| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com --> |
<!-- Created: Mon Mar 25 20:01:03 UTC 2024 --> |
<xs:schema elementFormDefault="qualified" xmlns:srt-types="http://fasb.org/srt-types/2023" targetNamespace="http://www.silopharma.com/20231231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:silo="http://www.silopharma.com/20231231" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:us-types="http://fasb.org/us-types/2023" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:xbrli="http://www.xbrl.org/2003/instance"> |
| <xs:annotation> |
| | <xs:appinfo> |
| | | <link:linkbaseRef xlink:type="simple" xlink:href="silo-20231231_lab.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef"/> |
| | | <link:linkbaseRef xlink:type="simple" xlink:href="silo-20231231_pre.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef"/> |
| | | <link:linkbaseRef xlink:type="simple" xlink:href="silo-20231231_def.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef"/> |
| | | <link:linkbaseRef xlink:type="simple" xlink:href="silo-20231231_cal.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef"/> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ConsolidatedBalanceSheet" id="silo_r_ConsolidatedBalanceSheet"> |
| <link:definition> 995301 - Statement - Consolidated Balance Sheets </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ConsolidatedBalanceSheet_Parentheticals" id="silo_r_ConsolidatedBalanceSheet_Parentheticals"> |
| <link:definition> 995302 - Statement - Consolidated Balance Sheets (Parentheticals) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ConsolidatedIncomeStatement" id="silo_r_ConsolidatedIncomeStatement"> |
| <link:definition> 995303 - Statement - Consolidated Statements of Operations and Comprehensive Loss </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ConsolidatedIncomeStatementAlt0" id="silo_r_ConsolidatedIncomeStatementAlt0"> |
| <link:definition> 995303 - Statement - Consolidated Statements of Operations and Comprehensive Loss Alternate 0 </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ConsolidatedIncomeStatement_Parentheticals" id="silo_r_ConsolidatedIncomeStatement_Parentheticals"> |
| <link:definition> 995304 - Statement - Consolidated Statements of Operations and Comprehensive Loss (Parentheticals) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ShareholdersEquityType2or3" id="silo_r_ShareholdersEquityType2or3"> |
| <link:definition> 995305 - Statement - Consolidated Statements of Changes in Stockholders’ Equity </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ConsolidatedCashFlow" id="silo_r_ConsolidatedCashFlow"> |
| <link:definition> 995306 - Statement - Consolidated Statements of Cash Flows </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/OrganizationandBusiness" id="silo_r_OrganizationandBusiness"> |
| <link:definition> 995307 - Disclosure - Organization and Business </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/SummaryofSignificantAccountingPolicies" id="silo_r_SummaryofSignificantAccountingPolicies"> |
| <link:definition> 995308 - Disclosure - Summary of Significant Accounting Policies </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/FairValueofFinancialInstrumentsandFairValueMeasurements" id="silo_r_FairValueofFinancialInstrumentsandFairValueMeasurements"> |
| <link:definition> 995309 - Disclosure - Fair Value of Financial Instruments and Fair Value Measurements </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/DisposaloftheDiscontinuedOperationsoftheNFIDBusiness" id="silo_r_DisposaloftheDiscontinuedOperationsoftheNFIDBusiness"> |
| <link:definition> 995310 - Disclosure - Disposal of the Discontinued Operations of the NFID Business </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/NoteReceivable" id="silo_r_NoteReceivable"> |
| <link:definition> 995311 - Disclosure - Note Receivable </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/StockholdersEquity" id="silo_r_StockholdersEquity"> |
| <link:definition> 995312 - Disclosure - Stockholders’ Equity </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/Concentrations" id="silo_r_Concentrations"> |
| <link:definition> 995313 - Disclosure - Concentrations </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/CommitmentsandContingencies" id="silo_r_CommitmentsandContingencies"> |
| <link:definition> 995314 - Disclosure - Commitments and Contingencies </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/IncomeTaxes" id="silo_r_IncomeTaxes"> |
| <link:definition> 995315 - Disclosure - Income Taxes </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/SubsequentEvents" id="silo_r_SubsequentEvents"> |
