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固定金属离子亲和膜是近几年发展起来的纯化生物分子的新技术，综述了３１ 篇文献，概述了固定金属离子亲和膜分离的基本原理，探讨了螯合剂的选择原则，研究了金属离子与蛋白质的作用机理．
Immobilized metal ion affinity membrane is a new technology to purify biomolecules developed in recent years. A review of 31 articles summarizes the basic principles of immobilized metal ion affinity membrane, discusses the selection principle of chelating agents, Ion and protein mechanism of action.