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  <xsd:element name="EquityIncentivePlan2024Member" id="zbio_EquityIncentivePlan2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EmployeeStockPurchasePlan2024Member" id="zbio_EmployeeStockPurchasePlan2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalSharesAuthorizedPercentageOfOutstandingStockMaximum" id="zbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalSharesAuthorizedPercentageOfOutstandingStockMaximum" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfAdditionalSharesToBeAuthorized" id="zbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfAdditionalSharesToBeAuthorized" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RelatedPartyTransactionReimbursablePatentRelatedCostsMaximum" id="zbio_RelatedPartyTransactionReimbursablePatentRelatedCostsMaximum" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LesseeOperatingSubleaseTermOfContract" id="zbio_LesseeOperatingSubleaseTermOfContract" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LesseeOperatingSubleaseLiabilityUndiscountedExcessAmount" id="zbio_LesseeOperatingSubleaseLiabilityUndiscountedExcessAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OperatingSubleaseEarlyTerminationFee" id="zbio_OperatingSubleaseEarlyTerminationFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CollaborativeArrangementRegulatoryAndCommercialMilestonesMaximumPaymentReceivableOnAchievementOfMilestone" id="zbio_CollaborativeArrangementRegulatoryAndCommercialMilestonesMaximumPaymentReceivableOnAchievementOfMilestone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CollaborativeArrangementNonRefundableUpfrontFee" id="zbio_CollaborativeArrangementNonRefundableUpfrontFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TemporaryEquityCommonStockIssuableUponConversionOfPreferredStock" id="zbio_TemporaryEquityCommonStockIssuableUponConversionOfPreferredStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ReconciliationOfCashCashEquivalentsAndRestrictedCashAndCashEquivalentsAbstract" id="zbio_ReconciliationOfCashCashEquivalentsAndRestrictedCashAndCashEquivalentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OwnershipPercentageByRelatedParty" id="zbio_OwnershipPercentageByRelatedParty" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NoncumulativeUndeclaredConvertiblePreferredStockDividendsBasic" id="zbio_NoncumulativeUndeclaredConvertiblePreferredStockDividendsBasic" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
</xsd:schema>
