TiO2 Photocatalysis Causes DNA Damage Via Fenton Reaction-generated Hydroxyl Radicals During the Recovery Period

Overview

Journal Appl Environ Microbiol

Specialties Environmental Health
Microbiology

Date 2007 Oct 16

PMID 17933934

Citations 21

Authors

Gaetan Gogniat

Sam Dukan

Affiliations

Soon will be listed here.

Abstract

Here, we show that resistance of Escherichia coli to TiO2 photocatalysis involves defenses against reactive oxygen species. Results support the idea that TiO2 photocatalysis generates damage which later becomes deleterious during recovery. We found this to be partly due to DNA attack via hydroxyl radicals generated by the Fenton reaction during recovery.

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