A disposable amperometric ethanol biosensor based on screen-printed carbon electrodes mediated with ferricyanide-magnetic nanoparticle mixture

被引：18

作者：

Liao, Min-Hung ^{[2
]}

Guo, Jin-Chuan ^{[1
]}

Chen, Wen-Chang ^{[1
]}

机构：

[1] Natl Yunlin Univ Sci & Technol, Dept Chem Engn, Touliu 64002, Yunlin, Taiwan

[2] Transworld Inst Technol, Appl Sci Technol Res Ctr, Dept Cosmetol Styling, Touliu 64063, Yunlin, Taiwan

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 304卷 / 01期

关键词：

Fe3O4; nanoparticles; EtOH biosensor; Screen-printed carbon electrodes (SPCEs);

D O I：

10.1016/j.jmmm.2006.01.223

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic Fe3O4 nanoparticles were prepared by co-precipitation method and used to develop a reagentless disposable amperometric ethanol (EtOH) biosensor. The electrochemical characteristics of modified processes were analyzed by cyclic voltammetry (CV) and chronoamperometry (CA). Results showed that the presence of Fe3O4 nanoparticles could enhance the peak currents of redox species. Moreover, the alcohol biosensor exhibited an excellent sensitivity and fast response time for EtOH with a wide linear response range from 1.0 to 9.0mM. (C) 2006 Published by Elsevier B. V.

引用

页码：E421 / E423

页数：3

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