlink:label="life_SummaryOfEmployeeStockOptionActivityAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SummaryOfEmployeeStockOptionActivityAbstract" xlink:to="life_SummaryOfEmployeeStockOptionActivityAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SummaryOfEmployeeStockOptionActivityAbstract_lbl" xml:lang="en-US">Summary of Employee Stock Option Activity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SummaryOfEmployeeStockOptionActivityAbstract_lbl" xml:lang="en-US">Summary of employee stock option activity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SummaryOfEmployeeStockOptionActivityAbstract_lbl" xml:lang="en-US">Summary of Employee Stock Option Activity</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" xml:lang="en-US">Aggregate Intrinsic Value, Vested and exercisable at December 31, 2011</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OutstandingOptionsWeightedAverageRemainingContractualTerm" xlink:label="life_OutstandingOptionsWeightedAverageRemainingContractualTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OutstandingOptionsWeightedAverageRemainingContractualTerm" xlink:to="life_OutstandingOptionsWeightedAverageRemainingContractualTerm_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OutstandingOptionsWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Outstanding Options Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="life_OutstandingOptionsWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Weighted average remaining contractual term Outstanding at December 31, 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="life_OutstandingOptionsWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Weighted average remaining contractual term Outstanding at December 31, 2010</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OutstandingOptionsWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Outstanding Options Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OutstandingOptionsWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Outstanding options weighted average remaining contractual term.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xml:lang="en-US">Weighted Average Exercise Price Per Share, Vested and exercisable at December 31, 2011</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Weighted Average Exercise Price Per Share, Outstanding at December 31, 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Weighted Average Exercise Price Per Share, Outstanding at December 31, 2010</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payments Award Options Forfeitures in Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Weighted Average Exercise Price Per Share, Cancelled</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share Based Payments Award Options Forfeitures In Period Weighted Average Exercise Price.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payments Award Options Grants in Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Weighted Average Exercise Price Per Share, Granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share based compensation arrangement by share based payments award options grants in period weighted average exercise price.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Options, Outstanding at December 31, 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Options, Outstanding at December 31, 2010</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xml:lang="en-US">Options, Granted</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="lab_StockIssuedDuringPeriodSharesStockOptionsExercised" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodSharesStockOptionsExercised" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodSharesStockOptionsExercised" xml:lang="en-US">Options, Exercised</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xml:lang="en-US">Options, Cancelled</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xml:lang="en-US">Options, Vested and exercisable at December 31, 2011</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SummarizesActivityByAssetCategoryForCompanyFundedPensionPlansTableTextBlock" xlink:label="life_SummarizesActivityByAssetCategoryForCompanyFundedPensionPlansTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SummarizesActivityByAssetCategoryForCompanyFundedPensionPlansTableTextBlock" xlink:to="life_SummarizesActivityByAssetCategoryForCompanyFundedPensionPlansTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SummarizesActivityByAssetCategoryForCompanyFundedPensionPlansTableTextBlock_lbl" xml:lang="en-US">Summarizes Activity by Asset Category for Company Funded Pension Plans [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SummarizesActivityByAssetCategoryForCompanyFundedPensionPlansTableTextBlock_lbl" xml:lang="en-US">Summarizes activity by asset category for company funded pension plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SummarizesActivityByAssetCategoryForCompanyFundedPensionPlansTableTextBlock_lbl" xml:lang="en-US">Summarizes activity by asset category for company funded pension plans.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_WeightedAverageAssumedHealthCareCostTrendRatesTableTextBlock" xlink:label="life_WeightedAverageAssumedHealthCareCostTrendRatesTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_WeightedAverageAssumedHealthCareCostTrendRatesTableTextBlock" xlink:to="life_WeightedAverageAssumedHealthCareCostTrendRatesTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_WeightedAverageAssumedHealthCareCostTrendRatesTableTextBlock_lbl" xml:lang="en-US">Weighted Average Assumed Health Care Cost Trend Rates [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_WeightedAverageAssumedHealthCareCostTrendRatesTableTextBlock_lbl" xml:lang="en-US">Weighted average assumed health care cost trend rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_WeightedAverageAssumedHealthCareCostTrendRatesTableTextBlock_lbl" xml:lang="en-US">Weighted average assumed health care cost trend rates.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_WeightedAverageAssumedHealthCareCostTrendRatesOnPostretirementPlansTableTextBlock" xlink:label="life_WeightedAverageAssumedHealthCareCostTrendRatesOnPostretirementPlansTableTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_WeightedAverageAssumedHealthCareCostTrendRatesOnPostretirementPlansTableTextBlock_lbl" xml:lang="en-US">Weighted Average Assumed Health Care Cost Trend Rates on Postretirement Plans [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_WeightedAverageAssumedHealthCareCostTrendRatesOnPostretirementPlansTableTextBlock_lbl" xml:lang="en-US">Weighted average assumed health care cost trend rates on postretirement plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_WeightedAverageAssumedHealthCareCostTrendRatesOnPostretirementPlansTableTextBlock_lbl" xml:lang="en-US">Weighted average assumed health care cost trend rates on postretirement plans.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="us-gaap_RestrictedStockUnitsRSUMember" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RestrictedStockUnitsRSUMember" xml:lang="en-US">Restricted Stock Units (RSUs) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RestrictedStockUnitsRSUMember" xml:lang="en-US">Restricted Stock Units [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ShareBasedCompensationExpenseBenefitForRestrictedStockUnitsAbstract" xlink:label="life_ShareBasedCompensationExpenseBenefitForRestrictedStockUnitsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ShareBasedCompensationExpenseBenefitForRestrictedStockUnitsAbstract" xlink:to="life_ShareBasedCompensationExpenseBenefitForRestrictedStockUnitsAbstract_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationExpenseBenefitForRestrictedStockUnitsAbstract_lbl" xml:lang="en-US">Share-based compensation expense (benefit) for restricted stock units.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareBasedCompensationExpenseBenefitForRestrictedStockUnitsAbstract_lbl" xml:lang="en-US">Share-based compensation expense (benefit) for restricted stock units</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SummaryOfRestrictedStockUnitsActivityAbstract" xlink:label="life_SummaryOfRestrictedStockUnitsActivityAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SummaryOfRestrictedStockUnitsActivityAbstract_lbl" xml:lang="en-US">Summary of Restricted Stock Units Activity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SummaryOfRestrictedStockUnitsActivityAbstract_lbl" xml:lang="en-US">Summary of restricted stock units activity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SummaryOfRestrictedStockUnitsActivityAbstract_lbl" xml:lang="en-US">Summary of restricted stock units activity</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Restricted Stock Units , Outstanding at December 31, 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Restricted Stock Units , Outstanding at December 31, 2010</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xml:lang="en-US">Restricted Stock Units, Granted</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod" xlink:to="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod_lbl" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other Than Options Exercised in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod_lbl" xml:lang="en-US">Restricted Stock Units, Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod_lbl" xml:lang="en-US">Restricted Stock Units, Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award equity instruments other than options exercised in period.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageRemainingContractualTermInYears_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award equity instruments other than options nonvested weighted average remaining contractual term in years.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageRemainingContractualTermInYears_lbl" xml:lang="en-US">Weighted Average Remaining Contractual Term in Years, Vested at December 31, 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageRemainingContractualTermInYears_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award equity instruments other than options vested in period weighted average remaining contractual term in years.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award equity instruments other than options nonvested intrinsic value.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardEquityInstrumentsOtherThanOptionsVestedInPeriodIntrinsicValue" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardEquityInstrumentsOtherThanOptionsVestedInPeriodIntrinsicValue" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardEquityInstrumentsOtherThanOptionsVestedInPeriodIntrinsicValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payments Award Equity Instruments Other Than Options Vested in Period Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardEquityInstrumentsOtherThanOptionsVestedInPeriodIntrinsicValue_lbl" xml:lang="en-US">Aggregate Intrinsic Value, Vested at December 31, 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardEquityInstrumentsOtherThanOptionsVestedInPeriodIntrinsicValue_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award equity instruments other than options vested in period intrinsic value.