亚铁氰化钾修饰铂电极测组氨酸

田芳; 牟善峰

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亚铁氰化钾修饰铂电极测组氨酸

更新时间：2026-09-14

- 亚铁氰化钾修饰铂电极测组氨酸
- 亚铁氰化钾修饰铂电极测组氨酸
- Issue 5, (2010)
- 作者机构：
  
  1. 太原师范学院化学系
  2. 日照市城市排水管理处
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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田芳, 牟善峰. 亚铁氰化钾修饰铂电极测组氨酸[J]. 2010, (5).
DOI：

田芳, 牟善峰. 亚铁氰化钾修饰铂电极测组氨酸[J]. 2010, (5). DOI：

摘要

使用亚铁氰化钾修饰电极

在优化实验条件下

采用方波伏安法测定L-组氨酸.结果表明:在pH为5.00的三酸(H3PO4-H3BO3-HAc)缓冲液中

组氨酸的峰电流与其浓度在4.0×10-8

.0×10-5mol/L范围内呈良好的线性关系

检出限为2.0×10-9mol/L.实验结果表明:该电极具有良好的选择性、灵敏度、重现性、稳定性

可用于L-组氨酸测定.为氨基酸的电化学检测提供了一种灵敏的新方法.

Abstract

By using potassium ferrocyanide modified electrodes

the content of L-histidine was measured by square wave voltammetry in the optimization of experimental conditions.The results show that in the three acid(H3PO4-H3BO3-HAc) buffer solution with the pH value 5.00

the peak current and the concentration of histidine have a good linear relation in the range of 4.0×10-8～2.0×10-5 mol/L

and the detection limit is 2.0×10-9 mol/L.Experimental results show that the electrode has good selectivity

sensitivity

reproducibility

stability

and can be used for determination of L-histidine.The research provides a new sensitive method for electrochemical detection of amino acid.

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