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    <element id="GCTK_DescriptionOfRegistrationRights" name="DescriptionOfRegistrationRights" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="GCTK_DescriptionOfBridgeStockHolderApproval" name="DescriptionOfBridgeStockHolderApproval" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="GCTK_PercentageOfSharesOutstanding" name="PercentageOfSharesOutstanding" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="GCTK_PercentageOfBeneficialOwnershipLimitation" name="PercentageOfBeneficialOwnershipLimitation" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="GCTK_CommitmentFeeAmount" name="CommitmentFeeAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="GCTK_LossContingencyAdditionalDamagesSoughtValue" name="LossContingencyAdditionalDamagesSoughtValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="GCTK_NumberOfSharesExchanged" name="NumberOfSharesExchanged" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="GCTK_StockIssuedDuringPeriodValueLossOnExtinguishmentOfDebt" name="StockIssuedDuringPeriodValueLossOnExtinguishmentOfDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="GCTK_MinimumBidPrice" name="MinimumBidPrice" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="GCTK_MinimumStockholdersEquity" name="MinimumStockholdersEquity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
