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  <import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />

  <import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />

  <import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />

  <import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd" />

  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />

  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />

  <import namespace="http://fasb.org/us-types/2015-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2015/elts/us-types-2015-01-31.xsd" />

  <element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_DocumentAndEntityInformationAbstract" />

  <element name="CommonStockToBeIssuedValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="lbio_CommonStockToBeIssuedValue" />

  <element name="CostToInduceExchangeTransaction" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="lbio_CostToInduceExchangeTransaction" />

  <element name="CommonStockToBeIssuedMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_CommonStockToBeIssuedMember" />

  <element name="StockIssuedDuringPeriodValueForSettlementOfNotesPayableAndAccruedLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="lbio_StockIssuedDuringPeriodValueForSettlementOfNotesPayableAndAccruedLiabilities" />

  <element name="StockIssuedDuringPeriodSharesForSettlementOfNotesPayableAndAccruedLiabilities" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_StockIssuedDuringPeriodSharesForSettlementOfNotesPayableAndAccruedLiabilities" />

  <element name="StockIssuedDuringPeriodValuesIssuedForCash" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="lbio_StockIssuedDuringPeriodValuesIssuedForCash" />

  <element name="StockIssuedDuringPeriodShareIssuedForCash" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_StockIssuedDuringPeriodShareIssuedForCash" />

  <element name="CommonStockIssuedToInduceExchangeTransaction" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="lbio_CommonStockIssuedToInduceExchangeTransaction" />

  <element name="Commonstockissuedtoinduceexchangetransactionshares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_Commonstockissuedtoinduceexchangetransactionshares" />

  <element name="CommonStockIssuedUponExerciseOfWarrantsAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="lbio_CommonStockIssuedUponExerciseOfWarrantsAmount" />

  <element name="CommonStockIssuedUponExerciseOfWarrantsShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_CommonStockIssuedUponExerciseOfWarrantsShares" />

  <element name="CommonStockToBeIssuedShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="lbio_CommonStockToBeIssuedShares" />

  <element name="WorkingCapital" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="lbio_WorkingCapital" />

  <element name="ReclassificationOfStockBasedCompensationCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="lbio_ReclassificationOfStockBasedCompensationCost" />

  <element name="FiveCompaniesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_FiveCompaniesMember" />

  <element name="VariousOtherDomesticIssuersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_VariousOtherDomesticIssuersMember" />

  <element name="ForeignIssuerMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_ForeignIssuerMember" />

  <element name="SeriesConvertiblePreferredStockMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_SeriesConvertiblePreferredStockMember" />

  <element name="SharebasedcompensationarrangementbysharebasedpaymentawardoptionsadditionaldisclosuresAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_SharebasedcompensationarrangementbysharebasedpaymentawardoptionsadditionaldisclosuresAbstract" />

  <element name="AggregateintrinsicvalueAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_AggregateintrinsicvalueAbstract" />

  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract1Abstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract1Abstract" />

  <element name="AggregateIntrinsicValueAbstract1Abstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_AggregateIntrinsicValueAbstract1Abstract" />

  <element name="PlanTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_PlanTwoMember" />

  <element name="SharesIssuedPlanAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="lbio_SharesIssuedPlanAxis" />

  <element name="MoneyMarketFundsAndShortTerminvestmentsWeightedAverageTimeToMaturity" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_MoneyMarketFundsAndShortTerminvestmentsWeightedAverageTimeToMaturity" />

  <element name="Stockissuedduringperiodvaluetodirectors" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="lbio_Stockissuedduringperiodvaluetodirectors" />

  <element name="Stockissuedduringperiodsharestodirectors" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_Stockissuedduringperiodsharestodirectors" />

  <element name="Preferredstocksoldinprivateplacementvalue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="lbio_Preferredstocksoldinprivateplacementvalue" />

  <element name="PreferredStockSoldInPrivatePlacementShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_PreferredStockSoldInPrivatePlacementShares" />

  <element name="StockIssuedDuringPeriodValueForSettlementOfPayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="lbio_StockIssuedDuringPeriodValueForSettlementOfPayable" />

  <element name="StockIssuedDuringPeriodShareForSettlementOfPayable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_StockIssuedDuringPeriodShareForSettlementOfPayable" />

  <element name="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteSharePeriodRecognition" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteSharePeriodRecognition" />

  <element name="StockOptionSharesOutstanding" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="lbio_StockOptionSharesOutstanding" />

  <element name="CancellationOfVestedShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_CancellationOfVestedShares" />

  <element name="CreditorMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_CreditorMember" />

  <element name="ExchangeTransactionInducementExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="lbio_ExchangeTransactionInducementExpense" />

  <element name="IssuanceOfCommonStockUponConversionOfPreferredStockMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_IssuanceOfCommonStockUponConversionOfPreferredStockMember" />

  <element name="Effectiveincometaxratereconciliationexpectedratetotal1" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_Effectiveincometaxratereconciliationexpectedratetotal1" />

  <element name="PercentageOfIncreaseInLeaseRent" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_PercentageOfIncreaseInLeaseRent" />

  <element name="TampaLeaseMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_TampaLeaseMember" />

  <element name="SharesIssuedPlanDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_SharesIssuedPlanDomain" />

  <element name="SharesIssuedThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_SharesIssuedThreeMember" />

  <element name="TwoOwnersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_TwoOwnersMember" />

  <element name="WarrantToAaquired" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="lbio_WarrantToAaquired" />
</schema>

