The features of the traditional aqueous two-phase systems(ATPS)and the novel ATPS,the basic principles of the phase separation,and some shortcomings in application are summarized.

• 介绍了传统双水相体系(ATPS)和新型ATPS的特征、分相机理、工业应用的优缺点,指出寻找低成本易回收可循环利用的ATPS组成物质和对预分离物质有更高选择性的ATPS组成物质是研发新型ATPS的方向。