Objective: to develop a synthesis method of the carboxymethyl chitosan (CM-CTS) and to study its bacteriostatic effect.
前言：目的：研究羧甲基壳聚糖的合成反应及其抑菌活性。
To introduce the preparation and quality control methods of the ornidazole slow-release membranes which take CM-chitosan as carriers.
研制以羧甲基壳聚糖为载体的奥硝唑缓释膜（药膜，下同）并建立质量控制方法。
The result suggests that CM-Chitosan-Bismuth is mainly excreted by dejection, only a few is absorbed.
实验结果提示：羧甲基壳聚糖铋盐主要经粪便排泄，少量被降解吸收。
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