| <link:definition> 995316 - Disclosure - Subsequent Events </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/AccountingPoliciesByPolicy" id="silo_r_AccountingPoliciesByPolicy"> |
| <link:definition> 996000 - Disclosure - Accounting Policies, by Policy (Policies) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/SummaryofSignificantAccountingPoliciesTables" id="silo_r_SummaryofSignificantAccountingPoliciesTables"> |
| <link:definition> 996001 - Disclosure - Summary of Significant Accounting Policies (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/FairValueofFinancialInstrumentsandFairValueMeasurementsTables" id="silo_r_FairValueofFinancialInstrumentsandFairValueMeasurementsTables"> |
| <link:definition> 996002 - Disclosure - Fair Value of Financial Instruments and Fair Value Measurements (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/DisposaloftheDiscontinuedOperationsoftheNFIDBusinessTables" id="silo_r_DisposaloftheDiscontinuedOperationsoftheNFIDBusinessTables"> |
| <link:definition> 996003 - Disclosure - Disposal of the Discontinued Operations of the NFID Business (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/NoteReceivableTables" id="silo_r_NoteReceivableTables"> |
| <link:definition> 996004 - Disclosure - Note Receivable (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/StockholdersEquityTables" id="silo_r_StockholdersEquityTables"> |
| <link:definition> 996005 - Disclosure - Stockholders’ Equity (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/CommitmentsandContingenciesTables" id="silo_r_CommitmentsandContingenciesTables"> |
| <link:definition> 996006 - Disclosure - Commitments and Contingencies (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/IncomeTaxesTables" id="silo_r_IncomeTaxesTables"> |
| <link:definition> 996007 - Disclosure - Income Taxes (Tables) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/OrganizationandBusinessDetails" id="silo_r_OrganizationandBusinessDetails"> |
| <link:definition> 996008 - Disclosure - Organization and Business (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/SummaryofSignificantAccountingPoliciesDetails" id="silo_r_SummaryofSignificantAccountingPoliciesDetails"> |
| <link:definition> 996009 - Disclosure - Summary of Significant Accounting Policies (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofPotentiallyDilutiveSharesTable" id="silo_r_ScheduleofPotentiallyDilutiveSharesTable"> |
| <link:definition> 996010 - Disclosure - Summary of Significant Accounting Policies (Details) - Schedule of Potentially Dilutive Shares </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/FairValueofFinancialInstrumentsandFairValueMeasurementsDetails" id="silo_r_FairValueofFinancialInstrumentsandFairValueMeasurementsDetails"> |
| <link:definition> 996011 - Disclosure - Fair Value of Financial Instruments and Fair Value Measurements (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofFinancialAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisTable" id="silo_r_ScheduleofFinancialAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisTable"> |
| <link:definition> 996012 - Disclosure - Fair Value of Financial Instruments and Fair Value Measurements (Details) - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofSummarizesActivityintheCompanysShortTermInvestmentsandEquityInvestmentsatFairValueTable" id="silo_r_ScheduleofSummarizesActivityintheCompanysShortTermInvestmentsandEquityInvestmentsatFairValueTable"> |
| <link:definition> 996013 - Disclosure - Fair Value of Financial Instruments and Fair Value Measurements (Details) - Schedule of Summarizes Activity in the Company’s Short Term Investments and Equity Investments at Fair Value </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/DisposaloftheDiscontinuedOperationsoftheNFIDBusinessDetails" id="silo_r_DisposaloftheDiscontinuedOperationsoftheNFIDBusinessDetails"> |
| <link:definition> 996014 - Disclosure - Disposal of the Discontinued Operations of the NFID Business (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofOperatingResultofDiscontinuedOperationsoftheNFIDBusinessTable" id="silo_r_ScheduleofOperatingResultofDiscontinuedOperationsoftheNFIDBusinessTable"> |
| <link:definition> 996015 - Disclosure - Disposal of the Discontinued Operations of the NFID Business (Details) - Schedule of Operating Result of Discontinued Operations of the NFID Business </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/NoteReceivableDetails" id="silo_r_NoteReceivableDetails"> |
| <link:definition> 996016 - Disclosure - Note Receivable (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofNoteReceivableTable" id="silo_r_ScheduleofNoteReceivableTable"> |
| <link:definition> 996017 - Disclosure - Note Receivable (Details) - Schedule of Note Receivable </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/StockholdersEquityDetails" id="silo_r_StockholdersEquityDetails"> |