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PlanFourMember" xlink:label="life_PlanFourMember" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xml:lang="en-US">Shares reserved for granting of new awards under the 2009 Plan of the Company's common stock</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xml:lang="en-US">Granting of shares under stock options, stock appreciation rights, restricted stock awards, restricted stock units, performance awards and deferred stock awards maximum</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OtherNonCurrentAssetsMember_lbl" xml:lang="en-US">Other Non Current Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OtherNonCurrentAssetsMember_lbl" xml:lang="en-US">Other Non Current Assets Member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OtherNonCurrentAssetsMember_lbl" xml:lang="en-US">Other assets [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OtherLongTermObligationsMember" xlink:label="life_OtherLongTermObligationsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OtherLongTermObligationsMember" xlink:to="life_OtherLongTermObligationsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OtherLongTermObligationsMember_lbl" xml:lang="en-US">Other Long Term Obligations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OtherLongTermObligationsMember_lbl" xml:lang="en-US">Other Long Term Obligations Member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OtherLongTermObligationsMember_lbl" xml:lang="en-US">Other Long Term Obligations [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ForwardStartingInterestRateSwapContractsMember" xlink:label="life_ForwardStartingInterestRateSwapContractsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ForwardStartingInterestRateSwapContractsMember" xlink:to="life_ForwardStartingInterestRateSwapContractsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ForwardStartingInterestRateSwapContractsMember_lbl" xml:lang="en-US">Forward Starting Interest Rate Swap Contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ForwardStartingInterestRateSwapContractsMember_lbl" xml:lang="en-US">Forward Starting Interest Rate Swap Contracts Member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ForwardStartingInterestRateSwapContractsMember_lbl" xml:lang="en-US">Forward Starting Interest Rate Swap Contracts [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="us-gaap_InterestExpenseMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseMember" xlink:to="lab_InterestExpenseMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestExpenseMember" xml:lang="en-US">Interest Expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestExpenseMember" xml:lang="en-US">Interest Expense [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_NetProceedsFromForwardInterestRateSwapsInAccumulatedOtherComprehensiveIncome" xlink:label="life_NetProceedsFromForwardInterestRateSwapsInAccumulatedOtherComprehensiveIncome" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_NetProceedsFromForwardInterestRateSwapsInAccumulatedOtherComprehensiveIncome" xlink:to="life_NetProceedsFromForwardInterestRateSwapsInAccumulatedOtherComprehensiveIncome_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_NetProceedsFromForwardInterestRateSwapsInAccumulatedOtherComprehensiveIncome_lbl" xml:lang="en-US">Net Proceeds from Forward Interest Rate Swaps in Accumulated Other Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_NetProceedsFromForwardInterestRateSwapsInAccumulatedOtherComprehensiveIncome_lbl" xml:lang="en-US">Net Proceeds From Forward Interest Rate Swaps In Accumulated Other Comprehensive Income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_NetProceedsFromForwardInterestRateSwapsInAccumulatedOtherComprehensiveIncome_lbl" xml:lang="en-US">Total Proceeds From Forward Interest Rate Swaps In Accumulated Other Comprehensive Income (AOCI)</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringReserveCurrent" xlink:label="us-gaap_RestructuringReserveCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringReserveCurrent" xlink:to="lab_RestructuringReserveCurrent" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="lab_SubsequentEventTypeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SubsequentEventTypeAxis" xml:lang="en-US">Subsequent Event Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="lab_SubsequentEventTypeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SubsequentEventTypeDomain" xml:lang="en-US">Subsequent Event Type [Domain]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SupplementalDisclosureOfCashFlowInformationAbstract" xlink:label="life_SupplementalDisclosureOfCashFlowInformationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SupplementalDisclosureOfCashFlowInformationAbstract" xlink:to="life_SupplementalDisclosureOfCashFlowInformationAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SupplementalDisclosureOfCashFlowInformationAbstract_lbl" xml:lang="en-US">Supplemental Disclosure of Cash Flow Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SupplementalDisclosureOfCashFlowInformationAbstract_lbl" xml:lang="en-US">Supplemental disclosure of cash flow information.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SupplementalDisclosureOfCashFlowInformationAbstract_lbl" xml:lang="en-US">Supplemental disclosure of cash flow information</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestPaid" xlink:label="us-gaap_InterestPaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaid" xlink:to="lab_InterestPaid" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestPaid" xml:lang="en-US">Interest Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_InterestPaid" xml:lang="en-US">Interest Paid, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestPaid" xml:lang="en-US">Cash paid for interest</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="us-gaap_IncomeTaxesPaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaid" xlink:to="lab_IncomeTaxesPaid" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxesPaid" xml:lang="en-US">Income Taxes Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxesPaid" xml:lang="en-US">Cash paid for income taxes</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:to="lab_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xml:lang="en-US">Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xml:lang="en-US">Valuation and Qualifying Accounts</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryValuationReserveMember" xlink:label="us-gaap_InventoryValuationReserveMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryValuationReserveMember" xlink:to="lab_InventoryValuationReserveMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InventoryValuationReserveMember" xml:lang="en-US">Inventory Valuation Reserve [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InventoryValuationReserveMember" xml:lang="en-US">Allowance for Inventory Accounts [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessRestructuringReservesMember" xlink:label="us-gaap_BusinessRestructuringReservesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessRestructuringReservesMember" xlink:to="lab_BusinessRestructuringReservesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessRestructuringReservesMember" xml:lang="en-US">Business Restructuring Reserves [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessRestructuringReservesMember" xml:lang="en-US">Restructuring Accrual [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WarrantyReservesMember" xlink:label="us-gaap_WarrantyReservesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantyReservesMember" xlink:to="lab_WarrantyReservesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WarrantyReservesMember" xml:lang="en-US">Warranty Reserves [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WarrantyReservesMember" xml:lang="en-US">Product Warranties [Member]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesBalance" xlink:to="lab_ValuationAllowancesAndReservesBalance" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:to="lab_ValuationAllowancesAndReservesChargedToCostAndExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesChargedToCostAndExpense" xml:lang="en-US">Valuation Allowances and Reserves, Charged to Cost and Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ValuationAllowancesAndReservesChargedToCostAndExpense" xml:lang="en-US">Valuation Allowances and Reserves, Charged to Cost and Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ValuationAllowancesAndReservesChargedToCostAndExpense" xml:lang="en-US">Net Additions Charged (Credited) to Expense</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesReservesOfBusinessesAcquired" xlink:label="us-gaap_ValuationAllowancesAndReservesReservesOfBusinessesAcquired" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesReservesOfBusinessesAcquired" xlink:to="lab_ValuationAllowancesAndReservesReservesOfBusinessesAcquired" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesReservesOfBusinessesAcquired" xml:lang="en-US">Valuation Allowances and Reserves, Reserves of Businesses Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ValuationAllowancesAndReservesReservesOfBusinessesAcquired" xml:lang="en-US">Valuation Allowances and Reserves, Reserves of Businesses Acquired, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ValuationAllowancesAndReservesReservesOfBusinessesAcquired" xml:lang="en-US">Additions Acquired (Excess Reserve Reductions) from Business Combinations</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="us-gaap_ValuationAllowancesAndReservesDeductions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesDeductions" xlink:to="lab_ValuationAllowancesAndReservesDeductions" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesDeductions" xml:lang="en-US">Valuation Allowances and Reserves, Deductions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ValuationAllowancesAndReservesDeductions" xml:lang="en-US">Valuation Allowances and Reserves, Deductions, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ValuationAllowancesAndReservesDeductions" xml:lang="en-US">Deductions</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesAdjustments" xlink:label="us-gaap_ValuationAllowancesAndReservesAdjustments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesAdjustments" xlink:to="lab_ValuationAllowancesAndReservesAdjustments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesAdjustments" xml:lang="en-US">Valuation Allowances and Reserves, Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ValuationAllowancesAndReservesAdjustments" xml:lang="en-US">Valuation Allowances and Reserves, Adjustments, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ValuationAllowancesAndReservesAdjustments" xml:lang="en-US">Foreign Currency Effect on Translation</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_NetAdditionsChargedToExpenseForBusinessIntegrationCostsAbstract" xlink:label="life_NetAdditionsChargedToExpenseForBusinessIntegrationCostsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_NetAdditionsChargedToExpenseForBusinessIntegrationCostsAbstract" xlink:to="life_NetAdditionsChargedToExpenseForBusinessIntegrationCostsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_NetAdditionsChargedToExpenseForBusinessIntegrationCostsAbstract_lbl" xml:lang="en-US">Net Additions Charged to Expense for Business Integration Costs [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_NetAdditionsChargedToExpenseForBusinessIntegrationCostsAbstract_lbl" xml:lang="en-US">Net additions charged to expense for business integration costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_NetAdditionsChargedToExpenseForBusinessIntegrationCostsAbstract_lbl" xml:lang="en-US">Net additions charged to expense for business integration costs</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessConsolidationCosts" xlink:label="life_BusinessConsolidationCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessConsolidationCosts" xlink:to="life_BusinessConsolidationCosts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessConsolidationCosts_lbl" xml:lang="en-US">Business Consolidation Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="life_BusinessConsolidationCosts_lbl" xml:lang="en-US">Total business consolidation costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessConsolidationCosts_lbl" xml:lang="en-US">Total business consolidation costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessConsolidationCosts_lbl" xml:lang="en-US">Total business consolidation costs.