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    <element id="PPCB_ServicesAgreementMember" name="ServicesAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DrKenyonMember" name="DrKenyonMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_JamesNathanielszMember" name="JamesNathanielszMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_BoardOfDirectorsMember" name="BoardOfDirectorsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_LenderOneMember" name="LenderOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_LenderTwoMember" name="LenderTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_LenderThreeMember" name="LenderThreeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ConvertibleAndNonconvertibleDebtBenchmarkMember" name="ConvertibleAndNonconvertibleDebtBenchmarkMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_LenderFourMember" name="LenderFourMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ReceivableMember" name="ReceivableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_LenderFiveMember" name="LenderFiveMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ConvertibleDebtBenchmarkMember" name="ConvertibleDebtBenchmarkMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PromissoryNotesOneMember" name="PromissoryNotesOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_CaresActMember" name="CaresActMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_NewDerivativeInstrumentsMember" name="NewDerivativeInstrumentsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_GoodsAndServicesTaxReceivableCurrent" name="GoodsAndServicesTaxReceivableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_CommonStockIssuable" name="CommonStockIssuable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_TreasuryStockPricePerShare" name="TreasuryStockPricePerShare" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_TemporaryEquityStatedValue" name="TemporaryEquityStatedValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_CommonStockIssuableShares" name="CommonStockIssuableShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DerivativeExpense" name="DerivativeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeemedDividendUponIssuanceOfPreferredStock" name="DeemedDividendUponIssuanceOfPreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodValueOfCommonStockForAlternateCashlessExerciseOfWarrants" name="StockIssuedDuringPeriodValueOfCommonStockForAlternateCashlessExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodSharesOfCommonStockForAlternateCashlessExerciseOfWarrants" name="StockIssuedDuringPeriodSharesOfCommonStockForAlternateCashlessExerciseOfWarrants" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodValueIssuableShares" name="StockIssuedDuringPeriodValueIssuableShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodSharesIssuableShares" name="StockIssuedDuringPeriodSharesIssuableShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RelativeFairValueOfWarrantGrantedInConnectionWithLoanPayableRelatedParty" name="RelativeFairValueOfWarrantGrantedInConnectionWithLoanPayableRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeemedDividendUponAlternateCashlessExerciseOfWarrants" name="DeemedDividendUponAlternateCashlessExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodValueIssuanceOfCommonStockRelatedToDebtExchangeAgreement" name="StockIssuedDuringPeriodValueIssuanceOfCommonStockRelatedToDebtExchangeAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodSharesIssuanceOfCommonStockRelatedToDebtExchangeAgreement" name="StockIssuedDuringPeriodSharesIssuanceOfCommonStockRelatedToDebtExchangeAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodValueIssuanceOfCommonStockRelatedToWarrantExchangeAgreement" name="StockIssuedDuringPeriodValueIssuanceOfCommonStockRelatedToWarrantExchangeAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodSharesIssuanceOfCommonStockRelatedToWarrantExchangeAgreement" name="StockIssuedDuringPeriodSharesIssuanceOfCommonStockRelatedToWarrantExchangeAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodValueReverseStockSplits" name="StockIssuedDuringPeriodValueReverseStockSplits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_AllowanceOnRefundableAdvanceDeposit" name="AllowanceOnRefundableAdvanceDeposit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_IncreaseDecreaseInRefundableAdvanceDeposit" name="IncreaseDecreaseInRefundableAdvanceDeposit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_CashPaidDuringYearAbstract" name="CashPaidDuringYearAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ReductionOfPutPremiumRelatedToConversionsOfConvertibleNotes" name="ReductionOfPutPremiumRelatedToConversionsOfConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ConversionOfConvertibleNotesAndAccruedInterestToCommonStock" name="ConversionOfConvertibleNotesAndAccruedInterestToCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DefferredOfferingCostChargedToAdditionalPaidInCapitalUponClosingOfOffering" name="DefferredOfferingCostChargedToAdditionalPaidInCapitalUponClosingOfOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DebtDiscountsRelatedToDerivativeLiability" name="DebtDiscountsRelatedToDerivativeLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeemedDividendRelatedPreferredStock" name="DeemedDividendRelatedPreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SettlementOfAccountsPayableForSharesOfCommonStock" name="SettlementOfAccountsPayableForSharesOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SettlementOfLoansToFormerDirectorForSharesOfCommonStock" name="SettlementOfLoansToFormerDirectorForSharesOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SettlementOfLoansPayableIncludingAccruedInterestForSharesOfCommonStock" name="SettlementOfLoansPayableIncludingAccruedInterestForSharesOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_OperatingleaseRightofuseAssetAndOperatingLeaseLiabilityPursuantToAsc842" name="OperatingleaseRightofuseAssetAndOperatingLeaseLiabilityPursuantToAsc842" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RelativeFairValueOfWarrantGrantedInConnectionsWithLoanPayableRelatedParty" name="RelativeFairValueOfWarrantGrantedInConnectionsWithLoanPayableRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_IssuanceOfCommonStockForPrepaidServicesNetOfAmortizedPortion" name="IssuanceOfCommonStockForPrepaidServicesNetOfAmortizedPortion" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeemedDividendUponAlternateCashlessExerciseOfWarrants1" name="DeemedDividendUponAlternateCashlessExerciseOfWarrants1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DisclosureNotesPayableAndConvertibleNotesAbstract