【摘 要】
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The glutathione (GSH) monolayer and complex monolayer of GSH-metallic ion on polycrystalline gold electrode were studied by using K 3Fe(CN) 6 as the redox pro
【出 处】
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Wuhan University Journal of Natural Sciences
论文部分内容阅读
The glutathione (GSH) monolayer and complex monolayer of GSH-metallic ion on polycrystalline gold electrode were studied by using K 3Fe(CN) 6 as the redox probe. As for the GSH monolayer, it was found that the metallic ions could open the ion-gate in the monolayer dramatically in the order La 3+> Pb 2+>> Ba 2+> Ca 2+ whereas Zn 2+ ion closed the ion-gate. The complexes of GSH-metallic ions were capable of self-assembling the different kind of monolayer. All the differences were related to the structural configuration of the anchored GSH molecule, which changed with the different metallic ions or pH.
The glutathione (GSH) monolayer and complex monolayer of GSH-metallic ion on polycrystalline gold electrode were studied by using K 3Fe (CN) 6 as the redox probe. As for the GSH monolayer, it was found that the metallic ions could open the ion -gate in the monolayer dramatically in the order La 3+> Pb 2+> Ba 2+> Ca 2+ while Zn 2+ ion closed the ion-gate. The complexes of GSH-metallic ions were capable of self-assembling the different kind of monolayer. All the differences were related to the structural configuration of the anchored GSH molecule, which changed with the different metallic ions or pH.
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