Preparation and binding properties of a self-assembled film based on modified cyclodextrin and diazoresin

POLY 169

Xiuling Tian, jingling@bit.edu.cn1, Junge Zhi, zhijunge@bit.edu.cn1, Wei Zhao, zwqust@126.com2, Yuexiu Pan, pyxiu@163.com2, Jianbing Shi, shijb@bit.edu.cn2, Bin Tong, tongbin@bit.edu.cn3, and Yuping Dong, chdongyp@bit.edu.cn3. (1) college of Science, Beijing Institute of Technology, Beijing, 100081, China, (2) College of Materials Science & Engineering, Beijing Institute of Technology, Beijng, 100081, China, (3) College of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China
A self-assembled DR/CM-ß-CD multilayer thin-film was fabricated with CM-ß-CD as polyanion and photosensitive DR as polycation. DR and CM-ß-CD could deposit equably to the substrates surfaces based on UV-Vis absorption spectrum which was used to monitor the process of self-assembling. The MB could enter equally the inner of the films when they were immersed in a MB aqueous solution in an enough time, and the MB-adsorbed DR/CM-ß-CD film was stable against reductive glucose. The thickness of films influenced the MB binding to the films, and the adsorbing quantity increased linearly with the bilayer number changing from 3 to 12. And the different volume ratio of H2O/CH3CH2OH had an effect on the MB desorbing from the film. The desorbing quantity of MB from the MB-adsorbed DR/CM-ß-CD film decreased with the increasing of the water concentration in the H2O/C2H5OH mixture.
 

General Papers: Functional Materials
6:00 PM-8:00 PM, Sunday, August 19, 2007 BCEC -- Exhibit Hall - B2, Poster

Division of Polymer Chemistry

The 234th ACS National Meeting, Boston, MA, August 19-23, 2007