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="us-gaap_ValuationAndQualifyingAccountsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:to="lab_ValuationAndQualifyingAccountsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAndQualifyingAccountsAbstract" xml:lang="en-US">Valuation and Qualifying Accounts [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:to="lab_ValuationAndQualifyingAccountsDisclosureTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAndQualifyingAccountsDisclosureTable" xml:lang="en-US">Valuation and Qualifying Accounts Disclosure [Table]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:to="lab_ValuationAllowancesAndReservesTypeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesTypeAxis" xml:lang="en-US">Valuation Allowances and Reserves Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="lab_ValuationAllowancesAndReservesDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesDomain" xml:lang="en-US">Valuation Allowances and Reserves [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="lab_ValuationAndQualifyingAccountsDisclosureLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAndQualifyingAccountsDisclosureLineItems" xml:lang="en-US">Valuation and Qualifying Accounts Disclosure [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="us-gaap_MovementInValuationAllowancesAndReservesRollForward" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:to="lab_MovementInValuationAllowancesAndReservesRollForward" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MovementInValuationAllowancesAndReservesRollForward" xml:lang="en-US">Movement in Valuation Allowances and Reserves [Roll Forward]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SupplementalCashFlowElementsAbstract" xlink:label="us-gaap_SupplementalCashFlowElementsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_QuarterlyFinancialInformationDisclosureAbstract" xml:lang="en-US">Quarterly Financial Data [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SubsequentEventsTextBlock" xml:lang="en-US">Subsequent Events [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SubsequentEventsTextBlock" xml:lang="en-US">SUBSEQUENT EVENTS</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingPolicyPolicyTextBlock" xml:lang="en-US">Segment Reporting, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingPolicyPolicyTextBlock" xml:lang="en-US">Segment Information</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:to="lab_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xml:lang="en-US">Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xml:lang="en-US">Restricted Cash and Related Liabilities</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExtendedProductWarrantyPolicy" xlink:label="us-gaap_ExtendedProductWarrantyPolicy" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtendedProductWarrantyPolicy" xlink:to="lab_ExtendedProductWarrantyPolicy" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ExtendedProductWarrantyPolicy" xml:lang="en-US">Extended Product Warranty, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ExtendedProductWarrantyPolicy" xml:lang="en-US">Product Warranties</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentsPolicy" xlink:label="us-gaap_EquityMethodInvestmentsPolicy" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentsPolicy" xlink:to="lab_EquityMethodInvestmentsPolicy" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentsPolicy" xml:lang="en-US">Equity Method Investments, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentsPolicy" xml:lang="en-US">Adoption of ASC Topic 323 and its impact</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock" xlink:label="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock" xlink:to="lab_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:to="lab_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xml:lang="en-US">Estimated amortization expense for amortizable intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfGoodwillTextBlock" xlink:to="lab_ScheduleOfGoodwillTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfGoodwillTextBlock" xml:lang="en-US">Schedule of Goodwill [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfGoodwillTextBlock" xml:lang="en-US">Changes in the carrying amount of goodwill</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xml:lang="en-US">Future Minimum Lease Commitments and Sub Lease Rentals for Operating Leases</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OtherIntangibleAssetsPolicyTextBlock" xlink:label="life_OtherIntangibleAssetsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OtherIntangibleAssetsPolicyTextBlock" xlink:to="life_OtherIntangibleAssetsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OtherIntangibleAssetsPolicyTextBlock_lbl" xml:lang="en-US">Other Intangible Assets [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OtherIntangibleAssetsPolicyTextBlock_lbl" xml:lang="en-US">Other intangible assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OtherIntangibleAssetsPolicyTextBlock_lbl" xml:lang="en-US">Other Intangible Assets</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AdditionalBusinessCombinationsAndDivestituresTextualAbstract" xlink:label="life_AdditionalBusinessCombinationsAndDivestituresTextualAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AdditionalBusinessCombinationsAndDivestituresTextualAbstract_lbl" xml:lang="en-US">Additional Business Combinations and Divestitures (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AdditionalBusinessCombinationsAndDivestituresTextualAbstract_lbl" xml:lang="en-US">Additional Business Combinations and Divestitures (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AdditionalBusinessCombinationsAndDivestituresTextualAbstract_lbl" xml:lang="en-US">Additional Business combinations and divestitures.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessCombinationsAndDivestituresTextualAbstract" xlink:label="life_BusinessCombinationsAndDivestituresTextualAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessCombinationsAndDivestituresTextualAbstract_lbl" xml:lang="en-US">Business combinations and Divestitures (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessCombinationsAndDivestituresTextualAbstract_lbl" xml:lang="en-US">Business combinations and divestitures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessCombinationsAndDivestituresTextualAbstract_lbl" xml:lang="en-US">Business combinations and Divestitures (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAbstract" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAbstract_lbl" xml:lang="en-US">Entity Wide Disclosure on Geographic Areas Revenue from External Customers Attributed to Entity's Country of Domicile [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAbstract_lbl" xml:lang="en-US">Americas:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAbstract_lbl" xml:lang="en-US">Entity wide disclosure on geographic areas revenue from external customers attributed to entity's Country of domicile.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountriesAbstract" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountriesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountriesAbstract" xlink:to="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountriesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountriesAbstract_lbl" xml:lang="en-US">Entity Wide Disclosure on Geographic Areas Long Lived Assets in Foreign Countries [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountriesAbstract_lbl" xml:lang="en-US">Europe:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountriesAbstract_lbl" xml:lang="en-US">Entity wide disclosure on geographic areas long lived assets in foreign countries.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesTableTextBlock" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesTableTextBlock" xlink:to="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesTableTextBlock_lbl" xml:lang="en-US">Entity Wide Disclosure on Geographic Areas Revenue from External Customers Attributed to Entity's Country of Domicile and Foreign Countries [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesTableTextBlock_lbl" xml:lang="en-US">Product and service sales to unrelated customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesTableTextBlock_lbl" xml:lang="en-US">Entity wide disclosure on geographic areas revenue from external customers attributed to entity's country of domicile and foreign countries.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesLineItems_lbl" xml:lang="en-US">Entity wide disclosure on geographic areas revenue from external customers attributed to entity's country of domicile and foreign countries.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesAbstract" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesAbstract_lbl" xml:lang="en-US">Entity Wide Disclosure on Geographic Areas Revenue from External Customers Attributed to Entity's Country of Domicile and Foreign Countries [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesAbstract_lbl" xml:lang="en-US">Product and service sales to unrelated customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountriesAbstract_lbl" xml:lang="en-US">Entity wide disclosure on geographic areas revenue from external customers attributed to entity's country of domicile and foreign countries.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EntityWideDisclosureOnGeographicAreasLongLivedAssetInEntitysCountryOfDomicileAndForeignCountriesTable" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetInEntitysCountryOfDomicileAndForeignCountriesTable" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetInEntitysCountryOfDomicileAndForeignCountriesTable_lbl" xml:lang="en-US">Entity Wide Disclosure on Geographic Areas Long Lived Asset in Entity's Country of Domicile and Foreign Countries [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetInEntitysCountryOfDomicileAndForeignCountriesTable_lbl" xml:lang="en-US">Entity wide disclosure on geographic areas long lived asset in entity's country of domicile and foreign countries.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EntityWideDisclosureOnGeographicAreasLongLivedAssetInEntitysCountryOfDomicileAndForeignCountriesLineItems" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetInEntitysCountryOfDomicileAndForeignCountriesLineItems" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetInEntitysCountryOfDomicileAndForeignCountriesLineItems_lbl" xml:lang="en-US">Entity wide disclosure on geographic areas long lived asset in entity's country of domicile and foreign countries.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetInEntitysCountryOfDomicileAndForeignCountriesAbstract_lbl" xml:lang="en-US">Entity Wide Disclosure on Geographic Areas Long Lived Asset in Entity's Country of Domicile and Foreign Countries [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetInEntitysCountryOfDomicileAndForeignCountriesAbstract_lbl" xml:lang="en-US">Entity wide disclosure on geographic areas long lived asset in entity's country of domicile and foreign countries.