简介:Cholesterolmodifieddextran(CHD)havingself-aggrgationorself-assemblypropertywassynthesizedfromcholesteroland1,6-hexyldiisocyanate.Thedegreeofsubstitutionofcholesterylmoietyindextranmainlineis3-5cholesterolsthe100glucoseunits.WehavepreparedwatersolutionofCHDusingprobetypesonifierandN-Phenyl-a-naphthylamine(PNA)asafluorescentprobetostudyCHDself-aggregateprocess.Foreachsolutionoftwosamples,wefoundthatthemaximumemissionofPNAinCHDconcentration.Thischangecorrespondstotheformationofmicelle-likeclustersself-aggregatedbythecholesterolmoietyoncetheCHDconcentration.Thischangecorrespondstotheformationofmicelle-likeclustersself-aggregatedbythecholesterolmoietyoncetheCHDconcentrationexceeds0.01mg/ml.