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Studies on Co-based catalysts supported on modified
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2009-08-03 00:00 416閱讀次數(shù)
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Studies on Co-based catalysts supported on modified
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Studies on Co-based catalysts supported on modified- Studies on Co-based catalysts supported on modified[詳細(xì)]
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2009-08-03 00:00
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Examples of Studies- Examples of Studies[詳細(xì)]
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The development of a continuous isothermal titration calorimetric method for equilibrium studies- The development of a continuous isothermal titration calorimetric method for equilibrium studies[詳細(xì)]
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2005-07-21 00:00
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- Characterization of stability, aggregation, and equilibrium properties of modified natural products
- Unstablebiopolymersolutionsinevitablyleadtomis-characterizationofmacromolecularpropertiesandirreproducibleresults.Evenunderstableorquasi-stableconditions,persistentaggregatescanhamperreliablecharacterization,especiallyusinglightscatteringmethods.Variouspitfallsincharacterizingbiopolymerswereworkedthrough,includingdeterminationofsolutionstabilityzones,dissolutionkinetics,estimationoffractionofaggregatepopulations,andtherelationshipbetweenbatchandfractionationmethods.Chitosans,polyampholyticbiopolymerswithisoelectricpointaroundpH=6.0,withvaryingdegreesofcarboxymethylationwerestudied.Instabilitywasdeterminedvs.pHandionicstrengthusingahighthroughputscreeningmethod,simultaneousmultiplesamplelightscattering(SMSLS).Withstablesolutionconditionsdetermined,equilibriumbatchandmulti-detectorGPCcharacterizationofmolecularweight,intrinsicviscosity,andpolyelectrolytepropertieswasmade.Finally,afirstattemptatcontinuousonlinemonitoringofthemodificationreactionitselfwasmadeandcomparedtoFTIRanalysisofcarboxymethylationondiscretealiquots.Giventherangeofpossiblecharacterizationproblems,multipleapproacheswithindependentinstrumentsmayberequiredforreliablenaturalproductcharacterization.Onlinemonitoringofmodificationreactionsmayleadtorapidadvancesinunderstandingandpreparationofnaturalproducts.[詳細(xì)]
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2018-08-31 10:11
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- Characterization of stability, aggregation, and equilibrium properties of modified natural products;
- Unstablebiopolymersolutionsinevitablyleadtomis-characterizationofmacromolecularpropertiesandirreproducibleresults.Evenunderstableorquasi-stableconditions,persistentaggregatescanhamperreliablecharacterization,especiallyusinglightscatteringmethods.Variouspitfallsincharacterizingbiopolymerswereworkedthrough,includingdeterminationofsolutionstabilityzones,dissolutionkinetics,estimationoffractionofaggregatepopulations,andtherelationshipbetweenbatchandfractionationmethods.Chitosans,polyampholyticbiopolymerswithisoelectricpointaroundpH=6.0,withvaryingdegreesofcarboxymethylationwerestudied.Instabilitywasdeterminedvs.pHandionicstrengthusingahighthroughputscreeningmethod,simultaneousmultiplesamplelightscattering(SMSLS).Withstablesolutionconditionsdetermined,equilibriumbatchandmulti-detectorGPCcharacterizationofmolecularweight,intrinsicviscosity,andpolyelectrolytepropertieswasmade.Finally,afirstattemptatcontinuousonlinemonitoringofthemodificationreactionitselfwasmadeandcomparedtoFTIRanalysisofcarboxymethylationondiscretealiquots.Giventherangeofpossiblecharacterizationproblems,multipleapproacheswithindependentinstrumentsmayberequiredforreliablenaturalproductcharacterization.Onlinemonitoringofmodificationreactionsmayleadtorapidadvancesinunderstandingandpreparationofnaturalproducts.[詳細(xì)]
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- Injectable hydrogels with in situ-forming hydrophobic domains: oligo(D,L-lactide) modified poly(olig
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2018-08-31 10:11
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