论文部分内容阅读
The novel chitosan microspheres grafted with β-cyclodextrins (CMGC) were prepared by means of the reaction of chitosan microspheres and mono-(6-p-tosyl)- β-cyclodextrins(β-CD-OTs-6). β-CD-OTs-6 were gained by the reaction of p-toluenesulfonyl chloride (T