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  <xs:element id="tlsi_RevenueBaseRedemptionLiability" abstract="false" name="RevenueBaseRedemptionLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_LeaseLiabilityNoncurrent" abstract="false" name="LeaseLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_GainLossOnChangeInFairValueOfWarrantsAndOtherLiabilities" abstract="false" name="GainLossOnChangeInFairValueOfWarrantsAndOtherLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodNetOfSharesReturned" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodNetOfSharesReturned" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_PreferredStockConversionShares" abstract="false" name="PreferredStockConversionShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
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  <xs:element id="tlsi_StockIssuedDuringPeriodSharesRecordExchangeWarrants" abstract="false" name="StockIssuedDuringPeriodSharesRecordExchangeWarrants" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_A2024StockBasedCompensationAwardsMember" abstract="true" name="A2024StockBasedCompensationAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="tlsi_PrepaidWarrantIssuanceCosts" abstract="false" name="PrepaidWarrantIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_FixedAssetPurchaseThroughExchangeOfFinanceLeaseRightOfUseAsset" abstract="false" name="FixedAssetPurchaseThroughExchangeOfFinanceLeaseRightOfUseAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_DerecognitionOfFinanceLeaseRightOfUseAsset" abstract="false" name="DerecognitionOfFinanceLeaseRightOfUseAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="tlsi_ClassOfWarrantOrRightConversionDaysNotice" abstract="false" name="ClassOfWarrantOrRightConversionDaysNotice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tlsi_ClassOfWarrantOrRightConversionStockPriceThreshold" abstract="false" name="ClassOfWarrantOrRightConversionStockPriceThreshold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="tlsi_ClassOfWarrantOrRightConversionTermsThresholdTradingDays" abstract="false" name="ClassOfWarrantOrRightConversionTermsThresholdTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tlsi_ClassOfWarrantOrRightConversionTermsThresholdConsecutiveTradingDays" abstract="false" name="ClassOfWarrantOrRightConversionTermsThresholdConsecutiveTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tlsi_ClassOfWarrantOrRightThresholdNumberOfDaysForWarrantsToBeTransferable" abstract="false" name="ClassOfWarrantOrRightThresholdNumberOfDaysForWarrantsToBeTransferable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tlsi_ClassOfWarrantOrRightWarrantsExchanged" abstract="false" name="ClassOfWarrantOrRightWarrantsExchanged" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_ClassOfWarrantOrRightPercentageOfWarrantsTenderAgreement" abstract="false" name="ClassOfWarrantOrRightPercentageOfWarrantsTenderAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tlsi_WarrantsAndRightsOutstandingNetOfIssuanceCosts" abstract="false" name="WarrantsAndRightsOutstandingNetOfIssuanceCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_ClassOfWarrantOrRightWarrantsIssuedDelayedDrawCommitmentAmountPercentage" abstract="false" name="ClassOfWarrantOrRightWarrantsIssuedDelayedDrawCommitmentAmountPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
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  <xs:element id="tlsi_ClassOfWarrantOrRightWarrantsExercised" abstract="false" name="ClassOfWarrantOrRightWarrantsExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
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  <xs:element id="tlsi_ClassOfWarrantOrRightConversionAndRetirementsOfConvertibleSecurities" abstract="false" name="ClassOfWarrantOrRightConversionAndRetirementsOfConvertibleSecurities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
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  <xs:element id="tlsi_SharePriceAsPercentageOfMarketPriceCommencingOnAdvanceNoticeDate" abstract="false" name="SharePriceAsPercentageOfMarketPriceCommencingOnAdvanceNoticeDate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tlsi_SharePriceAsPercentageOfMarketPriceWithAdvanceNoticeOptionTwo" abstract="false" name="SharePriceAsPercentageOfMarketPriceWithAdvanceNoticeOptionTwo" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tlsi_CommonStockSharePriceMarketPriceNumberOfConsecutiveTradingDays" abstract="false" name="CommonStockSharePriceMarketPriceNumberOfConsecutiveTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tlsi_CommonStockSharesAuthorizedStandbyEquityPurchaseAgreement" abstract="false" name="CommonStockSharesAuthorizedStandbyEquityPurchaseAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_StandbyEquityPurchaseAgreementMaximumAllowablePercentageOfOutstandingCommonStock" abstract="false" name="StandbyEquityPurchaseAgreementMaximumAllowablePercentageOfOutstandingCommonStock" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tlsi_MeasurementInputExpectedProbablyOfDrawsMember" abstract="true" name="MeasurementInputExpectedProbablyOfDrawsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_LoanFacilityMember" abstract="true" name="LoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_LoanFacilityInitialCommitmentAmountMember" abstract="true" name="LoanFacilityInitialCommitmentAmountMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="tlsi_LoanFacilityDecember312025Member" abstract="true" name="LoanFacilityDecember312025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_LineOfCreditFacilityProductRevenueBaseMinimumThresholdAmount" abstract="false" name="LineOfCreditFacilityProductRevenueBaseMinimumThresholdAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_DebtInstrumentDebtDefaultRate" abstract="false" name="DebtInstrumentDebtDefaultRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tlsi_DebtInstrumentCovenantsMinimumLiquidityCashRequirement" abstract="false" name="DebtInstrumentCovenantsMinimumLiquidityCashRequirement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_DebtInstrumentMinimumVariableRateSOFRFloor" abstract="false" name="DebtInstrumentMinimumVariableRateSOFRFloor" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tlsi_DebtInstrumentPaidInKindInterestTerm" abstract="false" name="DebtInstrumentPaidInKindInterestTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tlsi_DebtInstrumentPaidInKindInterestPercentage" abstract="false" name="DebtInstrumentPaidInKindInterestPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tlsi_LineOfCreditFacilityExitFeePercentage" abstract="false" name="LineOfCreditFacilityExitFeePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tlsi_RevenueBaseRedemptionFeaturePeriodAxis" abstract="true" name="RevenueBaseRedemptionFeaturePeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tlsi_RevenueBaseRedemptionFeaturePeriodDomain" abstract="true" name="RevenueBaseRedemptionFeaturePeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_RevenueBaseRedemptionFeaturePeriodThreeMember" abstract="true" name="RevenueBaseRedemptionFeaturePeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_RevenueBaseRedemptionFeaturePeriodFourMember" abstract="true" name="RevenueBaseRedemptionFeaturePeriodFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_RevenueBaseRedemptionFeaturePeriodFiveMember" abstract="true" name="RevenueBaseRedemptionFeaturePeriodFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_RevenueBaseRedemptionFeaturePeriodSixAndThereafterMember" abstract="true" name="RevenueBaseRedemptionFeaturePeriodSixAndThereafterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_PrepaymentPremiumRatePeriodAxis" abstract="true" name="PrepaymentPremiumRatePeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tlsi_PrepaymentPremiumRatePeriodDomain" abstract="true" name="PrepaymentPremiumRatePeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_PrepaymentPremiumRatePeriodOneMember" abstract="true" name="PrepaymentPremiumRatePeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_PrepaymentPremiumRatePeriodTwoMember" abstract="true" name="PrepaymentPremiumRatePeriodTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_PrepaymentPremiumRatePeriodThreeMember" abstract="true" name="PrepaymentPremiumRatePeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_PrepaymentPremiumRatePeriodFourMember" abstract="true" name="PrepaymentPremiumRatePeriodFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_PrepaymentPremiumRatePeriodFiveMember" abstract="true" name="PrepaymentPremiumRatePeriodFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_DebtInstrumentPrepaymentPremiumRate" abstract="false" name="DebtInstrumentPrepaymentPremiumRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tlsi_RevenueBaseRedemptionFeatureAmount" abstract="false" name="RevenueBaseRedemptionFeatureAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_WarrantLiability" abstract="false" name="WarrantLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_DebtInstrumentActivityRollForward" abstract="true" name="DebtInstrumentActivityRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tlsi_SeriesAConvertiblePreferredStockMember" abstract="true" name="SeriesAConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_PreferredStockConvertedToCommonStockMember" abstract="true" name="PreferredStockConvertedToCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_PreferredStockIssuedPricePerShare" abstract="false" name="PreferredStockIssuedPricePerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="tlsi_PreferredStockDividendsUndeclaredCumulativeDividends" abstract="false" name="PreferredStockDividendsUndeclaredCumulativeDividends" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_PreferredStockDividendsUndeclaredActualDividends" abstract="false" name="PreferredStockDividendsUndeclaredActualDividends" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tlsi_PreferredStockPercentageOfOutstandingStockTendered" abstract="false" name="PreferredStockPercentageOfOutstandingStockTendered" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tlsi_TemporaryEquitySharesIssuedDuringPeriod" abstract="false" name="TemporaryEquitySharesIssuedDuringPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_TemporaryEquityStockRetiredOrConvertedDuringPeriodShares" abstract="false" name="TemporaryEquityStockRetiredOrConvertedDuringPeriodShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_CommonStockWarrantMember" abstract="true" name="CommonStockWarrantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_RestrictedStockUnitsAndPerformanceSharesMember" abstract="true" name="RestrictedStockUnitsAndPerformanceSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_StandbyEquityPurchaseAgreementSEPAMember" abstract="true" name="StandbyEquityPurchaseAgreementSEPAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_A2009PlanMember" abstract="true" name="A2009PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_A2023PlanMember" abstract="true" name="A2023PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_NumberOfEquityIncentivePlans" abstract="false" name="NumberOfEquityIncentivePlans" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tlsi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIssued" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIssued" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsEquityInstrumentsIssued" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsEquityInstrumentsIssued" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticIncreasePerYearNumberOfYears" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticIncreasePerYearNumberOfYears" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tlsi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticIncreasePerYearPercentageOfStockFullyDiluted" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticIncreasePerYearPercentageOfStockFullyDiluted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tlsi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticIncreasePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticIncreasePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tlsi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticIncreasePercentageOfTotalShares" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticIncreasePercentageOfTotalShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tlsi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticIncreasePercentageOfInitialShareReserve" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticIncreasePercentageOfInitialShareReserve" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tlsi_CommonStockPeriodIncreaseDecreaseInCapitalSharesReservedForFutureIssuance" abstract="false" name="CommonStockPeriodIncreaseDecreaseInCapitalSharesReservedForFutureIssuance" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesOutstanding" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tlsi_WestminsterFacilityMember" abstract="true" name="WestminsterFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_BannockburnFacilityMember" abstract="true" name="BannockburnFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tlsi_LesseeNumberOfOperatingLeases" abstract="false" name="LesseeNumberOfOperatingLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tlsi_LesseeOperatingLeaseNumberOfRenewalOptions" abstract="false" name="LesseeOperatingLeaseNumberOfRenewalOptions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tlsi_LesseeNumberOfFinanceLeases" abstract="false" name="LesseeNumberOfFinanceLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tlsi_LesseeOperatingLeaseNumberOfRenewalOptionsExercised" abstract="false" name="LesseeOperatingLeaseNumberOfRenewalOptionsExercised" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
</xs:schema>
