Chitosan is a naturally occurring product which may be used as a biocompatible, antibacterial, and environmentally friendly polyelectrolyte biomaterial. The applications of chitosan include uses in water treatment, chromatography, textile treatment for antimicrobial activity, novel fibers for textiles, biomedical devices, and microcapsule implants for controlled release in drμg delivery, among others. The degree of acetylation of chitosan may be determined via titration methods or dye binding.与多价阴离子形成胶体。形成透明溶液,干燥后可形成透明坚韧的膜。 壳聚糖可用作絮凝剂、蛋白质沉淀剂、包封剂和水增稠剂。