简介：TryptophanresiduesofIgGRFfromrheumatoidarthritispatientweremodifiedwithN-Bromosuccinimide(NBS)andtheproductofmodificationwascharacterizedbyUV-spectrum,FluorescenceemissionspectrumandCD-spectrum.ThecorrespondingadsorptioncapacityofimmobilizedssDNAimmunoadsorbentforIgGRFwasenhancedfrom46%to86%,ThisresultindicatesthetryptophanresidueisessentialfortheinteractionbetweenssDN,AandIgGRF.andionic-bondingplaysanimportantroleinadsorption.

简介：Twoseriesofinterpenetratingsulfonicacidresins（ISAR）,10×nandn×10,werepreparedbymeansofthewetmethod,andthephysicochemical,thermodynamicandkineticpropertiesoftheISARweremeasured.Theresultsshow:10×nresinsexhibitbetterpropertiesthann×10ones,mainlyinhigherapparentdegreeofcrosslinkingandlargerconformationalentropyeffect,amongwhich,10×1resinexhibitsthebestthermodynamicandkineticproperties.IntheDTAgraphsofn×10resins,therearetwoTgandtwoTox,butinthoseof10×n,onlyoneTgandoneTox.Thisresultwellsupportstheconclusionthat10×nresinshavemuchbetterinterpenetratingstructuralaspects.

简介：AdsorptioncapacityofACFFincyanideleachingliquorofgoldoreswasstudiedwithcyanideleachingliquorofgoldores,containingvariouskindsofions.Theadsorbedleachingliquorwasanalyzedbyatomicemissionspectroscopyandcolorimetricmethod.ThecontentsofvariouskindsofionsinACFFweredeterminedwithX-rayphotoctronspectroscopy.ACFFnotonlyadsorbedgoldbutalsoadsorbedarsenic,nickel,zinc,calcium,sulphur,bismuth,copper,iron.silverandcyanideanion.AtomicpercentageofCandthoseofO,N,Zr,Feincreaseanddecreaserespectivelywiththeincreaseofthelayerdepth,whilethoseofCa,Au,Agkeepconstant.