| <link:definition> 996018 - Disclosure - Stockholders’ Equity (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofStockOptionActivitiesTable" id="silo_r_ScheduleofStockOptionActivitiesTable"> |
| <link:definition> 996019 - Disclosure - Stockholders’ Equity (Details) - Schedule of Stock Option Activities </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofWarrantActivitiesTable" id="silo_r_ScheduleofWarrantActivitiesTable"> |
| <link:definition> 996020 - Disclosure - Stockholders’ Equity (Details) - Schedule of Warrant Activities </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ConcentrationsDetails" id="silo_r_ConcentrationsDetails"> |
| <link:definition> 996021 - Disclosure - Concentrations (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <!-- [WMV5][XcpuxYn59dz7vgYynUDuwG7r97K2jUTysl7vcz0lJt/tSeJz73kx1cLt0ZFF2SK/vxBCY0vdSrYRCCyonMiwgdQ2lJYzdzUOv9fI1l/VI08eZ/jN8gtVkovQNM+Tg8ySqLg3+WC1g4i1C0FowDB+JJ6vZGU2Zb4gNMIwDsAMZiEWauoJ3WqFTBJuAnXEEK8HERTRlnFgqdFP3tTsASEsgw90kSc27NBp9xZy8aFids2zNA0ooYt/rIyM5RbAtUsrR+CCvvOHHRpObwWaCc38Zw==] CSR --> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/CommitmentsandContingenciesDetails" id="silo_r_CommitmentsandContingenciesDetails"> |
| <link:definition> 996022 - Disclosure - Commitments and Contingencies (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofMilestonePaymentsTable" id="silo_r_ScheduleofMilestonePaymentsTable"> |
| <link:definition> 996023 - Disclosure - Commitments and Contingencies (Details) - Schedule of Milestone Payments </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofMinimumAnnualRoyaltyPaymentsTable" id="silo_r_ScheduleofMinimumAnnualRoyaltyPaymentsTable"> |
| <link:definition> 996024 - Disclosure - Commitments and Contingencies (Details) - Schedule of Minimum Annual Royalty Payments </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofShallPayUMBFeesTable" id="silo_r_ScheduleofShallPayUMBFeesTable"> |
| <link:definition> 996025 - Disclosure - Commitments and Contingencies (Details) - Schedule of Shall Pay UMB Fees </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofFutureAmountsDueUnderSponsoredStudyandResearchAgreementsTable" id="silo_r_ScheduleofFutureAmountsDueUnderSponsoredStudyandResearchAgreementsTable"> |
| <link:definition> 996026 - Disclosure - Commitments and Contingencies (Details) - Schedule of Future Amounts Due Under Sponsored Study and Research Agreements </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/IncomeTaxesDetails" id="silo_r_IncomeTaxesDetails"> |
| <link:definition> 996027 - Disclosure - Income Taxes (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofIncomeTaxesattheEffectiveStatutoryRateandtheProvisionforIncomeTaxesTable" id="silo_r_ScheduleofIncomeTaxesattheEffectiveStatutoryRateandtheProvisionforIncomeTaxesTable"> |
| <link:definition> 996028 - Disclosure - Income Taxes (Details) - Schedule of Income Taxes at the Effective Statutory Rate and the Provision for Income Taxes </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/ScheduleofNetDeferredTaxAssetTable" id="silo_r_ScheduleofNetDeferredTaxAssetTable"> |
| <link:definition> 996029 - Disclosure - Income Taxes (Details) - Schedule of Net Deferred Tax Asset </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/SubsequentEventsDetails" id="silo_r_SubsequentEventsDetails"> |
| <link:definition> 996030 - Disclosure - Subsequent Events (Details) </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.silopharma.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation"> |
| <link:definition> 000 - Document - Document And Entity Information </link:definition> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| </link:roleType> |
| | | </xs:appinfo> |
| | </xs:annotation> |
| <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/> |
| <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/> |
| <xs:import namespace="http://fasb.org/us-types/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-types-2023.xsd"/> |
| <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/> |
| <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/> |
| <xs:import namespace="http://fasb.org/srt-types/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-types-2023.xsd"/> |
| <xs:import namespace="http://xbrl.sec.gov/sic/2023" schemaLocation="https://xbrl.sec.gov/sic/2023/sic-2023.xsd"/> |
| <xs:import namespace="http://xbrl.sec.gov/ecd-sub/2023" schemaLocation="https://xbrl.sec.gov/ecd/2023/ecd-sub-2023.xsd"/> |
| <xs:import namespace="http://xbrl.sec.gov/dei-sub/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-sub-2023.xsd"/> |
| <xs:import namespace="http://xbrl.sec.gov/ecd/2023" schemaLocation="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd"/> |