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicileAbstract" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicileAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicileAbstract" xlink:to="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicileAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicileAbstract_lbl" xml:lang="en-US">Entity Wide Disclosure on Geographic Areas Long Lived Assets in Entity's Country of Domicile [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicileAbstract_lbl" xml:lang="en-US">Americas:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicileAbstract_lbl" xml:lang="en-US">Entity wide disclosure on geographic areas long lived assets in entity's country of domicile.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountries" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountries" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountries" xlink:to="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountries_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountries_lbl" xml:lang="en-US">Entity Wide Disclosure on Geographic Areas Revenue from External Customers Attributed to Entity's Country of Domicile and Foreign Countries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountries_lbl" xml:lang="en-US">Total product and service revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicileAndForeignCountries_lbl" xml:lang="en-US">Entity Wide Disclosure on Geographic Areas Revenue from External Customers Attributed to Entity's Country of Domicile and Foreign Countries.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EntityWideDisclosureOnGeographicAreasOtherRevenueFromExternalCustomersAttributedToEntitys" xlink:label="life_EntityWideDisclosureOnGeographicAreasOtherRevenueFromExternalCustomersAttributedToEntitys" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EntityWideDisclosureOnGeographicAreasOtherRevenueFromExternalCustomersAttributedToEntitys" xlink:to="life_EntityWideDisclosureOnGeographicAreasOtherRevenueFromExternalCustomersAttributedToEntitys_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EntityWideDisclosureOnGeographicAreasOtherRevenueFromExternalCustomersAttributedToEntitys_lbl" xml:lang="en-US">Entity Wide Disclosure on Geographic Areas Other Revenue from External Customers Attributed to Entity's</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EntityWideDisclosureOnGeographicAreasOtherRevenueFromExternalCustomersAttributedToEntitys_lbl" xml:lang="en-US">Total other revenue</label>
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncomeLossBeforeIncomeTaxAbstract" xlink:label="life_IncomeLossBeforeIncomeTaxAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_IncomeLossBeforeIncomeTaxAbstract_lbl" xml:lang="en-US">Income Loss Before Income Tax [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IncomeLossBeforeIncomeTaxAbstract_lbl" xml:lang="en-US">Pretax income statement by region</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_IncomeLossBeforeIncomeTaxAbstract_lbl" xml:lang="en-US">Income loss before income tax.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncomeBeforeProvisionForIncomeTaxesDomestic" xlink:label="life_IncomeBeforeProvisionForIncomeTaxesDomestic" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_IncomeBeforeProvisionForIncomeTaxesDomestic_lbl" xml:lang="en-US">Income Before Provision for Income Taxes Domestic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IncomeBeforeProvisionForIncomeTaxesDomestic_lbl" xml:lang="en-US">United States</label>
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncomeBeforeProvisionForIncomeTaxesForeign" xlink:label="life_IncomeBeforeProvisionForIncomeTaxesForeign" />
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncomeBeforeProvisionForIncomeTaxes" xlink:label="life_IncomeBeforeProvisionForIncomeTaxes" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="life_IncomeBeforeProvisionForIncomeTaxes_lbl" xml:lang="en-US">Total pretax income</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2011/country-2011-01-31.xsd#country_IL" xlink:label="country_IL" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_IL" xlink:to="lab_IL" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IL" xml:lang="en-US">ISRAEL</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IL" xml:lang="en-US">Israel [Member]</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ApproximateNetOperatingLossCarryForwardsForeignExpireInFuturePeriod" xlink:label="life_ApproximateNetOperatingLossCarryForwardsForeignExpireInFuturePeriod" />
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DeferredProvision" xlink:label="life_DeferredProvision" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="life_DeferredProvision_lbl" xml:lang="en-US">Total Deferred provision</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DeferredProvision_lbl" xml:lang="en-US">Deferred provision.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_FutureMinimumAndGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsTableTextBlock" xlink:label="life_FutureMinimumAndGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsTableTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_FutureMinimumAndGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsTableTextBlock_lbl" xml:lang="en-US">Future Minimum Lease Commitments and Sub Lease Rentals for Operating Leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_FutureMinimumAndGuaranteedRoyaltiesAndUnconditionalPurchaseObligationsTableTextBlock_lbl" xml:lang="en-US">Future minimum and guaranteed royalties and unconditional purchase obligations.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanTransfersBetweenMeasurementLevels" xlink:label="us-gaap_DefinedBenefitPlanTransfersBetweenMeasurementLevels" />
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    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PercentageOfLargeCapInternationalFundsToPubliclyTradedInternationalFundsEquity" xlink:label="life_PercentageOfLargeCapInternationalFundsToPubliclyTradedInternationalFundsEquity" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PercentageOfLargeCapInternationalFundsToPubliclyTradedInternationalFundsEquity_lbl" xml:lang="en-US">Percentage of Large Cap International Funds to Publicly Traded International Funds Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PercentageOfLargeCapInternationalFundsToPubliclyTradedInternationalFundsEquity_lbl" xml:lang="en-US">Percentage of Large-cap international funds to total publicly traded international funds, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PercentageOfLargeCapInternationalFundsToPubliclyTradedInternationalFundsEquity_lbl" xml:lang="en-US">Percentage of Large-cap international funds to total publicly traded international funds, equity.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PercentageOfLargeCapInternationalDiversifiedEmergingMarketsFundsToPubliclyTradedInternationalFundsEquitySecurities" xlink:label="life_PercentageOfLargeCapInternationalDiversifiedEmergingMarketsFundsToPubliclyTradedInternationalFundsEquitySecurities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PercentageOfLargeCapInternationalDiversifiedEmergingMarketsFundsToPubliclyTradedInternationalFundsEquitySecurities" xlink:to="life_PercentageOfLargeCapInternationalDiversifiedEmergingMarketsFundsToPubliclyTradedInternationalFundsEquitySecurities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PercentageOfLargeCapInternationalDiversifiedEmergingMarketsFundsToPubliclyTradedInternationalFundsEquitySecurities_lbl" xml:lang="en-US">Percentage of Large Cap International Diversified Emerging Markets Funds to Publicly Traded International Funds Equity Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PercentageOfLargeCapInternationalDiversifiedEmergingMarketsFundsToPubliclyTradedInternationalFundsEquitySecurities_lbl" xml:lang="en-US">Percentage of Large-cap International diversified emerging markets funds to total publicly traded international funds, equity securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PercentageOfLargeCapInternationalDiversifiedEmergingMarketsFundsToPubliclyTradedInternationalFundsEquitySecurities_lbl" xml:lang="en-US">Percentage of Large-cap International diversified emerging markets funds to total publicly traded international funds, equity securities.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xlink:label="us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xlink:to="lab_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xml:lang="en-US">Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xml:lang="en-US">Summary of employee stock option activity</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ShareBasedCompensationExpenseForRestrictedStockUnitsTableTextBlock" xlink:label="life_ShareBasedCompensationExpenseForRestrictedStockUnitsTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ShareBasedCompensationExpenseForRestrictedStockUnitsTableTextBlock" xlink:to="life_ShareBasedCompensationExpenseForRestrictedStockUnitsTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ShareBasedCompensationExpenseForRestrictedStockUnitsTableTextBlock_lbl" xml:lang="en-US">Share Based Compensation Expense for Restricted Stock Units [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareBasedCompensationExpenseForRestrictedStockUnitsTableTextBlock_lbl" xml:lang="en-US">Share-based compensation expense (benefit) for restricted stock units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationExpenseForRestrictedStockUnitsTableTextBlock_lbl" xml:lang="en-US">Total share-based compensation expense for restricted stock units.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SummaryOfRestrictedStockUnitsActivityTableTextBlock" xlink:label="life_SummaryOfRestrictedStockUnitsActivityTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SummaryOfRestrictedStockUnitsActivityTableTextBlock" xlink:to="life_SummaryOfRestrictedStockUnitsActivityTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SummaryOfRestrictedStockUnitsActivityTableTextBlock_lbl" xml:lang="en-US">Summary of Restricted Stock Units Activity [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SummaryOfRestrictedStockUnitsActivityTableTextBlock_lbl" xml:lang="en-US">Summary of restricted stock units activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SummaryOfRestrictedStockUnitsActivityTableTextBlock_lbl" xml:lang="en-US">Summary of restricted stock units activity.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:to="lab_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xml:lang="en-US">Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xml:lang="en-US">Share based compensation expense for employee stock options and purchase rights</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_CashReceivedFromPurchaseRights" xlink:label="life_CashReceivedFromPurchaseRights" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_CashReceivedFromPurchaseRights" xlink:to="life_CashReceivedFromPurchaseRights_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_CashReceivedFromPurchaseRights_lbl" xml:lang="en-US">Cash Received from Purchase Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_CashReceivedFromPurchaseRights_lbl" xml:lang="en-US">Total cash received from purchase rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_CashReceivedFromPurchaseRights_lbl" xml:lang="en-US">Total cash received from purchase rights.