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  <xs:element name="SalePricePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="labt_SalePricePercentage"/>
  <xs:element name="ConsecutiveTradingDays" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_ConsecutiveTradingDays"/>
  <xs:element name="VariablePricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="labt_VariablePricePerShare"/>
  <xs:element name="FixedPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="labt_FixedPricePerShare"/>
  <xs:element name="FloorPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="labt_FloorPricePerShare"/>
  <xs:element name="BeneficialPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="labt_BeneficialPercentage"/>
  <xs:element name="CumulativeDividendsPerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="labt_CumulativeDividendsPerShare"/>
  <xs:element name="OutstandingCommonStockPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="labt_OutstandingCommonStockPercentage"/>
  <xs:element name="UnregisteredCommonStockPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="labt_UnregisteredCommonStockPercentage"/>
  <xs:element name="StockBasedCompensationDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="labt_StockBasedCompensationDetailsTable"/>
  <xs:element name="SubsequentEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="labt_SubsequentEventsDetailsTable"/>
  <xs:element name="PercentageOfGelFormulations" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="labt_PercentageOfGelFormulations"/>
  <xs:element name="EstimatedProjectCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="labt_EstimatedProjectCost"/>
  <xs:element name="PercentageOfBilledAtCost" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_PercentageOfBilledAtCost"/>
  <xs:element name="PaymentTerms" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_PaymentTerms"/>
  <xs:element name="ClinicalAndPreclinicalActivitiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_ClinicalAndPreclinicalActivitiesMember"/>
  <xs:element name="CommonStockWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_CommonStockWarrantsMember"/>
  <xs:element name="ConvertiblePromissoryNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_ConvertiblePromissoryNotesMember"/>
  <xs:element name="CorporateExpensesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_CorporateExpensesMember"/>
  <xs:element name="FacilityCostsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_FacilityCostsMember"/>
  <xs:element name="InvestorsManagementAndDirectorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_InvestorsManagementAndDirectorsMember"/>
  <xs:element name="MrTuckerMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_MrTuckerMember"/>
  <xs:element name="OtherMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_OtherMember"/>
  <xs:element name="PersonnelMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_PersonnelMember"/>
  <xs:element name="ProfessionalServicesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_ProfessionalServicesMember"/>
  <xs:element name="ReverseSplitMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_ReverseSplitMember"/>
  <xs:element name="SeriesAConvertiblePreferredSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_SeriesAConvertiblePreferredSharesMember"/>
  <xs:element name="SeriesAConvertiblePreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_SeriesAConvertiblePreferredStockMember"/>
  <xs:element name="SeriesBAccruingDividendsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_SeriesBAccruingDividendsMember"/>
  <xs:element name="SeriesBConvertiblePreferredSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_SeriesBConvertiblePreferredSharesMember"/>
  <xs:element name="SeriesBConvertiblePreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_SeriesBConvertiblePreferredStockMember"/>
  <xs:element name="SeriesBConvertibleSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_SeriesBConvertibleSharesMember"/>
  <xs:element name="SeriesCConvertiblePreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_SeriesCConvertiblePreferredStockMember"/>
  <xs:element name="SharesReservedForFutureIssuanceUnderTheTwoThousandTwentyEquityIncentivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_SharesReservedForFutureIssuanceUnderTheTwoThousandTwentyEquityIncentivePlanMember"/>
  <xs:element name="ShortTermNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_ShortTermNotesMember"/>
  <xs:element name="ShortTermPromissoryNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_ShortTermPromissoryNotesMember"/>
  <xs:element name="StockOptionsOutstandingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_StockOptionsOutstandingMember"/>
  <xs:element name="TwoThousandTwentyEquityIncentivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_TwoThousandTwentyEquityIncentivePlanMember"/>
  <xs:element name="WarrantsOutstandingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_WarrantsOutstandingMember"/>
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  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="labt_DocumentAndEntityInformationAbstract"/>
</xs:schema>
