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首页> 外文期刊>Journal of Biophysical Chemistry >Electrochemical investigation on the film of L-cysteine self-assembled to nanoparticles on a gold electrode
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Electrochemical investigation on the film of L-cysteine self-assembled to nanoparticles on a gold electrode

机译：金电极上自组装成纳米粒子的L-半胱氨酸薄膜的电化学研究

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The film contained L-cysteine and gold nanoparticles were provided by self-assembled monolayers (SAMs) and potentiostatic electrodeposition technology on the gold electrode. Two methods were used to study the film: In the first, cyclic voltammetry (CV) was used to inspect the functional groups of the film and the same time hydroquinone was chosen to be a probe molecule in the based solution; secondly, based on analytical technology of scanning electrochemical microscopy (SECM), the heterogeneous rate constant (keff) between solid phase (the modified electrode) and liquid phase (K3Fe(CN)6) was obtained. As a result, the better binary catalysis of hydroquinone was demonstrated and the heterogeneous rate constant (keff) is the greater at 8 h for L-cysteine self-assembled monolayers (SAMs).
机译：通过自组装单层（SAM）和在金电极上的恒电位电沉积技术提供了包含L-半胱氨酸和金纳米颗粒的薄膜。有两种方法研究薄膜：首先，使用循环伏安法（CV）检查薄膜的官能团，同时选择氢醌作为基础溶液中的探针分子。其次，基于扫描电化学显微镜（SECM）的分析技术，获得了固相（修饰电极）和液相（K3Fe（CN）6）之间的异质速率常数（keff）。结果，证明了对苯二酚更好的二元催化作用，并且对于L-半胱氨酸自组装单分子膜（SAMs），异质速率常数（keff）在8 h时更大。

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