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SupplementalCashFlowInformationTableTextBlock" xlink:label="life_SupplementalCashFlowInformationTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SupplementalCashFlowInformationTableTextBlock" xlink:to="life_SupplementalCashFlowInformationTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SupplementalCashFlowInformationTableTextBlock_lbl" xml:lang="en-US">Supplemental Cash Flow Information [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SupplementalCashFlowInformationTableTextBlock_lbl" xml:lang="en-US">Supplemental disclosure of cash flow information</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SupplementalCashFlowInformationTableTextBlock_lbl" xml:lang="en-US">Supplemental cash flow information.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DisclosureOfQuarterlyFinancialInformationTableTextBlock" xlink:label="life_DisclosureOfQuarterlyFinancialInformationTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DisclosureOfQuarterlyFinancialInformationTableTextBlock" xlink:to="life_DisclosureOfQuarterlyFinancialInformationTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DisclosureOfQuarterlyFinancialInformationTableTextBlock_lbl" xml:lang="en-US">Disclosure of Quarterly Financial Information [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DisclosureOfQuarterlyFinancialInformationTableTextBlock_lbl" xml:lang="en-US">Quarterly Financial Data</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DisclosureOfQuarterlyFinancialInformationTableTextBlock_lbl" xml:lang="en-US">Disclosure of quarterly financial information.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_NetIncomePerCommonShareAttributableAbstract" xlink:label="life_NetIncomePerCommonShareAttributableAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_NetIncomePerCommonShareAttributableAbstract" xlink:to="life_NetIncomePerCommonShareAttributableAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_NetIncomePerCommonShareAttributableAbstract_lbl" xml:lang="en-US">Net Income Per Common Share Attributable [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_NetIncomePerCommonShareAttributableAbstract_lbl" xml:lang="en-US">Net income per common share attributable to Life Technologies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_NetIncomePerCommonShareAttributableAbstract_lbl" xml:lang="en-US">Net income per common share attributable.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AbTrustMember" xlink:label="life_AbTrustMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AbTrustMember" xlink:to="life_AbTrustMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AbTrustMember_lbl" xml:lang="en-US">AB Trust [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AbTrustMember_lbl" xml:lang="en-US">AB Trust [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AbTrustMember_lbl" xml:lang="en-US">AB Trust Member.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ChangeFromNetIncomeAttributableToCompany" xlink:label="life_ChangeFromNetIncomeAttributableToCompany" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ChangeFromNetIncomeAttributableToCompany" xlink:to="life_ChangeFromNetIncomeAttributableToCompany_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ChangeFromNetIncomeAttributableToCompany_lbl" xml:lang="en-US">Change From Net Income Attributable To Company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="life_ChangeFromNetIncomeAttributableToCompany_lbl" xml:lang="en-US">Change from net income attributable to Life Technologies and transfers to noncontrolling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ChangeFromNetIncomeAttributableToCompany_lbl" xml:lang="en-US">Change From Net Income Attributable To Company.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsExerciseInPeriodWeightedAverageExercisePrice" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsExerciseInPeriodWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsExerciseInPeriodWeightedAverageExercisePrice" xlink:to="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsExerciseInPeriodWeightedAverageExercisePrice_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsExerciseInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payments Award Options Exercise In Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsExerciseInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Weighted Average Exercise Price Per Share, Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsExerciseInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payments Award Options Exercise In Period Weighted Average Exercise Price.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillOtherChanges" xlink:label="us-gaap_GoodwillOtherChanges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillOtherChanges" xlink:to="lab_GoodwillOtherChanges" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GoodwillOtherChanges" xml:lang="en-US">Goodwill, Other Changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GoodwillOtherChanges" xml:lang="en-US">Other adjustments</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillTranslationAdjustments" xlink:label="us-gaap_GoodwillTranslationAdjustments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillTranslationAdjustments" xlink:to="lab_GoodwillTranslationAdjustments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GoodwillTranslationAdjustments" xml:lang="en-US">Goodwill, Translation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GoodwillTranslationAdjustments" xml:lang="en-US">Foreign currency translation</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExtendedProductWarrantyDescription" xlink:label="us-gaap_ExtendedProductWarrantyDescription" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtendedProductWarrantyDescription" xlink:to="us-gaap_ExtendedProductWarrantyDescription_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExtendedProductWarrantyDescription_lbl" xml:lang="en-US">Extended Product Warranty Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ExtendedProductWarrantyDescription_lbl" xml:lang="en-US">Product warranties extend over a specified period of range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueCurrent" xml:lang="en-US">Lease commitments, 2012</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xml:lang="en-US">Lease commitments, 2013</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xml:lang="en-US">Lease commitments, 2014</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xml:lang="en-US">Lease commitments, 2015</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xml:lang="en-US">Lease commitments, 2016</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xml:lang="en-US">Sublease Rentals, 2012</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xml:lang="en-US">Sublease Rentals, 2013</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xml:lang="en-US">Sublease Rentals, 2014</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xml:lang="en-US">Sublease Rentals, 2015</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xml:lang="en-US">Sublease Rentals, 2016</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitsPaid" xlink:label="us-gaap_DefinedBenefitPlanBenefitsPaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanBenefitsPaid" xlink:to="lab_DefinedBenefitPlanBenefitsPaid" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanBenefitsPaid" xml:lang="en-US">Defined Benefit Plan, Benefits Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanBenefitsPaid" xml:lang="en-US">Benefits and administrative expenses paid</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanOtherCosts" xlink:label="us-gaap_DefinedBenefitPlanOtherCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanOtherCosts" xlink:to="lab_DefinedBenefitPlanOtherCosts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xml:lang="en-US">Unrecognized compensation cost related to employee stock options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SharesIssued" xml:lang="en-US">Shares, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="lab_SharesIssued" xml:lang="en-US">Ending Balance, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="lab_SharesIssued" xml:lang="en-US">Beginning Balance, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SharesIssued" xml:lang="en-US">Shares, Issued</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_lbl" xml:lang="en-US">Total fair value of shares vested</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xml:lang="en-US">Total intrinsic value of options exercised</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1_lbl" xml:lang="en-US">Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1_lbl" xml:lang="en-US">Weighted Average Remaining Contractual Term Vested and exercisable at December 31, 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RestructuringReserveCurrent" xml:lang="en-US">Restructuring Reserve, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_RestructuringReserveCurrent" xml:lang="en-US">Restructuring reserves as of December 31, 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_RestructuringReserveCurrent" xml:lang="en-US">Restructuring reserves as of December 31, 2010</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RestructuringReserveCurrent" xml:lang="en-US">Current Portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Interest on senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockValue" xml:lang="en-US">Common Stock, Value, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockValue" xml:lang="en-US">Common stock; $0.01 par value, 400,000,000 shares authorized; 211,652,864 and 207,243,588 shares issued, respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TreasuryStockValue" xml:lang="en-US">Treasury Stock, Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_TreasuryStockValue" xml:lang="en-US">Less cost of treasury stock; 33,100,712 shares and 24,992,450 shares, respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccountsReceivableNetCurrent" xml:lang="en-US">Accounts Receivable, Net, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccountsReceivableNetCurrent" xml:lang="en-US">Trade accounts receivable, net of allowance for doubtful accounts of $10,200 and $10,389, respectively</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockDividend" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockDividend" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueStockDividend" xlink:to="lab_StockIssuedDuringPeriodValueStockDividend" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodValueStockDividend" xml:lang="en-US">Stock Issued During Period, Value, Stock Dividend</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodValueStockDividend" xml:lang="en-US">Issuance of deferred stock</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits" xlink:to="lab_StockIssuedDuringPeriodSharesConversionOfUnits" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodSharesConversionOfUnits" xml:lang="en-US">Stock Issued During Period, Shares, Conversion of Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodSharesConversionOfUnits" xml:lang="en-US">Issuance of deferred stock, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockholdersEquityNoteDisclosureTextBlock" xml:lang="en-US">Stockholders' Equity Note Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockholdersEquityNoteDisclosureTextBlock" xml:lang="en-US">COMMON STOCK AND PREFERRED STOCK</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xml:lang="en-US">Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xml:lang="en-US">Issuance of restricted shares, net of shares repurchased for minimum tax liability, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xml:lang="en-US">Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xml:lang="en-US">Amortization of stock-based compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromSaleOfEquityMethodInvestments" xml:lang="en-US">Proceeds from Sale of Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromSaleOfEquityMethodInvestments" xml:lang="en-US">Net cash received (paid) for divestiture of equity investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsAbstract" xml:lang="en-US">Finite-Lived Intangible Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsAbstract" xml:lang="en-US">Other Intangible Assets</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessCombinationContingentConsiderationDilutiveImpact" xlink:label="life_BusinessCombinationContingentConsiderationDilutiveImpact" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_BusinessCombinationContingentConsiderationDilutiveImpact" xlink:to="life_BusinessCombinationContingentConsiderationDilutiveImpact_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessCombinationContingentConsiderationDilutiveImpact_lbl" xml:lang="en-US">Business Combination Contingent Consideration Dilutive Impact</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessCombinationContingentConsiderationDilutiveImpact_lbl" xml:lang="en-US">Business combination contingently issuable shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessCombinationContingentConsiderationDilutiveImpact_lbl" xml:lang="en-US">Business combination contingent consideration dilutive impact.