| <xs:import namespace="http://xbrl.sec.gov/ecd-sub/2023" schemaLocation="https://xbrl.sec.gov/ecd/2023/ecd-sub-2023.xsd"/> |
| <xs:import namespace="http://xbrl.sec.gov/dei-sub/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-sub-2023.xsd"/> |
| <xs:element name="ScheduleOfPotentiallyDilutiveSharesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfPotentiallyDilutiveSharesAbstract"/> |
| <xs:element name="ScheduleOfFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract"/> |
| <xs:element name="ScheduleOfSummarizesActivityInTheCompanySShortTermInvestmentsAndEquityInvestmentsAtFairValueAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfSummarizesActivityInTheCompanySShortTermInvestmentsAndEquityInvestmentsAtFairValueAbstract"/> |
| <xs:element name="ScheduleOfStockOptionActivitiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfStockOptionActivitiesAbstract"/> |
| <xs:element name="ScheduleOfWarrantActivitiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfWarrantActivitiesAbstract"/> |
| <xs:element name="ScheduleOfMilestonePaymentsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfMilestonePaymentsAbstract"/> |
| <xs:element name="ScheduleOfMinimumAnnualRoyaltyPaymentsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfMinimumAnnualRoyaltyPaymentsAbstract"/> |
| <xs:element name="ScheduleOfShallPayUmbFeesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfShallPayUmbFeesAbstract"/> |
| <xs:element name="UnlabeledAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract"/> |
| <xs:element name="UnlabeledAbstract0" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract0"/> |
| <xs:element name="UnlabeledAbstract1" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract1"/> |
| <xs:element name="UnlabeledAbstract2" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract2"/> |
| <xs:element name="UnlabeledAbstract3" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract3"/> |
| <xs:element name="UnlabeledAbstract4" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract4"/> |
| <xs:element name="UnlabeledAbstract5" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract5"/> |
| <xs:element name="UnlabeledAbstract6" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract6"/> |
| <xs:element name="UnlabeledAbstract7" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract7"/> |
| <xs:element name="UnlabeledAbstract8" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract8"/> |
| <xs:element name="UnlabeledAbstract9" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract9"/> |
| <xs:element name="UnlabeledAbstract10" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract10"/> |
| <xs:element name="UnlabeledAbstract11" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract11"/> |
| <xs:element name="UnlabeledAbstract12" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract12"/> |
| <xs:element name="UnlabeledAbstract13" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract13"/> |
| <xs:element name="UnlabeledAbstract14" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract14"/> |
| <xs:element name="UnlabeledAbstract15" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract15"/> |
| <xs:element name="UnlabeledAbstract16" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract16"/> |
| <xs:element name="UnlabeledAbstract17" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract17"/> |
| <xs:element name="UnlabeledAbstract18" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract18"/> |
| <xs:element name="UnlabeledAbstract19" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract19"/> |
| <xs:element name="UnlabeledAbstract20" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract20"/> |
| <xs:element name="UnlabeledAbstract21" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract21"/> |
| <xs:element name="UnlabeledAbstract22" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract22"/> |
| <xs:element name="UnlabeledAbstract23" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract23"/> |
| <xs:element name="UnlabeledAbstract24" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract24"/> |
| <xs:element name="UnlabeledAbstract25" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract25"/> |
| <xs:element name="UnlabeledAbstract26" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract26"/> |
| <xs:element name="UnlabeledAbstract27" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract27"/> |
| <xs:element name="UnlabeledAbstract28" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract28"/> |
| <xs:element name="UnlabeledAbstract29" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract29"/> |
