基于电迁移的蛋白质制备技术是对一类分离和制备技术的统称，其特征是在电场的作用下对目标物质进行分离和纯化制备，这种技术在生物大分子和蛋白质组的研究中应用广泛。基于电迁移的制备技术主要包括制备型电泳、制备型电色谱、制备型等电聚焦和自由流电泳等。本文对每种制备型电迁移装置的设计、特点和基于该种装置的各种应用方法的优缺点进行了详细阐述，并列举了一些实例。另外，微量级制备型电泳因分离度高、回收率高以及高效快速的优点，在微量级生物样本分析中发挥着日益重要的作用，近年来备受关注，本文也着重关注了这方面的进展，并对基于电迁移的制备技术做了展望。
Preparative electromigration techniques are a category of separation and preparation techniques based on differential electromigration principle. These techniques are widely applied in biomacromolecule and proteome researches. Related techniques mainly include preparative electrophoresis,preparative electrochromatography,preparative isoelectric focusing and free flow electrophoresis and so on. We review each kind of the preparative electromigration tech-niques on its apparatus designs, applications, advantages and disadvantages in detail. Microscale preparative electrophoresis is a hot spot in recent years. Its high resolution,high recovery and high efficiency make it a more prominent role in the biological sample analysis. In this review,we focus on some advances in microscale preparative electrophoresis and also give an outlook on preparative electromigration techniques in the future.
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