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Chiral recognition of magneto-electropolymerized polyaniline film electrodes

机译：磁电聚合聚苯胺膜电极的手性识别

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摘要

Polyaniline films were prepared by electropolymerization under a magnetic field of 5T parallel ( + 5T) or antiparallel ( -5T) to the faradaic currents. They were used as a modified electrode and their chiral properties were examined for L-3-(3,4-dihydroxyphenyl)alanine (L-DOPA), L-ascorbic acid (L-AA) and D-isoascorbic acid (D-AA) by cyclic voltammetry. The redox currents of L-DOPA on the + 5T-film electrode were smaller than those on the -5T-film electrode, and the results for racemic mixture of L- and D-DOPA were the same on the two electrodes. The oxidation current of L-AA on the +5T-film electrode was larger than that on the - 5T-film electrode, and the result for D-AA was opposite. These facts demonstrate that the two electrodes have the opposite chirality each other and possess the ability of chiral recognition.
机译：通过在与法拉第电流平行5T（+ 5T）或反平行（-5T）的磁场下进行电聚合制备聚苯胺薄膜。它们被用作修饰电极，并针对L-3-（3,4-二羟基苯基）丙氨酸（L-DOPA），L-抗坏血酸（L-AA）和D-异抗坏血酸（D-AA）检查了它们的手性）循环伏安法。 + 5T膜电极上的L-DOPA的氧化还原电流小于-5T膜电极上的L-DOPA的氧化还原电流，并且L-和D-DOPA的外消旋混合物的结果在两个电极上相同。 L-AA在+ 5T膜电极上的氧化电流大于在-5T膜电极上的氧化电流，而D-AA的结果却相反。这些事实证明两个电极彼此具有相反的手性并且具有手性识别的能力。

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