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares" xlink:label="us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares" xlink:to="lab_IncrementalCommonSharesAttributableToContingentlyIssuableShares" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncrementalCommonSharesAttributableToContingentlyIssuableShares" xml:lang="en-US">Incremental Common Shares Attributable to Contingently Issuable Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncrementalCommonSharesAttributableToContingentlyIssuableShares" xml:lang="en-US">Business combination contingently issuable shares, shares</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetImpairmentCharges" xlink:to="lab_AssetImpairmentCharges" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetImpairmentCharges" xml:lang="en-US">Asset Impairment Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetImpairmentCharges" xml:lang="en-US">Impairment charges</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability" xlink:to="lab_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability" xml:lang="en-US">Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability" xml:lang="en-US">Contingent consideration liabilities related to earnings against cost of revenues</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_MinorityInterestDisclosureTableTextBlock" xlink:label="life_MinorityInterestDisclosureTableTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_MinorityInterestDisclosureTableTextBlock" xlink:to="life_MinorityInterestDisclosureTableTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_MinorityInterestDisclosureTableTextBlock_lbl" xml:lang="en-US">Minority Interest Disclosure [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_MinorityInterestDisclosureTableTextBlock_lbl" xml:lang="en-US">Effects of changes in the Company's ownership interest in its subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_MinorityInterestDisclosureTableTextBlock_lbl" xml:lang="en-US">Minority interest.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US">Antidilutive stock options and restricted stock units</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AdditionalInterestOfMarketValueOfOldNotes" xlink:label="life_AdditionalInterestOfMarketValueOfOldNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AdditionalInterestOfMarketValueOfOldNotes" xlink:to="life_AdditionalInterestOfMarketValueOfOldNotes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AdditionalInterestOfMarketValueOfOldNotes_lbl" xml:lang="en-US">Additional Interest Of Market Value Of Old Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AdditionalInterestOfMarketValueOfOldNotes_lbl" xml:lang="en-US">Additional interest of market value of old notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AdditionalInterestOfMarketValueOfOldNotes_lbl" xml:lang="en-US">Additional Interest Of Market Value Of Old Notes.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationAtFairValueCurrent" xlink:label="us-gaap_BusinessAcquisitionContingentConsiderationAtFairValueCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionContingentConsiderationAtFairValueCurrent" xlink:to="lab_BusinessAcquisitionContingentConsiderationAtFairValueCurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionContingentConsiderationAtFairValueCurrent" xml:lang="en-US">Business Acquisition, Contingent Consideration, at Fair Value, Current</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_OffsetByValueAccretionRecordedInInterestExpense" xlink:label="life_OffsetByValueAccretionRecordedInInterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_OffsetByValueAccretionRecordedInInterestExpense" xlink:to="life_OffsetByValueAccretionRecordedInInterestExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_OffsetByValueAccretionRecordedInInterestExpense_lbl" xml:lang="en-US">Offset By Value Accretion Recorded In Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_OffsetByValueAccretionRecordedInInterestExpense_lbl" xml:lang="en-US">Offset by value accretion recorded in interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_OffsetByValueAccretionRecordedInInterestExpense_lbl" xml:lang="en-US">Offset by value accretion recorded in interest expense.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities" xlink:to="lab_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities" xml:lang="en-US">Unrecognized Tax Benefits, Increases Resulting from Settlements with Taxing Authorities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities" xml:lang="en-US">Increases in tax positions due to settlements with taxing authorities</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_IncreasesInTaxPositionsDueToChangesInCurrencyRates" xlink:label="life_IncreasesInTaxPositionsDueToChangesInCurrencyRates" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_IncreasesInTaxPositionsDueToChangesInCurrencyRates" xlink:to="life_IncreasesInTaxPositionsDueToChangesInCurrencyRates_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_IncreasesInTaxPositionsDueToChangesInCurrencyRates_lbl" xml:lang="en-US">Increases In Tax Positions Due To Changes In Currency Rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_IncreasesInTaxPositionsDueToChangesInCurrencyRates_lbl" xml:lang="en-US">Increases in tax positions due to changes in currency rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_IncreasesInTaxPositionsDueToChangesInCurrencyRates_lbl" xml:lang="en-US">Increases in tax positions due to changes in currency rates.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_DecreasesInTaxPositionsDueToChangesInCurrencyRates" xlink:label="life_DecreasesInTaxPositionsDueToChangesInCurrencyRates" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_DecreasesInTaxPositionsDueToChangesInCurrencyRates" xlink:to="life_DecreasesInTaxPositionsDueToChangesInCurrencyRates_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_DecreasesInTaxPositionsDueToChangesInCurrencyRates_lbl" xml:lang="en-US">Decreases In Tax Positions Due To Changes In Currency Rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="life_DecreasesInTaxPositionsDueToChangesInCurrencyRates_lbl" xml:lang="en-US">Decreases in tax positions due to changes in currency rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_DecreasesInTaxPositionsDueToChangesInCurrencyRates_lbl" xml:lang="en-US">Decreases in tax positions due to changes in currency rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_DecreasesInTaxPositionsDueToChangesInCurrencyRates_lbl" xml:lang="en-US">Decreases in tax positions due to changes in currency rates.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ForeignCurrencyTranslationAdjustments" xlink:label="life_ForeignCurrencyTranslationAdjustments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ForeignCurrencyTranslationAdjustments" xlink:to="life_ForeignCurrencyTranslationAdjustments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ForeignCurrencyTranslationAdjustments_lbl" xml:lang="en-US">Foreign Currency Translation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ForeignCurrencyTranslationAdjustments_lbl" xml:lang="en-US">Foreign currency translation adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ForeignCurrencyTranslationAdjustments_lbl" xml:lang="en-US">Foreign currency translation adjustments.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ShareRepurchaseProgramDueInDecemberMember" xlink:label="life_ShareRepurchaseProgramDueInDecemberMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ShareRepurchaseProgramDueInDecemberMember" xlink:to="life_ShareRepurchaseProgramDueInDecemberMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ShareRepurchaseProgramDueInDecemberMember_lbl" xml:lang="en-US">Share Repurchase Program Due In December [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ShareRepurchaseProgramDueInDecemberMember_lbl" xml:lang="en-US">December 2010 share repurchase program [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ShareRepurchaseProgramDueInDecemberMember_lbl" xml:lang="en-US">Share repurchase program due in December.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_SubsequentEventsTextualAbstract" xlink:label="life_SubsequentEventsTextualAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_SubsequentEventsTextualAbstract" xlink:to="life_SubsequentEventsTextualAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_SubsequentEventsTextualAbstract_lbl" xml:lang="en-US">Subsequent Events (Textual) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_SubsequentEventsTextualAbstract_lbl" xml:lang="en-US">Subsequent events.