Sephadex is a group of highly specialized gelfiltration and chromatographic media which composed of macroscopic beads synthetically derived from the polysaccharide,dextran.

• 交联葡聚糖凝胶)是多糖类物质,尽管其结构、性能较稳定,但在压力、强酸、氧化剂存在情况下,也会发生部分糖苷键水解,或凝胶交联结构受损。