Issue 9, 2002
From the journal:

Chemical Communications

A superoxide dismutase-modified electrode that detects superoxide ion

Takeo Ohsaka,*a   Yang Tian,a   Mieko Shioda,b   Shinjiro Kasaharac  and  Takeyoshi Okajimaa  

* Corresponding authors

a Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8502, Japan
E-mail: ohsaka@echem.titech.ac.jp

b Production Engineering Research Laboratory, Hitachi Co., 292 Yoshida-cho, Totsuka-ku, Yokohama 244-0817, Japan

c NGK Spark Plug Co., Ltd, 2808 Iwasaka, Komaki-shi, Aichi 485-8510, Japan

Abstract

A superoxide dismutase (SOD)-modified electrode, in which SOD is oriented on the gold electrode via a self-assembled monolayer of cysteine so as to allow its direct electrode reaction, possesses a bi-directional electrocatalysis for both the oxidation of superoxide ion (O2−) to O2 and the reduction of O2− to H2O2 and functions as a third generation O2− biosensor.

Graphical abstract: A superoxide dismutase-modified electrode that detects superoxide ion

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Article information

DOI
https://doi.org/10.1039/B201197B
Article type
Communication
Submitted
01 Feb 2002
Accepted
20 Mar 2002
First published
10 Apr 2002

Chem. Commun., 2002, 990-991

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A superoxide dismutase-modified electrode that detects superoxide ion

T. Ohsaka, Y. Tian, M. Shioda, S. Kasahara and T. Okajima, Chem. Commun., 2002, 990 DOI: 10.1039/B201197B

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