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  <xs:element name="StockBasedCompensationScheduleofFairValueofStockOptionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_StockBasedCompensationScheduleofFairValueofStockOptionsDetailsTable"/>
  <xs:element name="StockBasedCompensationScheduleofStockOptionActivityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_StockBasedCompensationScheduleofStockOptionActivityDetailsTable"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedIntrinsicValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ispc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedIntrinsicValue"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionForfeitednPeriodForfeitedDateIntrinsicValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ispc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionForfeitednPeriodForfeitedDateIntrinsicValue"/>
  <xs:element name="DeferredTaxAssetsLiabilitiesBeforeValuationAllowance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ispc_DeferredTaxAssetsLiabilitiesBeforeValuationAllowance"/>
  <xs:element name="SegmentandGeographicInformationScheduleofPercentageofTotalRevenueByGeographicAreaDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_SegmentandGeographicInformationScheduleofPercentageofTotalRevenueByGeographicAreaDetailsTable"/>
  <xs:element name="NatureofBusinessDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_NatureofBusinessDetailsTable"/>
  <xs:element name="MinimumBidPrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_MinimumBidPrice"/>
  <xs:element name="ConsecutiveBusinessDays" type="xbrli:durationItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ispc_ConsecutiveBusinessDays"/>
  <xs:element name="ThresholdNumberOfConsecutiveDaysClosingBidPriceIsAsPerComplianceListingRule" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_ThresholdNumberOfConsecutiveDaysClosingBidPriceIsAsPerComplianceListingRule"/>
  <xs:element name="ClosingBidPriceAsPerComplianceWithListingRule" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_ClosingBidPriceAsPerComplianceWithListingRule"/>
  <xs:element name="WorkingCapitalDeficit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="ispc_WorkingCapitalDeficit"/>
  <xs:element name="PercentageReductionInMonthlyCompensationCosts" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_PercentageReductionInMonthlyCompensationCosts"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_SummaryofSignificantAccountingPoliciesDetailsTable"/>
  <xs:element name="NumberOfDaysFromReceiptOfSpecimensToInspectSpecimensToEnsureCompliance" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_NumberOfDaysFromReceiptOfSpecimensToInspectSpecimensToEnsureCompliance"/>
  <xs:element name="NetBookValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="ispc_NetBookValue"/>
  <xs:element name="OtherIntangibleAssetsNetDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_OtherIntangibleAssetsNetDetailsTable"/>
  <xs:element name="DebtFinancingDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_DebtFinancingDetailsTable"/>
  <xs:element name="ThresholdLimitToRaiseGrossProceedsFromOfferingUponFilingRegistrationStatementForProvidingAdditionalLoan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="ispc_ThresholdLimitToRaiseGrossProceedsFromOfferingUponFilingRegistrationStatementForProvidingAdditionalLoan"/>
  <xs:element name="PlacementAgentFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ispc_PlacementAgentFee"/>
  <xs:element name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_CommitmentsandContingenciesDetailsTable"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_StockholdersEquityDetailsTable"/>
  <xs:element name="SharesAuthorized" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ispc_SharesAuthorized"/>
  <xs:element name="OfferingPrice" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ispc_OfferingPrice"/>
  <xs:element name="NetProceedFromInitialPublicOffering" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="ispc_NetProceedFromInitialPublicOffering"/>
  <xs:element name="StockIssuedDuringPeriodValueExerciseOfPrefundedWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="ispc_StockIssuedDuringPeriodValueExerciseOfPrefundedWarrants"/>
  <xs:element name="PercentageOfPlacementAgentFeePaidInCashToTotalProceedsFromOffering" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ispc_PercentageOfPlacementAgentFeePaidInCashToTotalProceedsFromOffering"/>
  <xs:element name="OfferingCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ispc_OfferingCosts"/>
  <xs:element name="ClassOfWarrantOrRightCommencingTermFromEffectiveDate" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_ClassOfWarrantOrRightCommencingTermFromEffectiveDate"/>
  <xs:element name="WeightedAverageTimeToExpiration" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_WeightedAverageTimeToExpiration"/>
  <xs:element name="StockBasedCompensationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_StockBasedCompensationDetailsTable"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanTerm"/>
  <xs:element name="IncomeTaxesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_IncomeTaxesDetailsTable"/>
  <xs:element name="SubsequentEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ispc_SubsequentEventsDetailsTable"/>
  <xs:element name="NumberOfInstallments" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_NumberOfInstallments"/>
  <xs:element name="PreJudgmentSecurityAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ispc_PreJudgmentSecurityAmount"/>
  <xs:element name="DepositOfRevenuePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ispc_DepositOfRevenuePercentage"/>
  <xs:element name="AccountsReceivableUnbilledMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_AccountsReceivableUnbilledMember"/>
  <xs:element name="AtmAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_AtmAgreementMember"/>
  <xs:element name="ComputerEquipmentAndPurchasedSoftwareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_ComputerEquipmentAndPurchasedSoftwareMember"/>
  <xs:element name="CustomerFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_CustomerFourMember"/>
  <xs:element name="CustomerOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_CustomerOneMember"/>
  <xs:element name="CustomerThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_CustomerThreeMember"/>
  <xs:element name="CustomerTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_CustomerTwoMember"/>
  <xs:element name="FirstCheckMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_FirstCheckMember"/>
  <xs:element name="FocusTechnologiesIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_FocusTechnologiesIncMember"/>
  <xs:element name="ForeignCustomersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_ForeignCustomersMember"/>
  <xs:element name="FulfillmentExpenseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_FulfillmentExpenseMember"/>
  <xs:element name="LenderWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_LenderWarrantMember"/>
  <xs:element name="PIPEWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_PIPEWarrantMember"/>
  <xs:element name="PIPEWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_PIPEWarrantsMember"/>
  <xs:element name="PreFundedWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_PreFundedWarrantsMember"/>
  <xs:element name="ProductAndTechnologyExpenseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_ProductAndTechnologyExpenseMember"/>
  <xs:element name="PromissoryNoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_PromissoryNoteMember"/>
  <xs:element name="SalesTaxPayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_SalesTaxPayableMember"/>
  <xs:element name="SecondCheckMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_SecondCheckMember"/>
  <xs:element name="StockIncentivePlan2013And2021Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_StockIncentivePlan2013And2021Member"/>
  <xs:element name="StockIncentivePlan2013Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_StockIncentivePlan2013Member"/>
  <xs:element name="StockIncentivePlan2021Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_StockIncentivePlan2021Member"/>
  <xs:element name="SupplierOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_SupplierOneMember"/>
  <xs:element name="SupplyDevelopmentExpenseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_SupplyDevelopmentExpenseMember"/>
  <xs:element name="TaxYear2037Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_TaxYear2037Member"/>
  <xs:element name="TaxYear2044Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_TaxYear2044Member"/>
  <xs:element name="UnderwriterWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_UnderwriterWarrantsMember"/>
  <xs:element name="WebsiteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_WebsiteMember"/>
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ispc_DocumentAndEntityInformationAbstract"/>
</xs:schema>
