简介：Theparameteridentificationmodeloflargescalechromatographyseparationprocessisproposed.ThephaseequilibriumconstantsandlumpedmasstransfercoefficientsofsugarandreducingsugaradsorptiononD1,D2andD3resinsaswellastheaxialdispersioncoefficientsofthefluidthroughpackedcolumnsaredeterminedbymeansofthepulse-responseexperimenttechniquewithaninertsubstanceasatracerandthechromatographymeasuringtechnique.Theelutioncurvecalculatedfromtheseparametersisgoodagreementwiththeexperimentalelutioncurve.Thesensitivityanalysisoftheseparametersiscarriedout,andtheresultshowsthattheelutioncurvesofchromatographyseparationaremoresensitivetothevariationsofthephaseequilibriumrelationshipthantothevariationoftheaxialdispersionaswellasthelumpedmasstransfercoefficients.

简介：Electrostaticlayer-by-layerself-assemblymultilayerfilmsweresuccessfullyfabricatedfromC60-ethylenediamineadduct(C60-EDA)andDNA.Undervisiblelightirradiation,DNAisreadytobecleavedandthefilmsaredestroyed.

简介：PolysaccharidecoatedPLAnanoparticlesbearingaldehydegroupswerepreparedbydialysisofDMSOsolutionofcholesterolhydrophobic-modifieddextranpolyaldehydeandPLAagainstwater.Theaveragediameterofthenanoparticleswasabout160nm,andthesizedistributionwasnearlyhomogenous.ThenanoparticleswerefunctionalizedsimultaneouslywithCD71andEGFRantibodythroughtheSchiff'sbasereaction,andthenradiolabeledwith~(99m)Tc.Afterperfusedtheradiolabelednanoparticlesintotumor-bearing...

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