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_SubsequentEventsTextualAbstract_lbl" xml:lang="en-US">Subsequent Events (Textual) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xlink:label="us-gaap_BusinessAcquisitionContingentConsiderationPotentialCashPayment" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xml:lang="en-US">Life: amount of cash paid for settlement of milestone</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SubsequentEventLineItems" xml:lang="en-US">Subsequent Event [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityAbstract_lbl" xml:lang="en-US">Line Of Credit [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xml:lang="en-US">EMPLOYEE STOCK PLANS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments to reconcile net income to net cash provided by operating activities, including effects of businesses acquired and divested:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_RestrictedCashAndInvestmentsCurrent" xml:lang="en-US">Restricted cash and investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RestrictedCashAndInvestmentsCurrent" xml:lang="en-US">Restricted cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredRevenue" xml:lang="en-US">Deferred Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredRevenue" xml:lang="en-US">Deferred revenue, which includes customer prepayments and unearned service revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RoyaltyRevenue" xml:lang="en-US">Royalty Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RoyaltyRevenue" xml:lang="en-US">Total Royalty revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InventoryValuationReserves" xml:lang="en-US">Inventory Valuation Reserves</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InventoryValuationReserves" xml:lang="en-US">Reserves for excess, obsolete and impaired inventory</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TangibleAssetImpairmentCharges" xlink:label="us-gaap_TangibleAssetImpairmentCharges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TangibleAssetImpairmentCharges" xlink:to="lab_TangibleAssetImpairmentCharges" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TangibleAssetImpairmentCharges" xml:lang="en-US">Tangible Asset Impairment Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TangibleAssetImpairmentCharges" xml:lang="en-US">Material impairment loss recognized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability" xml:lang="en-US">Fair value adjustment to the Company's contingent consideration liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable" xml:lang="en-US">Purchase price paid in Life Technologies common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Cash Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xml:lang="en-US">Cash paid to Ion Torrent security holders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xml:lang="en-US">Business Acquisition, Contingent Consideration, Potential Cash Payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xml:lang="en-US">Company paid in cash</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_BusinessAcquisitionContingentConsiderationSharesIssuableFairValue" xlink:label="life_BusinessAcquisitionContingentConsiderationSharesIssuableFairValue" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_BusinessAcquisitionContingentConsiderationSharesIssuableFairValue_lbl" xml:lang="en-US">Business Acquisition Contingent Consideration Shares Issuable Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="life_BusinessAcquisitionContingentConsiderationSharesIssuableFairValue_lbl" xml:lang="en-US">Paid milestone in shares of company's common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_BusinessAcquisitionContingentConsiderationSharesIssuableFairValue_lbl" xml:lang="en-US">Share settlement of he Ion Torrent milestone obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_BusinessAcquisitionContingentConsiderationSharesIssuableFairValue_lbl" xml:lang="en-US">Business acquisition contingent consideration shares issuable fair value.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionContingentConsiderationSharesIssuable" xml:lang="en-US">Business Acquisition, Contingent Consideration, Shares Issuable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentSoldCarryingAmount" xml:lang="en-US">Equity Method Investment Sold, Carrying Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_EquityMethodInvestmentSoldCarryingAmount" xml:lang="en-US">Carrying value of equity investments included in sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationIntegrationRelatedCosts_lbl" xml:lang="en-US">Business Combination Integration Related Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationIntegrationRelatedCosts_lbl" xml:lang="en-US">Cost of continued integration of recent acquisitions and divestitures into operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermInvestments" xml:lang="en-US">Long-term Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_LongTermInvestments" xml:lang="en-US">Total long-term investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermInvestments" xml:lang="en-US">Long-term investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property, Plant and Equipment, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_PropertyPlantAndEquipmentNet" xml:lang="en-US">Total property and equipment, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property and equipment, net</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityNumberOfEmployees" xlink:label="dei_EntityNumberOfEmployees" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityNumberOfEmployees" xlink:to="lab_EntityNumberOfEmployees" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityNumberOfEmployees" xml:lang="en-US">Entity Number of Employees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityNumberOfEmployees" xml:lang="en-US">Approximate number of people in the workforce</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NumberOfCountriesInWhichEntityOperates" xlink:label="us-gaap_NumberOfCountriesInWhichEntityOperates" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NumberOfCountriesInWhichEntityOperates" xml:lang="en-US">Number of Countries in which Entity Operates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NumberOfCountriesInWhichEntityOperates" xml:lang="en-US">Number of countries</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_NumberOfPatents" xlink:label="life_NumberOfPatents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_NumberOfPatents" xlink:to="life_NumberOfPatents_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_NumberOfPatents_lbl" xml:lang="en-US">Number Of Patents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_NumberOfPatents_lbl" xml:lang="en-US">Number of Patents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_NumberOfPatents_lbl" xml:lang="en-US">Number of Patents</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_StockIssuedDuringPeriodSharesForRepaymentsOfNotesPayable" xlink:label="life_StockIssuedDuringPeriodSharesForRepaymentsOfNotesPayable" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_StockIssuedDuringPeriodSharesForRepaymentsOfNotesPayable_lbl" xml:lang="en-US">Stock Issued During Period Shares For Repayments Of Notes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_StockIssuedDuringPeriodSharesForRepaymentsOfNotesPayable_lbl" xml:lang="en-US">Settlement Of Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_StockIssuedDuringPeriodSharesForRepaymentsOfNotesPayable_lbl" xml:lang="en-US">Stock issued during period shares for repayments of notes payable.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:label="us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:to="lab_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xml:lang="en-US">Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xml:lang="en-US">Decreases in tax positions as a result of a lapse in statue of limitations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xml:lang="en-US">Decreases in tax positions as a result of a lapse in statue of limitations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DomesticCountryMember" xml:lang="en-US">Domestic Country [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DomesticCountryMember" xml:lang="en-US">Domestic Country [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ForeignCountryMember" xml:lang="en-US">Foreign Country [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ForeignCountryMember" xml:lang="en-US">Foreign Country [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StateAndLocalJurisdictionMember" xml:lang="en-US">State and Local Jurisdiction [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StateAndLocalJurisdictionMember" xml:lang="en-US">State and Local Jurisdiction [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxExaminationPenaltiesAndInterestExpense" xml:lang="en-US">Income Tax Examination, Penalties and Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxExaminationPenaltiesAndInterestExpense" xml:lang="en-US">Income tax-related interest and penalties in the Consolidated Statement of Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxExaminationPenaltiesAndInterestAccrued" xml:lang="en-US">Income Tax Examination, Penalties and Interest Accrued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxExaminationPenaltiesAndInterestAccrued" xml:lang="en-US">Income tax-related interest and penalties included in the Consolidated Balance Sheet</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanFundedStatusOfPlan" xml:lang="en-US">Defined Benefit Plan, Funded Status of Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanFundedStatusOfPlan" xml:lang="en-US">Funded status</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" xml:lang="en-US">Pension and Other Postretirement Defined Benefit Plans, Current Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" xml:lang="en-US">Current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xml:lang="en-US">Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xml:lang="en-US">Noncurrent liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanPurchasesSalesAndSettlements" xml:lang="en-US">Defined Benefit Plan, Purchases, Sales, and Settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DefinedBenefitPlanPurchasesSalesAndSettlements" xml:lang="en-US">Acquisitions/ divestitures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanPurchasesSalesAndSettlements" xml:lang="en-US">Purchases, sales, and settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostBeforeTax" xml:lang="en-US">Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Recognized in Net Periodic Benefit Cost, before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostBeforeTax" xml:lang="en-US">Amortization of prior service credit (cost)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit" xml:lang="en-US">Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_DefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit" xml:lang="en-US">Net prior service cost (credit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanTransfersBetweenMeasurementLevels" xml:lang="en-US">Defined Benefit Plan, Transfers Between Measurement Levels</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanTransfersBetweenMeasurementLevels" xml:lang="en-US">Transfers in and/or out of Level 3</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AllocatedShareBasedCompensationExpense" xml:lang="en-US">Allocated Share-based Compensation Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AllocatedShareBasedCompensationExpense" xml:lang="en-US">Share-based compensation expense before taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Aggregate Intrinsic Value Outstanding at December 31, 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Aggregate Intrinsic Value Outstanding at December 31, 2010</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Aggregate Intrinsic Value, Outstanding</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_lbl" xml:lang="en-US">Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_lbl" xml:lang="en-US">Compensation cost capitalized in inventory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xml:lang="en-US">Total unrealized losses included in earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SeniorNotesMember" xml:lang="en-US">Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SeniorNotesMember" xml:lang="en-US">3.375% Senior Notes (principal due 2013) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionContingentConsiderationAtFairValueCurrent" xml:lang="en-US">Contingent consideration current portion</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" xlink:label="us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" xlink:to="lab_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" xml:lang="en-US">Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" xml:lang="en-US">Realized loss/(gain) on cash flow hedges, reclassed into