英语语法分析

AMP was obtained by sephadex gel filtration.

提取的粗提物经凝胶过滤后得到抗菌肽。

OBJECTIVE To determine the trap efficiency of liposomes using Sephadex.

目的考察用葡聚糖凝胶法测定脂质体包封率的影响因素。

METHOD S The column chromatography of silica gel and sephadex were used to isolate those constituents.

方法用硅胶和凝胶柱色谱进行分离，根据理化性质、波谱特征鉴定结构。