| <xs:element name="UnlabeledAbstract30" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract30"/> |
| <xs:element name="UnlabeledAbstract31" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract31"/> |
| <xs:element name="UnlabeledAbstract32" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract32"/> |
| <xs:element name="UnlabeledAbstract33" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract33"/> |
| <xs:element name="UnlabeledAbstract34" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract34"/> |
| <xs:element name="UnlabeledAbstract35" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract35"/> |
| <xs:element name="UnlabeledAbstract36" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract36"/> |
| <xs:element name="UnlabeledAbstract37" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract37"/> |
| <xs:element name="UnlabeledAbstract38" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract38"/> |
| <xs:element name="CashPaidDuringThePeriodForAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_CashPaidDuringThePeriodForAbstract"/> |
| <xs:element name="UnlabeledAbstract39" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UnlabeledAbstract39"/> |
| <xs:element name="PreferredStockDesignated" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="silo_PreferredStockDesignated"/> |
| <xs:element name="PenaltyFromEarlyTerminationOfCD" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_PenaltyFromEarlyTerminationOfCD"/> |
| <xs:element name="ProvisionForDoubtfulAccountsDiscontinuedOperations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_ProvisionForDoubtfulAccountsDiscontinuedOperations"/> |
| <xs:element name="AmortizationOfPrepaidStockbasedExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_AmortizationOfPrepaidStockbasedExpense"/> |
| <xs:element name="EquitySharesEarnedForServices" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_EquitySharesEarnedForServices"/> |
| <xs:element name="ChangeInAccumulatedOtherComprehensiveLossAndShorttermInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_ChangeInAccumulatedOtherComprehensiveLossAndShorttermInvestments"/> |
| <xs:element name="LiquidityPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_LiquidityPolicyTextBlock"/> |
| <xs:element name="EquityInvestmentsAtFairValuePolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_EquityInvestmentsAtFairValuePolicyTextBlock"/> |
| <xs:element name="PrepaidExpensesPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_PrepaidExpensesPolicyTextBlock"/> |
| <xs:element name="CostOfRevenuesPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_CostOfRevenuesPolicyTextBlock"/> |
| <xs:element name="ScheduleOfSummarizesActivityInTheCompanysShortTermInvestmentsAndEquityInvestmentsAtFairValueTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfSummarizesActivityInTheCompanysShortTermInvestmentsAndEquityInvestmentsAtFairValueTableTextBlock"/> |
| <xs:element name="ScheduleOfMilestonePaymentsTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfMilestonePaymentsTableTextBlock"/> |
| <xs:element name="ScheduleOfMinimumAnnualRoyaltyPaymentsTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfMinimumAnnualRoyaltyPaymentsTableTextBlock"/> |
| <xs:element name="ScheduleOfShallPayUMBFeesTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ScheduleOfShallPayUMBFeesTableTextBlock"/> |
| <xs:element name="FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsScheduleofFinancialAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsScheduleofFinancialAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisTable"/> |
| <xs:element name="FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsScheduleofFinancialAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsScheduleofFinancialAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisLineItems"/> |
| <xs:element name="FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsScheduleofSummarizesActivityintheCompanysShortTermInvestmentsandEquityInvestmentsatFairValueTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsScheduleofSummarizesActivityintheCompanysShortTermInvestmentsandEquityInvestmentsatFairValueTable"/> |
| <xs:element name="FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsScheduleofSummarizesActivityintheCompanysShortTermInvestmentsandEquityInvestmentsatFairValueLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsScheduleofSummarizesActivityintheCompanysShortTermInvestmentsandEquityInvestmentsatFairValueLineItems"/> |
| <xs:element name="AdditionsOfShortTermInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_AdditionsOfShortTermInvestments"/> |
| <xs:element name="AdditionsofEquitySecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_AdditionsofEquitySecurities"/> |
