二茂铁桥联聚倍半硅氧烷修饰电极催化氧化尿酸

畅功民; 张铁明; 陈婧; 赵永祥; 高春光

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二茂铁桥联聚倍半硅氧烷修饰电极催化氧化尿酸

化工与环境工程 | 更新时间：2026-09-14

- 二茂铁桥联聚倍半硅氧烷修饰电极催化氧化尿酸
- Modification of Glassy Carbon Electrode with Ferrocene Bridged Polysilsesquioxane and the Performance in Oxidation of Uric Acid
- 中北大学学报（自然科学版） 2011年32卷第4期页码：482-485
- 作者机构：
  
  1. 山西省农业科学院,山西,太原,030051
  2. 山西大学化学化工学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(20573071)
- DOI：
  中图分类号：
- 纸质出版：2011
- 稿件说明：
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畅功民, 张铁明, 陈婧, 等. 二茂铁桥联聚倍半硅氧烷修饰电极催化氧化尿酸[J]. 中北大学学报（自然科学版）, 2011,32(4):482-485.

畅功民, 张铁明, 陈婧, et al. Modification of Glassy Carbon Electrode with Ferrocene Bridged Polysilsesquioxane and the Performance in Oxidation of Uric Acid[J]. 2011, 32(4): 482-485.
畅功民, 张铁明, 陈婧, 等. 二茂铁桥联聚倍半硅氧烷修饰电极催化氧化尿酸[J]. 中北大学学报（自然科学版）, 2011,32(4):482-485. DOI：

畅功民, 张铁明, 陈婧, et al. Modification of Glassy Carbon Electrode with Ferrocene Bridged Polysilsesquioxane and the Performance in Oxidation of Uric Acid[J]. 2011, 32(4): 482-485. DOI：

摘要

以1

1′-双[2-(三乙氧基硅基)乙基]二茂铁(BTEF)和正硅酸乙酯(TEO S)为前驱物

经溶胶-凝胶过程(NH4F为水解聚合催化剂)制备了二茂铁桥联聚倍半硅氧烷修饰的玻碳电极(BTEF/TEO S/GCE).采用循环伏安法研究了BTEF/TEO S/GCE修饰电极对尿酸(UA)的电催化氧化.结果表明:在0.1 m o l.L-1N aC lO4磷酸盐缓冲溶液(pH=11.0)中

没有除氧的条件下

UA有良好的电化学响应;修饰电极上UA的氧化峰电位比在裸电极上降低了28 mV

峰电流增大;修饰电极呈现出良好的重复使用稳定性

连续扫描50次

峰电位没有变化

峰电流仅下降了5.2%.

Abstract

Ferrocene-bridged polysilsesquioxanes modified glassy carbon electrodes(BTEF/TEOS/GCE) were prepared via a sol-gel process of co-hydrolysis of 1

10-bis ferrocene(BTEF) and tetraethoxysilane(TEOS).The electrocatalytic oxidation of Uric Acid(UA) was characterized by cyclic voltammogram(CV) in 0.1 mol·L-1 NaClO4 aqueous phosphate buffer solution(pH=11.0) on the BTEF/TEOS/GCE.The UA has a better electrode response under aerobic condition.Oxidation peak potential of UA in modified electrode is decreased by 28 mV than in bare electrode

and peak current is increased.The BTEF/TEOS/GCE has better stability in the 0.1 mol·L-1 NaClO4 aqueous phosphate buffer solution.After 50 times scans

the peak potential remain unchanged and the peak current only decreases 5.2%.

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references

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