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电聚合吡咯膜修饰的葡萄糖氧化酶电极 被引量:5

A Platinized Polypyrrole/GlucoseOxidase Micro-enzyme Electrode
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摘要 自制的铂丝电极(0.3mm)经铂化处理后,将葡萄糖氧化酶(GOD)与单体吡咯用循环伏安法共聚合到电极上,铂化后电极表面积的增大增加了固定的酶量,同时也增大了电极对H2O2的催化能力,使电极对葡萄糖的响应电流增大到7.5mA/(mol·L-1)。还测试了聚合液中酶浓度、pH值和聚合时间等因素对电极特性的影响。 Glucose oxidase(GOD) and pyrrole were electrochemically polymerized onto the platinized platinum wire electrode. Platinization of the platinum wire can greatly enhance the surface area and the catalytic activity of H2O2, which result in largely improving the response of the microenzyme electrode to glucose.
出处 《华东理工大学学报(自然科学版)》 CAS CSCD 北大核心 1998年第2期225-228,共4页 Journal of East China University of Science and Technology
基金 国家自然科学基金
关键词 葡萄糖氧化酶 电化学聚合 吡咯 电极 biosensor platinized platinum wire electrode glucose oxidase electrochemically polymerization pyrrole
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参考文献1

  • 1Shaolin M,J Electro Anal Chem,1991年,304卷,7页

同被引文献29

  • 1孙长清,张云峰,高蒨,许宏鼎,郭黎平.(C_6H_5)_4■·■(CH_3)_4离子缔合物在1,1′-二甲基二茂铁介体电流型葡萄糖生物传感器中的应用[J].分析化学,1993,21(8):882-886. 被引量:3
  • 2李永舫.导电聚吡咯的研究[J].高分子通报,2005(4):51-57. 被引量:52
  • 3Redondo M I, Breslin C B. Polypyrrole electrodeposited on copper from an aqueous phosphate solution: corrosion protection properties[ J]. Corrosion Science,2007,49 : 1765 - 1776.
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  • 8Bazzaoui W, Martins J I, Bazzaoui E A, et al. Pyrrole electropolymerization on copper and brass in a single-step process from aqueous solution[ J]. Journal of Applied Electrochemistry,2004, 34:815-822.
  • 9Redondo M I,Breslin C B. Polypyrrole electrodeposited on copper from an aqueous phosphate solution: Corrosion protection properties[J]. Corrosion Science, 2007,49:1765-1776.
  • 10Bazzaoui M, Maartins J I, Bazzaoui E A, et al. Pyrrole electropolymerization on copper and brass in a single- step process from aqueous solution[J]. Journal of Applied Electrochemistry, 2004,34: 815-822.

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