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Issue 21, 2009
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Electrochemical assay of superoxide based on biomimetic enzyme at highly conductive TiO2 nanoneedles: from principle to applications in living cells

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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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Supplementary files

Article information


Submitted
02 Feb 2009
Accepted
16 Mar 2009
First published
07 Apr 2009

Chem. Commun., 2009, 3014-3016
Article type
Communication

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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