从海洋泥土中分离出产甲壳素脱乙酰酶菌株,确定该菌株为产碱属芽孢杆菌,其产酶适宜培养条件为:pH4.0,添加金属离子Ca2+,培养时间为......

Two parts of research work on preparation of chitosan are presented. One is about the optimization of preparation condit......

A highly regioselective O-deacetylation of taxanes at C-5 position was accomplished by treatment with t-BuOK and a possi......