" name="DisclosureNotesPayableAndConvertibleNotesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_NotesPayableAndConvertibleNotesTextBlock" name="NotesPayableAndConvertibleNotesTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_NatureOfOperationsPolicyTextBlock" name="NatureOfOperationsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PrepaidExpensesPolicyTextBlock" name="PrepaidExpensesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeferredOfferingCostsPolicyTextBlock" name="DeferredOfferingCostsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_GoodsAndServicesTaxPolicyTextBlock" name="GoodsAndServicesTaxPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ConvertibleNotesPolicyTextBlock" name="ConvertibleNotesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_WarrantLiabilityPolicyTextBlock" name="WarrantLiabilityPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RefundableAdvanceDepositPolicyTextBlock" name="RefundableAdvanceDepositPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ScheduleOfPropertyAndEquipmentEstimatedUsefulLivesTableTextBlock" name="ScheduleOfPropertyAndEquipmentEstimatedUsefulLivesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_FairValueWarrantLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" name="FairValueWarrantLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ScheduleOfRightUseOfAssetTableTextBlock" name="ScheduleOfRightUseOfAssetTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ScheduleOfWarrantLiabilitiesAtFairValueTableTextBlock" name="ScheduleOfWarrantLiabilitiesAtFairValueTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SignificantAccountingAbstract" name="SignificantAccountingAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SignificantAccountingTable" name="SignificantAccountingTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="PPCB_WarrantsIssued" name="WarrantsIssued" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RefundableAdvanceDeposit" name="RefundableAdvanceDeposit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_AllowanceForRecoverabilityOfRefundableAdvanceDeposit" name="AllowanceForRecoverabilityOfRefundableAdvanceDeposit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SubstantialDoubtAboutGoingConcernAbstract" name="SubstantialDoubtAboutGoingConcernAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SubstantialDoubtAboutGoingConcernTable" name="SubstantialDoubtAboutGoingConcernTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="PPCB_SubstantialDoubtAboutGoingConcernLineItems" name="SubstantialDoubtAboutGoingConcernLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_WorkingCapitalDeficit" name="WorkingCapitalDeficit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SettlementOfLoansForSharesOfCommonStock" name="SettlementOfLoansForSharesOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_InterestPayable" name="InterestPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_InterestLoanPayable" name="InterestLoanPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_NotesPayableAndConvertibleNotesAbstract" name="NotesPayableAndConvertibleNotesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_NotesPayableAndConvertibleNotesTable" name="NotesPayableAndConvertibleNotesTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="PPCB_NotesPayableAndConvertibleNotesLineItems" name="NotesPayableAndConvertibleNotesLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DebtInstrumentDebtDefaultInterestRate" name="DebtInstrumentDebtDefaultInterestRate" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DebtInstrumentDebtConversionRate" name="DebtInstrumentDebtConversionRate" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DebtInstrumentDiscountRate" name="DebtInstrumentDiscountRate" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_BeneficialOwnershipLimitationPercentage" name="BeneficialOwnershipLimitationPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PercentageOfOutstandingSharesOfCommonStock" name="PercentageOfOutstandingSharesOfCommonStock" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DebtInstrumentSettlementDebtAmount" name="DebtInstrumentSettlementDebtAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PenaltyAmount" name="PenaltyAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DebtInstrumentIncreasePrincipalPercentage" name="DebtInstrumentIncreasePrincipalPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DebtDefaultAmountPercentage" name="DebtDefaultAmountPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DebtInstrumentGuaranteedInterest" name="DebtInstrumentGuaranteedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_InitialFairValueOfWarrantLiabilityUponIssuance" name="InitialFairValueOfWarrantLiabilityUponIssuance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PreferredStockStatedValuePerShare" name="PreferredStockStatedValuePerShare" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PreferredStockStatedValuePercentage" name="PreferredStockStatedValuePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DividendRateAnnualIncreasePercentage" name="DividendRateAnnualIncreasePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PreferredStockConversionPrice" name="PreferredStockConversionPrice" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PreferredStockConversionBasisForBankruptcy" name="PreferredStockConversionBasisForBankruptcy" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PreferredStockFairValueAmount" name="PreferredStockFairValueAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PreferredStockDeemedDividendAmount" name="PreferredStockDeemedDividendAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RegistrationRightsPenaltyAmount" name="RegistrationRightsPenaltyAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageOutstanding" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageOutstanding" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAveragePriceIssued" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAveragePriceIssued" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAveragePriceExercised" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAveragePriceExercised" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAveragePriceForfeited" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAveragePriceForfeited" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAveragePriceExpired" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAveragePriceExpired" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisableNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisableNumber" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisable" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisable" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsEquityInstrumentsOutstandingWeightedAverageRemainingContractualTerms" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsEquityInstrumentsOutstandingWeightedAverageRemainingContractualTerms" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsEquityInstrumentsAggregateIntrinsicValueOutstanding" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsEquityInstrumentsAggregateIntrinsicValueOutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentWeightedAverageOutstanding" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentWeightedAverageOutstanding" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_NetProceedsFromIssuanceOfCommonStock" name="NetProceedsFromIssuanceOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ReclassifiedFromPremiumLiabilitiesToAdditionalPaidInCapital" name="ReclassifiedFromPremiumLiabilitiesToAdditionalPaidInCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_MonthlyFeeForServices" name="MonthlyFeeForServices" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_UnrecognizedRestrictedStockUnitsExpense" name="UnrecognizedRestrictedStockUnitsExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SubscriptionReceivableValue" name="SubscriptionReceivableValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_AgreementTerm" name="AgreementTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_EquityLineAgreementDrawdownNoticeDescription" name="EquityLineAgreementDrawdownNoticeDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_SubscriptionReceivable" name="SubscriptionReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PercentageOfAverageDailyTradingVolume" name="PercentageOfAverageDailyTradingVolume" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ClassOfWarrantOrRightAlternateExercisePriceOfWarrantsOrRights1" name="ClassOfWarrantOrRightAlternateExercisePriceOfWarrantsOrRights1" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ClassOfWarrantOrRightAlternateExercisePriceOfWarrantsOrRights2" name="ClassOfWarrantOrRightAlternateExercisePriceOfWarrantsOrRights2" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ClassOfWarrantOrRightAlternateExercisePriceOfWarrantsAtHolderOption" name="ClassOfWarrantOrRightAlternateExercisePriceOfWarrantsAtHolderOption" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PercentageOfExercisePriceAndMarketPrice" name="PercentageOfExercisePriceAndMarketPrice" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeemedDividend" name="DeemedDividend" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PrepaidShareBasedCompensation" name="PrepaidShareBasedCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_EquityPurchaseAgreementDescription" name="EquityPurchaseAgreementDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodSharesExerciseOfWarrants" name="StockIssuedDuringPeriodSharesExerciseOfWarrants" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_StockIssuedDuringPeriodValueExerciseOfWarrants" name="StockIssuedDuringPeriodValueExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_OperatingLeasesIncomeStatementRevenuePercentage" name="OperatingLeasesIncomeStatementRevenuePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PaymentForServices" name="PaymentForServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RoyaltyPercentage" name="RoyaltyPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RoyaltiesPercentage" name="RoyaltiesPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_UnreimbursedLabFees" name="UnreimbursedLabFees" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_IncrementalBorrowingRate" name="IncrementalBorrowingRate" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_OperatingLeaseRightOfUseAssets" name="OperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_AccumulatedReduction" name="AccumulatedReduction" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_OfficeLeaseLiability" name="OfficeLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_ReductionOfLeaseLiability" name="ReductionOfLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RelatedPartyTransactionsTable" name="RelatedPartyTransactionsTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="PPCB_OperatingLeasesRentExpenseMinimumRental" name="OperatingLeasesRentExpenseMinimumRental" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_GoodsAndServiceTax" name="GoodsAndServiceTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_OperatingLeaseFutureMinimumPaymentsDue" name="OperatingLeaseFutureMinimumPaymentsDue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RentPayable" name="RentPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_BaseSalaryPerMonth" name="BaseSalaryPerMonth" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PercentageOfPensionOfMonthlySalary" name="PercentageOfPensionOfMonthlySalary" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_PercentageOfBonusOfAnnualBaseSalary" name="PercentageOfBonusOfAnnualBaseSalary" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_BonusPayable" name="BonusPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RemainingBalanceOfBonusPayable" name="RemainingBalanceOfBonusPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_RemainingBonusAmount" name="RemainingBonusAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_WarrantLiability" name="WarrantLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DebtInstrumentIssuanceDateDescription" name="DebtInstrumentIssuanceDateDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeferredTaxAssetsWarrantDerivativeLiability" name="DeferredTaxAssetsWarrantDerivativeLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeferredTaxAssetsPrepaidInvestorServices" name="DeferredTaxAssetsPrepaidInvestorServices" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeferredTaxAssetsNonCashInterest" name="DeferredTaxAssetsNonCashInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeferredTaxAssetsGainOnExtinguishmentOfDebt" name="DeferredTaxAssetsGainOnExtinguishmentOfDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_DeferredTaxLiabilitiesForeignExchangeLoss" name="DeferredTaxLiabilitiesForeignExchangeLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_WarrantsAbstract" name="WarrantsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_WarrantsTable" name="WarrantsTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="PPCB_WarrantsLineItems" name="WarrantsLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="PPCB_UnrecognizedTaxBenefitPeriodIncreaseDecrease" name="UnrecognizedTaxBenefitPeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
