In order to improve the selectivity and separation efficiency,the affinity extraction using aqueous two-phase systems(ATPS)which links affinity ligand to polymer in traditional ATPS got progressed.

• 为了提高双水相萃取技术的选择性和分离效率,在组成传统ATPS的聚合物上偶联亲和配基的亲和ATPS也得到关注;