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    <link:label id="lab_us-gaap_StatementLineItems_5F8B1366F61770894A8D691F21F8B607_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_5F8B1366F61770894A8D691F21F8B607" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
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    <link:label id="lab_us-gaap_AssetsAbstract_ED11FF0206BF77663ABC691F21F8471D_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_ED11FF0206BF77663ABC691F21F8471D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_ED11FF0206BF77663ABC691F21F8471D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AssetsCurrentAbstract_6C396DB384A0849A0782691F21F83896_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_6C396DB384A0849A0782691F21F83896" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_6C396DB384A0849A0782691F21F83896" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_9B02014F4742D4A82A05691F21F8DFD7_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_9B02014F4742D4A82A05691F21F8DFD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9B02014F4742D4A82A05691F21F8DFD7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShortTermInvestments_D7F88EB9443E02D30113691F21F87D92_label_en-US" xlink:label="lab_us-gaap_ShortTermInvestments_D7F88EB9443E02D30113691F21F87D92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term Investments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="loc_us-gaap_ShortTermInvestments_D7F88EB9443E02D30113691F21F87D92" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_D66FA03D478B5574F180691F21F8FD18_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_D66FA03D478B5574F180691F21F8FD18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Net, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_D66FA03D478B5574F180691F21F8FD18" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InventoryNet_4963FD5388696FDC4D4E691F21F82080_label_en-US" xlink:label="lab_us-gaap_InventoryNet_4963FD5388696FDC4D4E691F21F82080" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Net</link:label>
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    <link:label id="lab_us-gaap_OtherAssetsCurrent_55E6E962EB7EB42FF437691F21F8F8EE_label_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_55E6E962EB7EB42FF437691F21F8F8EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Current</link:label>
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    <link:label id="lab_us-gaap_AssetsCurrent_3B7EA7128811683AA524691F21F8008B_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_3B7EA7128811683AA524691F21F8008B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentAbstract_F0CF39DF7B68FE6A65D2691F21F82D67_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAbstract_F0CF39DF7B68FE6A65D2691F21F82D67" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Abstract]</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_91236934092CB62300A0691F21F88242_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_91236934092CB62300A0691F21F88242" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_FC9A889C7F920B1ECAA0691F21F81841_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_FC9A889C7F920B1ECAA0691F21F81841" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net</link:label>
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    <link:label id="lab_tbio_EquityIncentivePlan2006Member_51D5142C1A3DB9A2056E629309E63137_terseLabel_en-US" xlink:label="lab_tbio_EquityIncentivePlan2006Member_51D5142C1A3DB9A2056E629309E63137" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity incentive plan 2006</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_52F740B21B9FE22402FC629309E7D195" xlink:type="locator" />
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    <link:label id="lab_tbio_RangeOneMember_777BBC3D253B87F58A08629309E7AAAD_terseLabel_en-US" xlink:label="lab_tbio_RangeOneMember_777BBC3D253B87F58A08629309E7AAAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$ 0.00&#8212;$ 0.50</link:label>
    <link:loc xlink:href="tbio-20121231.xsd#tbio_RangeOneMember" xlink:label="loc_tbio_RangeOneMember_777BBC3D253B87F58A08629309E7AAAD" xlink:type="locator" />
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    <link:label id="lab_tbio_RangeTwoMember_B5FDC48A8A1F19FD726C629309E7F977_terseLabel_en-US" xlink:label="lab_tbio_RangeTwoMember_B5FDC48A8A1F19FD726C629309E7F977" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$ 0.51&#8212;$ 1.00</link:label>
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    <link:label id="lab_tbio_RangeFourMember_0EE410C5A84E2C6C59C4629309E7B4FC_label_en-US" xlink:label="lab_tbio_RangeFourMember_0EE410C5A84E2C6C59C4629309E7B4FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range Four [Member]</link:label>
    <link:label id="lab_tbio_RangeFourMember_0EE410C5A84E2C6C59C4629309E7B4FC_documentation_en-US" xlink:label="lab_tbio_RangeFourMember_0EE410C5A84E2C6C59C4629309E7B4FC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Range Four [Member]</link:label>
    <link:loc xlink:href="tbio-20121231.xsd#tbio_RangeFourMember" xlink:label="loc_tbio_RangeFourMember_0EE410C5A84E2C6C59C4629309E7B4FC" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF3D8ACDBCACA56B665629309E7CF2A" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_D2D8FF1A5EC6C0976DE4629309E779C6" xlink:type="locator" />
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