The Influence of Molecular Weight over the Ultrathin Films of Biodegradable Polyion Complexes between Chitosan and Poly(γ-glutamic acid)

被引：0
|
作者：
Wanpen Tachaboonyakiat
Takeshi Serizawa
Takeshi Endo
Mitsuru Akashi
机构：
[1] Kagoshima University,Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering
[2] Tokyo Institute of Technology,Research Laboratory of Resources Utilization
来源：
Polymer Journal | 2000年 / 32卷
关键词：
Chitosan; Poly(γ-glutamic acid); Biodegradable Polyion Complexes; Alternate Adsorption; Quartz Crystal Microbalance; Ultrathin Film;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Alternate adsorption is a well-known method for developing the novel ultrathin films of biodegradable polyion complexes. This study revealed variations in the effect of chitosan and poly(γ-glutamic acid) [γ-PGA] molecular weight on the complex formation process. High molecular weight γ-PGA showed a high adsorption frequency. In contrast, no molecular weight effect was observed in the case of chitosan. Addition of certain organic solvents in the chitosan and γ-PGA aqueous solution also influenced ultrathin film polyion complex formation.
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页码：481 / 485
页数：4
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