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  <xsd:import namespace="http://xbrl.sec.gov/ecd-sub/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-sub-2024.xsd" />
  <xsd:element name="SeriesBConvertiblePreferredStockMember" id="avbp_SeriesBConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PrepaidExpensesAndOtherCurrentAssetsTextBlock" id="avbp_PrepaidExpensesAndOtherCurrentAssetsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PrepaidResearchAndDevelopment" id="avbp_PrepaidResearchAndDevelopment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PrepaidProfessionalFees" id="avbp_PrepaidProfessionalFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TaxCreditReceivableCurrent" id="avbp_TaxCreditReceivableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="BusinessDescriptionAbstract" id="avbp_BusinessDescriptionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DevelopmentStageRisksAndLiquidityAbstract" id="avbp_DevelopmentStageRisksAndLiquidityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DevelopmentStageRisksAndLiquidityTextBlock" id="avbp_DevelopmentStageRisksAndLiquidityTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AccruedResearchAndDevelopmentCurrent" id="avbp_AccruedResearchAndDevelopmentCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AarvikPharmaceuticalsIncMember" id="avbp_AarvikPharmaceuticalsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeriesaConvertiblePreferredStockMember" id="avbp_SeriesaConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EmployeeDirectorAndConsultantEquityIncentivePlan2021Member" id="avbp_EmployeeDirectorAndConsultantEquityIncentivePlan2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShanghaiAllistPharmaceuticalsCo.Ltd.Member" id="avbp_ShanghaiAllistPharmaceuticalsCo.Ltd.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TemporaryEquitySharesConversionToCommonStock" id="avbp_TemporaryEquitySharesConversionToCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TemporaryEquityValueConversionToCommonStock" id="avbp_TemporaryEquityValueConversionToCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredOfferingCostsTransferredToAdditionalPaidInCapital" id="avbp_DeferredOfferingCostsTransferredToAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="EmployeeDirectorAndConsultantEquityIncentivePlan2024Member" id="avbp_EmployeeDirectorAndConsultantEquityIncentivePlan2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AlphamabBiopharmaceuticalsCo.Ltd.Member" id="avbp_AlphamabBiopharmaceuticalsCo.Ltd.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsSharePrice" id="avbp_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsSharePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ArrangementInitiationFee" id="avbp_ArrangementInitiationFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ArrangementMaximumPaymentCommercialMilestones" id="avbp_ArrangementMaximumPaymentCommercialMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ArrangementMaximumPaymentStatementOfWork" id="avbp_ArrangementMaximumPaymentStatementOfWork" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ArrangementCostReimbursementReceived" id="avbp_ArrangementCostReimbursementReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ArrangementNonRefundableCashPayment" id="avbp_ArrangementNonRefundableCashPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ArrangementMaximumPaymentClinicalAndRegulatoryMilestones" id="avbp_ArrangementMaximumPaymentClinicalAndRegulatoryMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LicensesAndArrangementsAbstract" id="avbp_LicensesAndArrangementsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LicenseAndArrangementsTextBlock" id="avbp_LicenseAndArrangementsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockIssuedDuringPeriodSharesIssuedInExecutionOfAgreement" id="avbp_StockIssuedDuringPeriodSharesIssuedInExecutionOfAgreement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ArrangementMaximumPaymentPerProductClinicalAndRegulatoryMilestones" id="avbp_ArrangementMaximumPaymentPerProductClinicalAndRegulatoryMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ArrangementMaximumPaymentPerProductCommercialMilestones" id="avbp_ArrangementMaximumPaymentPerProductCommercialMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ArrangementOptionToLicenseAndAcquireIntellectualPropertyPayment" id="avbp_ArrangementOptionToLicenseAndAcquireIntellectualPropertyPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CollaborativeArrangementGlobalTechnologyTransferAndLicenseAgreementMember" id="avbp_CollaborativeArrangementGlobalTechnologyTransferAndLicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CollaborativeArrangementClinicalCollaborationAgreementMember" id="avbp_CollaborativeArrangementClinicalCollaborationAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LicenseAndCollaborationAgreementsPolicyPolicyTextBlock" id="avbp_LicenseAndCollaborationAgreementsPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SingleReportableSegmentMember" id="avbp_SingleReportableSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DrugFirmonertinibMember" id="avbp_DrugFirmonertinibMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResearchAndDevelopmentExpenseDiscoveryStagePrograms" id="avbp_ResearchAndDevelopmentExpenseDiscoveryStagePrograms" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ResearchAndDevelopmentExpensePersonnelRelatedAndOtherInternalCosts" id="avbp_ResearchAndDevelopmentExpensePersonnelRelatedAndOtherInternalCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="GeneralAndAdministrativeExpensePersonnelRelatedCosts" id="avbp_GeneralAndAdministrativeExpensePersonnelRelatedCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LepuBiopharmaMember" id="avbp_LepuBiopharmaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ArrangementMaximumPaymentNearTermMilestones" id="avbp_ArrangementMaximumPaymentNearTermMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CashCashEquivalentsShortTermInvestmentsAndLongTermInvestments" id="avbp_CashCashEquivalentsShortTermInvestmentsAndLongTermInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ArrangementPaymentsMilestones" id="avbp_ArrangementPaymentsMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ResearchAndDevelopmentExpenseProductWithSpecifiedIngredient" id="avbp_ResearchAndDevelopmentExpenseProductWithSpecifiedIngredient" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DrugFirmonertinibFurventMember" id="avbp_DrugFirmonertinibFurventMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DrugFirmonertinibFurtherMember" id="avbp_DrugFirmonertinibFurtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DrugFirmonertinibFavourMember" id="avbp_DrugFirmonertinibFavourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResearchAndDevelopmentExpenseProductWithSpecifiedIngredientOther" id="avbp_ResearchAndDevelopmentExpenseProductWithSpecifiedIngredientOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LicenseAgreementMember" id="avbp_LicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsFromIssuanceInitialPublicOfferingNet" id="avbp_ProceedsFromIssuanceInitialPublicOfferingNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ArrangementMaximumPaymentDevelopmentAndRegulatoryMilestones" id="avbp_ArrangementMaximumPaymentDevelopmentAndRegulatoryMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ArrangementInitiationAndResearchFeesPayment" id="avbp_ArrangementInitiationAndResearchFeesPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ShelfRegistrationStatement2025Member" id="avbp_ShelfRegistrationStatement2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SecuritiesOfferingAuthorizedAmount" id="avbp_SecuritiesOfferingAuthorizedAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SecuritiesOfferingRemainingAuthorizedAmount" id="avbp_SecuritiesOfferingRemainingAuthorizedAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SiliconValleyBankLoanAndSecurityAgreementMember" id="avbp_SiliconValleyBankLoanAndSecurityAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResearchAndDevelopmentExpenseApprovalOfTargetPairSelection" id="avbp_ResearchAndDevelopmentExpenseApprovalOfTargetPairSelection" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ResearchAndDevelopmentExpenseCostReimbursements" id="avbp_ResearchAndDevelopmentExpenseCostReimbursements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ProceedsFromIssuanceInitialPublicOfferingOrAtMarketOfferingNet" id="avbp_ProceedsFromIssuanceInitialPublicOfferingOrAtMarketOfferingNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ProceedsFromAtMarketOfferingNet" id="avbp_ProceedsFromAtMarketOfferingNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacity" id="avbp_LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughTwoYearsFairValue" id="avbp_DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughTwoYearsFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
</xsd:schema>