earnings, net of deferred taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionContingentConsiderationSharesIssuable" xml:lang="en-US">Life: shares issued for settlement of milestone</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US">Accumulated Other Comprehensive Income [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US">Accumulated Other Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US">Net increase in cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock" xml:lang="en-US">Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock" xml:lang="en-US">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:to="lab_AllowanceForDoubtfulAccountsReceivable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AllowanceForDoubtfulAccountsReceivable" xml:lang="en-US">Allowance for Doubtful Accounts Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AllowanceForDoubtfulAccountsReceivable" xml:lang="en-US">Allowance for doubtful accounts</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_AccrualForContingentConsideration" xlink:label="life_AccrualForContingentConsideration" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_AccrualForContingentConsideration" xlink:to="life_AccrualForContingentConsideration_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_AccrualForContingentConsideration_lbl" xml:lang="en-US">Accrual For The Contingent Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_AccrualForContingentConsideration_lbl" xml:lang="en-US">Accrual for the contingent consideration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_AccrualForContingentConsideration_lbl" xml:lang="en-US">Accrual for the contingent consideration</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="lab_LineOfCreditFacilityCurrentBorrowingCapacity" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EffectiveIncomeTaxRateReconciliationTaxHolidays" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Tax Holidays</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_EffectiveIncomeTaxRateReconciliationTaxHolidays" xml:lang="en-US">Foreign earnings subject to tax holidays</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EffectiveIncomeTaxRateReconciliationTaxHolidays" xml:lang="en-US">Company qualifies for an incentive tax benefit in Israel for a reduced tax rate on earnings from subsidiary in Israel</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_EffectiveIncomeTaxRateReconciliationForeignTaxBenefitsFromIntercompanyHybridDebt" xlink:label="life_EffectiveIncomeTaxRateReconciliationForeignTaxBenefitsFromIntercompanyHybridDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_EffectiveIncomeTaxRateReconciliationForeignTaxBenefitsFromIntercompanyHybridDebt" xlink:to="life_EffectiveIncomeTaxRateReconciliationForeignTaxBenefitsFromIntercompanyHybridDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_EffectiveIncomeTaxRateReconciliationForeignTaxBenefitsFromIntercompanyHybridDebt_lbl" xml:lang="en-US">Effective Income Tax Rate Reconciliation Foreign Tax Benefits From Intercompany Hybrid Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_EffectiveIncomeTaxRateReconciliationForeignTaxBenefitsFromIntercompanyHybridDebt_lbl" xml:lang="en-US">Benefits from intercompany financing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_EffectiveIncomeTaxRateReconciliationForeignTaxBenefitsFromIntercompanyHybridDebt_lbl" xml:lang="en-US">Effective income tax rate reconciliation, benefits from intercompany financing.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xml:lang="en-US">Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xml:lang="en-US">Pretax income (loss) statement by region</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_ApproximateStateCreditCarryForwardsExpireInFuturePeriod" xlink:label="life_ApproximateStateCreditCarryForwardsExpireInFuturePeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_ApproximateStateCreditCarryForwardsExpireInFuturePeriod" xlink:to="life_ApproximateStateCreditCarryForwardsExpireInFuturePeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_ApproximateStateCreditCarryForwardsExpireInFuturePeriod_lbl" xml:lang="en-US">Approximate State Credit Carry Forwards Expire In Future Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_ApproximateStateCreditCarryForwardsExpireInFuturePeriod_lbl" xml:lang="en-US">Approximate state credit carryforwards begin to expire in 2015</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_ApproximateStateCreditCarryForwardsExpireInFuturePeriod_lbl" xml:lang="en-US">Approximate state credit carry forwards expire in future period.</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" xlink:to="lab_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanOtherCosts" xml:lang="en-US">Defined Benefit Plan, Other Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanOtherCosts" xml:lang="en-US">Plan transfer in/(out) due to divestiture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax" xml:lang="en-US">Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax" xml:lang="en-US">Actuarial loss (gain)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanNetPeriodicBenefitCost" xml:lang="en-US">Defined Benefit Plan, Net Periodic Benefit Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DefinedBenefitPlanNetPeriodicBenefitCost" xml:lang="en-US">Net periodic pension cost (income)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanNetPeriodicBenefitCost" xml:lang="en-US">Total recognized in net periodic pension income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAmortizationOfNetGainsLosses" xml:lang="en-US">Defined Benefit Plan, Amortization of Net Gains (Losses)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAmortizationOfNetGainsLosses" xml:lang="en-US">Net actuarial loss (credit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear" xml:lang="en-US">Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="lab_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear" xml:lang="en-US">Amounts in accumulated other comprehensive income expected to be amortized into fiscal year 2012 net periodic benefit expense (credit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear" xml:lang="en-US">Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ForeignGovernmentDebtSecuritiesMember" xml:lang="en-US">Foreign Government Debt Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ForeignGovernmentDebtSecuritiesMember" xml:lang="en-US">Foreign bonds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xml:lang="en-US">Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xml:lang="en-US">Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion, Net, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xml:lang="en-US">Derivatives instruments designated and qualified as cash flow hedges, Amount of Gain/(Loss) Reclassified from AOCI into Income, Effective Portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xml:lang="en-US">Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xml:lang="en-US">Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xml:lang="en-US">Derivatives instruments not designated as cash flow hedges, Amount of Gain Recognized in Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xml:lang="en-US">Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xml:lang="en-US">Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xml:lang="en-US">Derivatives instruments designated and qualified as cash flow hedges, Amount of Loss Recognized in OCI, Effective Portion</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" xlink:label="us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" xlink:to="lab_IncomeTaxHolidayIncomeTaxBenefitsPerShare" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxHolidayIncomeTaxBenefitsPerShare" xml:lang="en-US">Income Tax Holiday, Income Tax Benefits Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxHolidayIncomeTaxBenefitsPerShare" xml:lang="en-US">Benefit of the tax holidays on net income per share (diluted)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" xml:lang="en-US">Weighted average discount rate to determine obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits" xml:lang="en-US">Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits" xml:lang="en-US">Postretirement</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PercentageOfAdditionalInterestRateOnPrincipleValue" xlink:label="life_PercentageOfAdditionalInterestRateOnPrincipleValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PercentageOfAdditionalInterestRateOnPrincipleValue" xlink:to="life_PercentageOfAdditionalInterestRateOnPrincipleValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PercentageOfAdditionalInterestRateOnPrincipleValue_lbl" xml:lang="en-US">Percentage Of Additional Interest Rate On Principle Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PercentageOfAdditionalInterestRateOnPrincipleValue_lbl" xml:lang="en-US">Additional interest rate paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PercentageOfAdditionalInterestRateOnPrincipleValue_lbl" xml:lang="en-US">Percentage of additional interest rate on principle value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionContingentConsiderationAtFairValue" xml:lang="en-US">Business Acquisition, Contingent Consideration, at Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_BusinessAcquisitionContingentConsiderationAtFairValue" xml:lang="en-US">Contingent considerations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionContingentConsiderationAtFairValue" xml:lang="en-US">Contingent consideration liabilities</label>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent" xlink:label="us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent" xlink:to="lab_DeferredCompensationLiabilityCurrentAndNoncurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredCompensationLiabilityCurrentAndNoncurrent" xml:lang="en-US">Deferred Compensation Liability, Current and Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredCompensationLiabilityCurrentAndNoncurrent" xml:lang="en-US">Deferred compensation accrual</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_PercentageOfPlanOffer" xlink:label="life_PercentageOfPlanOffer" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_PercentageOfPlanOffer" xlink:to="life_PercentageOfPlanOffer_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_PercentageOfPlanOffer_lbl" xml:lang="en-US">percentage Of Plan Offer</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_PercentageOfPlanOffer_lbl" xml:lang="en-US">Offering rate of the plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="life_PercentageOfPlanOffer_lbl" xml:lang="en-US">percentage of plan offer.</label>
    <loc xlink:type="locator" xlink:href="life-20111231.xsd#life_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainIncludedInEarnings" xlink:label="life_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainIncludedInEarnings" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="life_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainIncludedInEarnings" xlink:to="life_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainIncludedInEarnings_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="life_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainIncludedInEarnings_lbl" xml:lang="en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Included In Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="life_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainIncludedInEarnings_lbl" xml:lang="en-US">Total unrealized gains included in earnings</label>
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