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首页> 外文期刊>Bioprocess and Biosystems Engineering >Hydrogen peroxide sensor based on Prussian blue electrodeposited on (3-mercaptopropyl)-trimethoxysilane polymer-modified gold electrode
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Hydrogen peroxide sensor based on Prussian blue electrodeposited on (3-mercaptopropyl)-trimethoxysilane polymer-modified gold electrode

机译：基于普鲁士蓝的过氧化氢传感器电沉积在（3-巯基丙基）-三甲氧基硅烷聚合物修饰的金电极上

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摘要

A hydrogen peroxide (H_2O_2) sensor was developed by electrodepositing Prussian blue (PB) on a gold electrode modified with (3-mercaptopropyl)-trimethoxysi-lane (MPS) polymer. The characterization of the self-assembled electrode was investigated by cyclic voltammetry and electrochemical impedance spectroscopy. The results of electrochemical experiments showed that such constructed sensor had a favorable catalytic ability to reduce H_2O_2. The MPS film on the modified gold electrode greatly enhanced the pH-adaptive range of PB. Large surface-to-volume ratio property of double-layer 2d-network MPS-modified PB electrode enabled stable and highly sensitive performance of the non-enzymatic H_2O_2 sensor. The linear range of H_2O_2 determined is from 2.0 × 10~(-6) to 2.0 × 10~(-4) mol L~(-1) with a correlation coefficient of 0.9991 and a detection limit for H_2O_2 of 1.8 × 10~(-6) mol L~(-1). The influences of the potentially interfering substances on the determination of H_2O_2 were investigated. This modified electrode exhibits a good selectivity and high sensitivity with satisfactory results.
机译：通过将普鲁士蓝（PB）电沉积在用（3-巯基丙基）-三甲氧基硅烷（MPS）聚合物改性的金电极上，开发了一种过氧化氢（H_2O_2）传感器。通过循环伏安法和电化学阻抗谱研究了自组装电极的表征。电化学实验结果表明，该传感器具有良好的还原H_2O_2的催化能力。修饰金电极上的MPS膜大大提高了PB的pH适应范围。双层2d网络MPS修饰的PB电极的大体积比性能使非酶H_2O_2传感器具有稳定且高度灵敏的性能。 H_2O_2的线性范围为2.0×10〜（-6）至2.0×10〜（-4）mol L〜（-1），相关系数为0.9991，H_2O_2的检出限为1.8×10〜（ -6）mol L〜（-1）。研究了潜在干扰物质对H_2O_2测定的影响。该修饰电极表现出良好的选择性和高灵敏度，具有令人满意的结果。

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  • 来源
    《Bioprocess and Biosystems Engineering》 |2011年第2期|p.215-221|共7页
  • 作者

    Yu Zhang; Hong Qun Luo; Nian Bing Li;

  • 作者单位

    Key Laboratory on Luminescence and Real-Time Analysis,Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715,People's Republic of China;

    Key Laboratory on Luminescence and Real-Time Analysis,Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715,People's Republic of China;

    Key Laboratory on Luminescence and Real-Time Analysis,Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715,People's Republic of China;

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  • 正文语种 eng
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  • 关键词

    (3-mercaptopropyl)-trimethoxysilane; prussian blue; hydrogen peroxide; self-assembled monolayers;

    机译：（3-巯基丙基）-三甲氧基硅烷;普鲁士蓝;过氧化氢自组装单层;

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