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THERMODYNAMICS STUDY OF SEVERAL STEROLS ISOMERS SEPARATION ON TFMAA-co-TIRM MOLECULARLY IMPRINTED POLYMER
Author(s): 
Pages: 1-8
Year: Issue:  z1
Journal: GUIZHOU SCIENCE

Keyword:  色谱法高压液相17β-雌二醇分子印迹聚合物热力学三氟甲基丙烯酸;
Abstract: 以17β-雌二醇为模板,三氟甲基丙烯酸(TFMAA)作功能单体,三羟甲基丙烷三甲基丙烯酸酯为交联剂的17β-雌二醇TFMAA-co-TIRM分子印迹聚合物(MIP)已被制备.本文主要以HPLC为手段调查MIP的热力学特性,评价了四种甾醇化合物在识别过程中的焓(△H)、熵(△S*)和自由能(△G)的热力学参数的变化,结果发现MIP的选择性识别特性受到焓驱动,MIP对印迹分子和它的结构类似物的识别还依赖于具有与模板分子良好地吻合的三维孔穴.
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