| <xs:element name="EquitySecuritiesSalesAtOriginalCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_EquitySecuritiesSalesAtOriginalCost"/> |
| <xs:element name="StockholdersEquityDetailsScheduleofStockOptionActivitiesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_StockholdersEquityDetailsScheduleofStockOptionActivitiesTable"/> |
| <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantedWeightedAverageRemainingContractualTerm1" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantedWeightedAverageRemainingContractualTerm1"/> |
| <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueGranted" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueGranted"/> |
| <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageRemainingContractualTermYearsGranted" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageRemainingContractualTermYearsGranted"/> |
| <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted"/> |
| <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfOptionsExercisable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfOptionsExercisable"/> |
| <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceExercisable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceExercisable"/> |
| <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageRemainingContractualTermYearsExercisable" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageRemainingContractualTermYearsExercisable"/> |
| <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercisable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercisable"/> |
| <xs:element name="CommitmentsandContingenciesDetailsScheduleofMilestonePaymentsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_CommitmentsandContingenciesDetailsScheduleofMilestonePaymentsTable"/> |
| <xs:element name="CommitmentsandContingenciesDetailsScheduleofMilestonePaymentsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_CommitmentsandContingenciesDetailsScheduleofMilestonePaymentsLineItems"/> |
| <xs:element name="MilestoneBalanceDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_MilestoneBalanceDescription"/> |
| <xs:element name="MilestonePayment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_MilestonePayment"/> |
| <xs:element name="CommitmentsandContingenciesDetailsScheduleofMinimumAnnualRoyaltyPaymentsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_CommitmentsandContingenciesDetailsScheduleofMinimumAnnualRoyaltyPaymentsTable"/> |
| <xs:element name="MinimumAnnualRoyaltyPaymentsDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_MinimumAnnualRoyaltyPaymentsDescription"/> |
| <xs:element name="CommitmentsandContingenciesDetailsScheduleofShallPayUMBFeesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_CommitmentsandContingenciesDetailsScheduleofShallPayUMBFeesTable"/> |
| <xs:element name="CommitmentsandContingenciesDetailsScheduleofShallPayUMBFeesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_CommitmentsandContingenciesDetailsScheduleofShallPayUMBFeesLineItems"/> |
| <xs:element name="PaymentDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_PaymentDescription"/> |
| <xs:element name="OrganizationandBusinessDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_OrganizationandBusinessDetailsTable"/> |
| <xs:element name="OrganizationandBusinessDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_OrganizationandBusinessDetailsLineItems"/> |
| <xs:element name="SummaryofSignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_SummaryofSignificantAccountingPoliciesDetailsTable"/> |
| <xs:element name="WorkingCapital" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="silo_WorkingCapital"/> |
| <xs:element name="CashSPICInsuredAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_CashSPICInsuredAmount"/> |
| <xs:element name="BadDebtExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="silo_BadDebtExpense"/> |
| <xs:element name="FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsTable"/> |
| <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodValue"/> |
| <xs:element name="DisposaloftheDiscontinuedOperationsoftheNFIDBusinessDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_DisposaloftheDiscontinuedOperationsoftheNFIDBusinessDetailsTable"/> |
| <xs:element name="NoteReceivableDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_NoteReceivableDetailsTable"/> |
| <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_StockholdersEquityDetailsTable"/> |
| <xs:element name="PreferredStockShareDesignated" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="silo_PreferredStockShareDesignated"/> |
| <xs:element name="RestrictedCommonSharePrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_RestrictedCommonSharePrice"/> |
