Chitosan with a low viscosity (MW 371000 determined by high-performance liquid chromatography, DD=85 determined by FT-IR) was purchased from Fluka (Tokyo, Japan). Methanesulfonic acid and phosphorus ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果一些您可能无法访问的结果已被隐去。
显示无法访问的结果