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  <xsd:element name="IncreaseDecreaseInSalesReturnLiability" id="acur_IncreaseDecreaseInSalesReturnLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element name="FinancedInsurancePremiums" id="acur_FinancedInsurancePremiums" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
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  <xsd:element name="IncreaseDecreaseInInterestPayableToRelatedParty" id="acur_IncreaseDecreaseInInterestPayableToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element name="DistributedAndSettledInCommonStockMember" id="acur_DistributedAndSettledInCommonStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="WaiverOfExercisePriceIfExerciseOfOptionOccursByCertainDate" id="acur_WaiverOfExercisePriceIfExerciseOfOptionOccursByCertainDate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element name="FiniteLivedIntangibleAssetsExpectedAmortizationExpensePerQuarter" id="acur_FiniteLivedIntangibleAssetsExpectedAmortizationExpensePerQuarter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="FiniteLivedIntangibleAssetsReserveForImpairment" id="acur_FiniteLivedIntangibleAssetsReserveForImpairment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
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  <xsd:element name="IncreaseDecreaseInLicenseFeeReceivableFromRelatedParties" id="acur_IncreaseDecreaseInLicenseFeeReceivableFromRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element name="WeightedAverageNumberOfSharesRestrictedStockNonVestedDiluted" id="acur_WeightedAverageNumberOfSharesRestrictedStockNonVestedDiluted" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GainOnPaycheckProtectionProgramLoanForgivenessCaresAct" id="acur_GainOnPaycheckProtectionProgramLoanForgivenessCaresAct" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInFinanceLeaseLiability" id="acur_IncreaseDecreaseInFinanceLeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
</xsd:schema>
