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  <xs:element name="DebtConversionMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_DebtConversionMember"/>
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  <xs:element name="FebruaryFiveTwoThousandTwentyFiveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_FebruaryFiveTwoThousandTwentyFiveMember"/>
  <xs:element name="FifthWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_FifthWarrantMember"/>
  <xs:element name="FifthWarrantOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_FifthWarrantOneMember"/>
  <xs:element name="FindersFeeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_FindersFeeMember"/>
  <xs:element name="FirstFireMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_FirstFireMember"/>
  <xs:element name="FirstWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_FirstWarrantMember"/>
  <xs:element name="FormerDirectorAndFormerCochiefExecutiveOfficerMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_FormerDirectorAndFormerCochiefExecutiveOfficerMember"/>
  <xs:element name="FourthWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_FourthWarrantMember"/>
  <xs:element name="GenexosomeTechnologiesIncGenexosomeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_GenexosomeTechnologiesIncGenexosomeMember"/>
  <xs:element name="InternalUseSoftwareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_InternalUseSoftwareMember"/>
  <xs:element name="InvestmentInLaboratoryServicesMSOLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_InvestmentInLaboratoryServicesMSOLLCMember"/>
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  <xs:element name="LaboratoryEquipmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_LaboratoryEquipmentMember"/>
  <xs:element name="LaboratoryServicesMSOLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_LaboratoryServicesMSOLLCMember"/>
  <xs:element name="LaboratoryServicesMSOMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_LaboratoryServicesMSOMember"/>
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  <xs:element name="March72024FiveYearAnniversaryMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_March72024FiveYearAnniversaryMember"/>
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  <xs:element name="MastHillFundLPMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_MastHillFundLPMember"/>
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  <xs:element name="SeriesBStatedValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_SeriesBStatedValueMember"/>
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  <xs:element name="ThirdWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_ThirdWarrantMember"/>
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  <xs:element name="UnsecuredBridgeNoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_UnsecuredBridgeNoteMember"/>
  <xs:element name="WaiverFeeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_WaiverFeeMember"/>
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  <xs:element name="BasisOfPresentationAndGoingConcernConditionLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_BasisOfPresentationAndGoingConcernConditionLineItems"/>
  <xs:element name="PrepaidExpenseAndOtherCurrentAssetsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="chga_PrepaidExpenseAndOtherCurrentAssetsLineItems"/>
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