l -半胱氨酸SAM-SOD修饰电极伏安法测定过氧化氢

2ND INTERNATIONAL CONFERENCE ON GREEN ENERGY AND SUSTAINABLE DEVELOPMENT (GESD 2019) Pub Date : 2019-07-15 DOI:10.1063/1.5116506

Yinjie Wei, T. Song, Kai Zhang

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引用次数: 1

摘要

在n -乙酰- l -半胱氨酸SAM修饰电极上形成自组装的SOD单层。采用循环伏安法研究了改性电极的电化学行为。电极过程为吸附控制的可逆过程。SAM-SOD电极对H2O2有电化学响应。发现电极对2.4×10−6 ~ 2.0×10-4 mol/L的H2O2具有良好的线性关系，检出限为9.0×10-7 mol/L。在n -乙酰- l -半胱氨酸SAM修饰电极上形成自组装的SOD单层。采用循环伏安法研究了改性电极的电化学行为。电极过程为吸附控制的可逆过程。SAM-SOD电极对H2O2有电化学响应。发现电极对2.4×10−6 ~ 2.0×10-4 mol/L的H2O2具有良好的线性关系，检出限为9.0×10-7 mol/L。

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Voltammetric determination of hydrogen peroxide using L-cysteine SAM-SOD modified electrode

Self assembled monolayer of SOD was formed on N-acety-L-cysteine SAM modified electrode. Cyclic voltammetry was used to study the electrochemical behaviors of the modified electrode. And the electrode process was reversible one and controlled by adsorption. The SAM-SOD electrode showed an electrochemical response to H2O2. And discovered the electrode showed good linearly for 2.4×10−6 ∼2.0×10-4 mol/L of H2O2 with a detection limit of 9.0×10-7 mol/L.Self assembled monolayer of SOD was formed on N-acety-L-cysteine SAM modified electrode. Cyclic voltammetry was used to study the electrochemical behaviors of the modified electrode. And the electrode process was reversible one and controlled by adsorption. The SAM-SOD electrode showed an electrochemical response to H2O2. And discovered the electrode showed good linearly for 2.4×10−6 ∼2.0×10-4 mol/L of H2O2 with a detection limit of 9.0×10-7 mol/L.

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来源期刊

2ND INTERNATIONAL CONFERENCE ON GREEN ENERGY AND SUSTAINABLE DEVELOPMENT (GESD 2019)

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