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首页> 外文期刊>International Journal of Electrochemical Science >Comparison Between Copper and Gold as Substrates for Sensing: an Electrochemical Evaluation
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Comparison Between Copper and Gold as Substrates for Sensing: an Electrochemical Evaluation

机译：铜和金作为传感基材的比较：电化学评估

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摘要

Electrochemical sensors based in the use of proteins have a wide range of applications. In order toadsorb the protein to get the modified electrode, heterocyclic thiols as thiobarbituric acid offers aninteresting option, considering the short time to get an ordered monolayer and the electron transferproperties through this film. But further adsorption of the protein would play a relevant role on theelectron transfer of the modified electrode, and the metal used as substrate could affect the wholebehavior of the ensemble. The aim of this work was to evaluate the behavior towards electron transferof a Au/thiobarbituric/myoglobin modified electrode, using Ru-hexaammine as probe molecule. Theevaluation was carried out using cyclic voltammetry, impedance spectroscopy and quartz crystalmicrobalance measurements.
机译：基于蛋白质的使用的电化学传感器具有广泛的应用。为了吸收蛋白质以获得修饰的电极，考虑到获得有序单层的时间短和通过该膜的电子转移特性，杂环硫醇作为硫代巴比妥酸提供了一个有趣的选择。但是蛋白质的进一步吸附将在修饰电极的电子转移中发挥重要作用，并且用作底物的金属可能会影响整体的行为。这项工作的目的是使用Ru-六胺作为探针分子评估Au /硫代巴比妥酸/肌红蛋白修饰电极对电子转移的行为。使用循环伏安法，阻抗谱法和石英晶体微量天平测量进行评估。

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