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Studies on Co-based catalysts supported on modified
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2009-08-03 00:00 420阅读次数
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Studies on Co-based catalysts supported on modified- Studies on Co-based catalysts supported on modified[详细]
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2009-08-03 00:00
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Examples of Studies- Examples of Studies[详细]
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- Studies on the Interaction of Water with Ethelcellul
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- Characterization and corrosion studies of titania-co
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- The Aggregation of Hydrophobically Modified Polysacc
- The Aggregation of Hydrophobically Modified Polysacc[详细]
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2024-09-28 15:33
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- The Aggregation of Hydrophobically Modified Polysacc
- The Aggregation of Hydrophobically Modified Polysacc[详细]
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2024-09-29 01:59
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- Biodistribution studies of protein cage nanoparticle
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专利
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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[详细]
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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.[详细]
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2018-08-31 10:11
产品样册
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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.[详细]
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2018-08-31 10:11
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- perovskite-noble metal catalysts for automotive exhaust control using a Cs corrected TEM
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- Bone-Targeting Peptide and RNF146 Modified Apoptotic Extracellular Vesicles Alleviate Osteoporosis
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- Biodistribution studies of protein cage nanoparticles demonstrate broad tissue distribution and rapi
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2018-08-31 10:11
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- Injectable hydrogels with in situ-forming hydrophobic domains: oligo(D,L-lactide) modified poly(olig
- Injectable,insitu-gel领nanostructuredhydrogelshavebeenpreparedfromhydrazideandaldehydefunctionalizedpolymerprecursorsbasedonacopolymerofoligo(ethyleneglycol)methacrylate(OEGMA)andanoligo(lacticacid)macromonomer(OLA)withvaryinglacticacidchainlengths.Theresultinghydrogelscontainamixofchemical(hydrazonebondformationbetweenhydrazideandaldehydegroups)andphysical(hydrophobicinteractionsbetweenOLAchains)cross-linkswhichformcompetitivelyasafunctionoftheOLAchainlengthanddensity.AnincreaseintheOLAchainlengthanddensityresultsintheformationofmorephysicalcross-linksandfewerchemicalcross-links.Tuningtherelativeprevalenceofphysicalandchemicalcross-linkformationfacilitatedlargelyindependenttuningofgelmechanicsrelativetogelswel领anddegradation.Small-angleneutronscatteringoftheseOLA-containinghydrogelsrevealsamicrostructureconsistingofassociativehydrophobicdomains,basedonanincreasedscatteringintensityanddecreasedblobsizerelativetothatobservedforPOEGMAhydrogelspreparedwithouttheOLAco-monomer.ThepresenceofhydrophobicOLAdomainsincreasestheuptakeandslowsthereleaseofbovineserumalbumin,aproteinwell-knowntoassociatewithhydrophobicdomains.Coupledwiththeobservedcytocompatibilityofthereactiveprecursorpolymersusedtopreparethehydrogels,weanticipatesignificantpotentialapplicationsofthesehydrogelsfortheprolongedreleaseofhydrophobiccargoes.[详细]
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2018-08-31 10:11
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- Injectable hydrogels with in situ-forming hydrophobic domains: oligo(D,L-lactide) modified poly(oligoethylene glycol methacrylate) hydrogels?
- Injectable hydrogels with in situ-forming hydrophobic domains: oligo(D,L-lactide) modified poly(oligoethylene glycol methacrylate) hydrogels?[详细]
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