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  <xsd:element name="ForwardContractMilestoneAnnualRevenueRequired" id="tech_ForwardContractMilestoneAnnualRevenueRequired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ForwardContractMilestoneMultipleForTotalExpectedPayments" id="tech_ForwardContractMilestoneMultipleForTotalExpectedPayments" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ForwardStartingSwapMember" id="tech_ForwardStartingSwapMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InstrumentsMember" id="tech_InstrumentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InventoryFinishedGoodsNetOfReservesNonCurrent" id="tech_InventoryFinishedGoodsNetOfReservesNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="InventoryNetCurrentAndNonCurrent" id="tech_InventoryNetCurrentAndNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="LineOfCreditFacilityAdditionalBorrowingCapacity" id="tech_LineOfCreditFacilityAdditionalBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="NoncashPortionOfLeaseExpense" id="tech_NoncashPortionOfLeaseExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProductAndServicesMember" id="tech_ProductAndServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProteinSciencesMember" id="tech_ProteinSciencesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="QTHoldingsCorporationMember" id="tech_QTHoldingsCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RestOfWorldMember" id="tech_RestOfWorldMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RestructuringActionsPolicyTextBlock" id="tech_RestructuringActionsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SecondPartOfForwardContractMember" id="tech_SecondPartOfForwardContractMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UndesignatedCapitalStockSharesAuthorized" id="tech_UndesignatedCapitalStockSharesAuthorized" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UndesignatedCapitalStockSharesIssued" id="tech_UndesignatedCapitalStockSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UndesignatedCapitalStockSharesOutstanding" id="tech_UndesignatedCapitalStockSharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UndesignatedCapitalStockValue" id="tech_UndesignatedCapitalStockValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="WilsonWolfCorporationMember" id="tech_WilsonWolfCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TradeNamesCustomerRelationshipsNoncompeteAgreementsAndPatentsMember" id="tech_TradeNamesCustomerRelationshipsNoncompeteAgreementsAndPatentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExosomeDiagnosticsIncMember" id="tech_ExosomeDiagnosticsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="The2020EquityIncentivePlanMember" id="tech_The2020EquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PerformanceIncentiveProgramsMember" id="tech_PerformanceIncentiveProgramsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="USProfitSharingAndSavingsPlanMember" id="tech_USProfitSharingAndSavingsPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GBProfitSharingAndSavingsPlanMember" id="tech_GBProfitSharingAndSavingsPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLossCarryforwardsMember" id="tech_OperatingLossCarryforwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TaxCreditCarryforwardsMember" id="tech_TaxCreditCarryforwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContingentConsiderationPolicyPolicyTextBlock" id="tech_ContingentConsiderationPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationOptionExercises" id="tech_EffectiveIncomeTaxRateReconciliationOptionExercises" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsLeaseLiabilities" id="tech_DeferredTaxAssetsLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnitedStatesAndCanadaMember" id="tech_UnitedStatesAndCanadaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UndistributedEarningsOfForeignSubsidiariesNonPermanentlyReinvested" id="tech_UndistributedEarningsOfForeignSubsidiariesNonPermanentlyReinvested" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="UndistributedEarningsOfForeignSubsidiariesPermanentlyAndNonPermanentlyReinvested" id="tech_UndistributedEarningsOfForeignSubsidiariesPermanentlyAndNonPermanentlyReinvested" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AmendedCreditAgreementMember" id="tech_AmendedCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetsClassifiedAsNoncurrentOther" id="tech_AssetsClassifiedAsNoncurrentOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsCapitalizedResearchAndDevelopmentCosts" id="tech_DeferredTaxAssetsCapitalizedResearchAndDevelopmentCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="LunaphoreTechnologiesSaMember" id="tech_LunaphoreTechnologiesSaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherNonoperatingIncomeAndExpense" id="tech_OtherNonoperatingIncomeAndExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationForeignWithholdingTaxPercent" id="tech_EffectiveIncomeTaxRateReconciliationForeignWithholdingTaxPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationForeignEarningsTaxation" id="tech_EffectiveIncomeTaxRateReconciliationForeignEarningsTaxation" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeNumberOfInterimSettlementDates" id="tech_DerivativeNumberOfInterimSettlementDates" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeNotionalAmountAtMaturity" id="tech_DerivativeNotionalAmountAtMaturity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="GoodwillHeldForSaleAdjustment" id="tech_GoodwillHeldForSaleAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AssetRelatedAndOtherMember" id="tech_AssetRelatedAndOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ImpactOfBusinessHeldForSale" id="tech_ImpactOfBusinessHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RestructuringCostsNetOfAdjustments" id="tech_RestructuringCostsNetOfAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IntellectualPropertyMattersPolicyPolicyTextBlock" id="tech_IntellectualPropertyMattersPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodFairValue" id="tech_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DiagnosticsAndSpatialBiologyMember" id="tech_DiagnosticsAndSpatialBiologyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiscalYear2025RestructuringActionsMember" id="tech_FiscalYear2025RestructuringActionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiscalYear2024RestructuringActionsMember" id="tech_FiscalYear2024RestructuringActionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementSettlementForOptionsExpiredNumberOfSharesCoveredUnderFirstPaymentnumberOfExpiredVestedStockOptionsInShares" id="tech_ShareBasedCompensationArrangementSettlementForOptionsExpiredNumberOfSharesCoveredUnderFirstPaymentnumberOfExpiredVestedStockOptionsInShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonCashAdjustmentsOther" id="tech_NonCashAdjustmentsOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FormerChiefExecutiveOfficerMember" id="tech_FormerChiefExecutiveOfficerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FormerEmployeesMember" id="tech_FormerEmployeesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BuildingBuildingImprovementsAndLeaseholdImprovementsMember" id="tech_BuildingBuildingImprovementsAndLeaseholdImprovementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RestructuringPlanToOptimizeGlobalManufacturingMember" id="tech_RestructuringPlanToOptimizeGlobalManufacturingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RestructuringPlanToRecoverOperatingMarginsMember" id="tech_RestructuringPlanToRecoverOperatingMarginsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ImpairmentRecoveryOfAssetsHeldForSaleMember" id="tech_ImpairmentRecoveryOfAssetsHeldForSaleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationOutsideBasisDifference" id="tech_EffectiveIncomeTaxRateReconciliationOutsideBasisDifference" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OtherRevenuesExcludingAmountsAttributableToAssetsHeldForSaleNet" id="tech_OtherRevenuesExcludingAmountsAttributableToAssetsHeldForSaleNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodValueRestrictedStockAward" id="tech_StockIssuedDuringPeriodValueRestrictedStockAward" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodValueRestrictedStockAwardShares" id="tech_StockIssuedDuringPeriodValueRestrictedStockAwardShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="UnrecognizedTaxBenefitsIncreaseDecreasesResultingFromForeignCurrencyTranslation" id="tech_UnrecognizedTaxBenefitsIncreaseDecreasesResultingFromForeignCurrencyTranslation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DeferredTaxAssetsValuationAllowanceDueToOutsideBasisDifference" id="tech_DeferredTaxAssetsValuationAllowanceDueToOutsideBasisDifference" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ExchangeTradedSecuritiesFairValueDisclosure" id="tech_ExchangeTradedSecuritiesFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RecoveryOfAssetsHeldForSale" id="tech_RecoveryOfAssetsHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationStockConsideration" id="tech_DisposalGroupIncludingDiscontinuedOperationStockConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationConsiderationNumberOfInstallments" id="tech_DisposalGroupIncludingDiscontinuedOperationConsiderationNumberOfInstallments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationConsiderationInstallmentAmount" id="tech_DisposalGroupIncludingDiscontinuedOperationConsiderationInstallmentAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationStockConsiderationReceivable" id="tech_DisposalGroupIncludingDiscontinuedOperationStockConsiderationReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ScheduleOfConsolidatedFinancialStatementsInRelationToOperatingLeasesTableTextBlock" id="tech_ScheduleOfConsolidatedFinancialStatementsInRelationToOperatingLeasesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StephenVesseyMember" id="tech_StephenVesseyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FiscalYear2026RestructuringActionsMember" id="tech_FiscalYear2026RestructuringActionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScheduleOfCashPaidForIncomeTaxesNetOfRefunds" id="tech_ScheduleOfCashPaidForIncomeTaxesNetOfRefunds" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NewYorkCityMember" id="tech_NewYorkCityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseNonRecurringArbitrationAwardPercent" id="tech_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseNonRecurringArbitrationAwardPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="UndesignatedCapitalStockParOrStatedValuePerShare" id="tech_UndesignatedCapitalStockParOrStatedValuePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="MergerConsiderationCashPerEachShareCommonStockOutstanding" id="tech_MergerConsiderationCashPerEachShareCommonStockOutstanding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ImpairmentRecoveryOfLongLivedAssetsToBeDisposedOf" id="tech_ImpairmentRecoveryOfLongLivedAssetsToBeDisposedOf" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncomeTaxPaidFederalStateAndLocalAfterRefundReceived" id="tech_IncomeTaxPaidFederalStateAndLocalAfterRefundReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MergerLiabilityTerminationFeeAmount" id="tech_MergerLiabilityTerminationFeeAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MergerReceivableTerminationFeeAmount" id="tech_MergerReceivableTerminationFeeAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredTaxAssetsLiabilitiesEquityMethodInvestments" id="tech_DeferredTaxAssetsLiabilitiesEquityMethodInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
</xsd:schema>