| <xs:element name="CommonStockPurchaseCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="silo_CommonStockPurchaseCost"/> |
| <xs:element name="AggregateOfIncentiveStockOptions" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_AggregateOfIncentiveStockOptions"/> |
| <xs:element name="StockOptionValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="silo_StockOptionValue"/> |
| <xs:element name="ConcentrationsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_ConcentrationsDetailsTable"/> |
| <xs:element name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_CommitmentsandContingenciesDetailsTable"/> |
| <xs:element name="ExtensionFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="silo_ExtensionFee"/> |
| <xs:element name="CommercialSaleTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_CommercialSaleTerm"/> |
| <xs:element name="LicenseAgreementExpire" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_LicenseAgreementExpire"/> |
| <xs:element name="SublicenseIncomeReceivablePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SublicenseIncomeReceivablePercentage"/> |
| <xs:element name="DueToRelatedPartieCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="silo_DueToRelatedPartieCurrent"/> |
| <xs:element name="SalesOfLicensedProductsPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SalesOfLicensedProductsPercentage"/> |
| <xs:element name="SublicenseIncomePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SublicenseIncomePercentage"/> |
| <xs:element name="SublicenseAgreementAmountPaid" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_SublicenseAgreementAmountPaid"/> |
| <xs:element name="NonrefundableCashPayment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_NonrefundableCashPayment"/> |
| <xs:element name="NetSalePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_NetSalePercentage"/> |
| <xs:element name="LicensorShare" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_LicensorShare"/> |
| <xs:element name="AggregateOfConvertedShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_AggregateOfConvertedShares"/> |
| <xs:element name="RevenueTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_RevenueTerm"/> |
| <xs:element name="TradingPrice" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="silo_TradingPrice"/> |
| <xs:element name="SecuritiesReceived" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="silo_SecuritiesReceived"/> |
| <xs:element name="ConsiderationFeePayablePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ConsiderationFeePayablePercentage"/> |
| <xs:element name="UpfrontLicenseFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UpfrontLicenseFees"/> |
| <xs:element name="FirstCommercialSale" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_FirstCommercialSale"/> |
| <xs:element name="AgreementShallExpire" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_AgreementShallExpire"/> |
| <xs:element name="SponsoredStudyAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="silo_SponsoredStudyAgreement"/> |
| <xs:element name="SponsoredResearchAgreementDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SponsoredResearchAgreementDescription"/> |
| <xs:element name="ResearchProjectEstimatePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ResearchProjectEstimatePercentage"/> |
| <xs:element name="JointVentureInterestRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_JointVentureInterestRate"/> |
| <xs:element name="SubsequentEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="silo_SubsequentEventsDetailsTable"/> |
| <xs:element name="AikidoPharmaIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_AikidoPharmaIncMember"/> |
| <xs:element name="AmendedServiceAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_AmendedServiceAgreementMember"/> |
| <xs:element name="AmendmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_AmendmentMember"/> |
| <xs:element name="AmplifyBioResearchAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_AmplifyBioResearchAgreementMember"/> |
| <xs:element name="ConversionOfSeriesCConvertiblePreferredStockIntoCommonStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ConversionOfSeriesCConvertiblePreferredStockIntoCommonStockMember"/> |
| <xs:element name="CustomerConcentrationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_CustomerConcentrationMember"/> |
| <xs:element name="CustomerPatentLicenseAgreementWithAikidoPharmaIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_CustomerPatentLicenseAgreementWithAikidoPharmaIncMember"/> |
| <xs:element name="CustomerSublicenseAgreementWithAikidoPharmaIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_CustomerSublicenseAgreementWithAikidoPharmaIncMember"/> |
