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[1]万其进,尚艳利,汪召豪,等.电纺聚乙烯醇纳米纤维膜无酶过氧化氢传感器的制备[J].武汉工程大学学报,2013,(08):7-12.[doi:103969/jissn16742869201308002]
　WAN Qi jin,SHANG Yan li,WANG Zhao hao,et al.Preparation of hydrogen peroxide nonenzyme biosensor based onPVA nanofibers film by electrospinning[J].Journal of Wuhan Institute of Technology,2013,(08):7-12.[doi:103969/jissn16742869201308002]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2013年08期
页码:
7-12
栏目:
化学与化学工程
出版日期:
2013-08-31

文章信息/Info

Title:
Preparation of hydrogen peroxide nonenzyme biosensor based onPVA nanofibers film by electrospinning
文章编号:
16742869(2013)08000706
作者:
万其进;  尚艳利; 汪召豪; 崔晗; 杨年俊
武汉工程大学绿色化工过程教育部重点实验室，湖北省新型反应器与绿色化学工艺重点实验室，湖北 武汉 430074
Author(s):
WAN Qijin;  SHANG Yanli; WANG Zhaohao; CUI Han; YANG Nianjun
Key Laboratory for Green Chemical Process of Ministry of Education，Hubei Key lab of Novel Reactor&Green Chemical Technology，Wuhan Institute of Technology，Wuhan 430074，China
关键词:
聚乙烯醇; 静电纺丝; 修饰电极; 过氧化氢
Keywords:
polyvinyl alcohol; electrostatic spinning method; chemical modified electrode; hydrogenperoxide
分类号:
O657.1
DOI:
103969/jissn16742869201308002
文献标志码:
A
摘要:
用静电纺丝的方法将聚乙烯醇（PVA）静电纺丝到裸铂电极表面，分别采用扫描电镜法、循环伏安法、电流时间曲线法、交流阻抗等方法对该电极进行表征.研究了过氧化氢在该聚乙烯醇修饰电极的电化学行为.实验结果表明:聚乙烯醇纳米纤维膜呈现出理想的疏松多孔的网状结构，极大地增大了电极的有效表面积；在pH=7.4的磷酸盐缓冲溶液中相比裸铂电极，聚乙烯醇纳米纤维膜修饰电极对过氧化氢的响应电流有明显的提高，过氧化氢的浓度在7.8~2 900 μmol/L范围内，与其还原电流呈良好的线性关系,检测限达1.1 μmol/L.该聚乙烯醇修饰电极可以作为电化学无酶传感器用于低浓度过氧化氢的检测.
Abstract:
The nanofibers made by electrostatic spinning technology have the advantages of high specific surface area and porous structure. Polyvinyl alcohol (PVA) was placed on bare platinum electrode surface by electrospinning. The modified electrodes were characterized by scanning electron microscopy (SEM), cyclic voltammetry and electrochemical impedance spectroscopy methods. The experiment results show that polyvinyl alcohol nanofibers membrane presents the ideal porous mesh structure，greatly increasing the effective surface area of the electrode; compared to bare platinum electrodes，the response current of polyvinyl alcohol nanofibers membrane modified electrode to hydrogen peroxide in phosphate buffer solution (pH = 7.4)increases significantly; the reduction currents have a good linear relationship with concentrations of hydrogen peroxide in the range of 7.8 μmol/L -2 900 μmol/L.Its detection limit reaches 11 μmol/L.The polyvinyl alcohol modified electrodes can be used as the electrochemical sensor in the detection of low concentration of hydrogen peroxide.

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备注/Memo

备注/Memo:
收稿日期：20130522基金项目：国家自然科学基金(21075096，21275113)作者简介：万其进（1957），男，湖北鄂州人，教授，硕士研究生导师.研究方向：电分析化学与生物传感器.
更新日期/Last Update: 2013-09-07