分子印迹膜分离技术进展

Research progress of molecularly imprinted membrane for separation

分子印迹膜是分子印迹技术与膜分离相结合的一种新型的分离膜,具有高度的特异性分子识别能力,在分离工程中有着巨大的潜能。本文介绍了分子印迹技术的基本原理和分子印迹膜的结构特点,分析了分子印迹膜的两种传质机理,“延迟”效应和“促进”效应,简介了当前的研究及应用进展,包括了制备组成的优化手段,实现自组装的主要的合成方法、复合材料的开发以及在药物分离中的应用,提出了分子印迹膜当前存在的问题,最后对其发展进行了展望。

Molecularly imprinted membrane(MIM)can combine molecular imprinting technology with membrane separation,thus which has exhibited high specific ability of molecular recognition and great potential in separation engineering.In this paper,the basic principle of molecular imprinting technology and the structures of MIM were summarized,and the mass transfer mechanism,including"retard"effect and"gate"effect,recent research progress and applications were also described.Moreover,the challenge of MIM was critically discussed.Finally,the development trends of MIM in future were evaluated.