| <xs:element name="DanielRyweckMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_DanielRyweckMember"/> |
| <xs:element name="DrJamesKuoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_DrJamesKuoMember"/> |
| <xs:element name="EricWeisblumMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_EricWeisblumMember"/> |
| <xs:element name="ExtensionFeeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ExtensionFeeMember"/> |
| <xs:element name="FirstPaymentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_FirstPaymentMember"/> |
| <xs:element name="HomeBistroIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_HomeBistroIncMember"/> |
| <xs:element name="IncentiveStockOptionMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_IncentiveStockOptionMember"/> |
| <xs:element name="InvestigatorSponsoredStudyAgreementWithUniversityOfMarylandBaltimoreMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_InvestigatorSponsoredStudyAgreementWithUniversityOfMarylandBaltimoreMember"/> |
| <xs:element name="JVAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_JVAgreementMember"/> |
| <xs:element name="MasterLincenseAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_MasterLincenseAgreementMember"/> |
| <xs:element name="MrWeisblumMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_MrWeisblumMember"/> |
| <xs:element name="NoteReceivableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_NoteReceivableMember"/> |
| <xs:element name="OmnibusEquityIncentivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_OmnibusEquityIncentivePlanMember"/> |
| <xs:element name="PaymentFiveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_PaymentFiveMember"/> |
| <xs:element name="PaymentFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_PaymentFourMember"/> |
| <xs:element name="PaymentOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_PaymentOneMember"/> |
| <xs:element name="PaymentThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_PaymentThreeMember"/> |
| <xs:element name="PaymentTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_PaymentTwoMember"/> |
| <xs:element name="PromissoryNoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_PromissoryNoteMember"/> |
| <xs:element name="ResearchAgreementWithAmplifyBioMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ResearchAgreementWithAmplifyBioMember"/> |
| <xs:element name="ResearchAgreementWithReprocellMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ResearchAgreementWithReprocellMember"/> |
| <xs:element name="ResearchAgreementsWithUppertonPharmaSolutionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ResearchAgreementsWithUppertonPharmaSolutionsMember"/> |
| <xs:element name="SecondPaymentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SecondPaymentMember"/> |
| <xs:element name="SeriesCConversionPriceMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SeriesCConversionPriceMember"/> |
| <xs:element name="SeriesCConvertiblePreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SeriesCConvertiblePreferredStockMember"/> |
| <xs:element name="SeriesMConvertiblePreferredMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SeriesMConvertiblePreferredMember"/> |
| <xs:element name="SponsoredResearchAgreementWithColumbiaUniversityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SponsoredResearchAgreementWithColumbiaUniversityMember"/> |
| <xs:element name="SponsoredResearchAgreementWithTheRegentsOfTheUniversityOfCaliforniaMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SponsoredResearchAgreementWithTheRegentsOfTheUniversityOfCaliforniaMember"/> |
| <xs:element name="SponsoredResearchAgreementWithUniversityOfMarylandBaltimoreMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SponsoredResearchAgreementWithUniversityOfMarylandBaltimoreMember"/> |
| <xs:element name="StockOptionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_StockOptionsMember"/> |
| <xs:element name="SublicenseAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_SublicenseAgreementMember"/> |
| <xs:element name="ThirdAmendmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ThirdAmendmentMember"/> |
| <xs:element name="UniversityOfMarylandBaltimoreMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UniversityOfMarylandBaltimoreMember"/> |
| <xs:element name="UppertonResearchAgreementsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_UppertonResearchAgreementsMember"/> |
| <xs:element name="VendorMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_VendorMember"/> |
| <xs:element name="ZylTherapeuticsIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_ZylTherapeuticsIncMember"/> |
| <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="silo_DocumentAndEntityInformationAbstract"/> |
| </xs:schema> |