Issue 21, 2009
From the journal:

Chemical Communications

Electrochemical assay of superoxide based on biomimetic enzyme at highly conductive TiO2 nanoneedles: from principle to applications in living cells†

Yongping Luo,a   Yang Tian*a  and  Qi Ruia  

* Corresponding authors

a Department of Chemistry, Tongji University, Siping Road 1239, Shanghai, China
E-mail: yangtian@mail.tongji.edu.cn
Fax: 86 21 65982287
Tel: 86 21 65987075

Abstract

A novel strategy for extremely durable, reliable, and selective in situ real-time determination of superoxide anion (O2˙−) based on direct electron transfer of a biomimeticsuperoxide dismutase (SOD), Mn3(PO4)2, at highly conductive TiO2 nanoneedles is reported for the first time, and is further exploited for the determination of O2˙− from living normal and cancer ovary cells directly adhered onto the modified surface, suggesting that O2˙− might be proposed as a biomarker of cancer.

Graphical abstract: Electrochemical assay of superoxide based on biomimetic enzyme at highly conductive TiO2 nanoneedles: from principle to applications in living cells

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Article information

DOI
https://doi.org/10.1039/B902150G
Article type
Communication
Submitted
02 Feb 2009
Accepted
16 Mar 2009
First published
07 Apr 2009

Chem. Commun., 2009, 3014-3016

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Electrochemical assay of superoxide based on biomimetic enzyme at highly conductive TiO2 nanoneedles: from principle to applications in living cells

Y. Luo, Y. Tian and Q. Rui, Chem. Commun., 2009, 3014 DOI: 10.1039/B902150G

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