Employing bacterial mutations for the elucidation of photo-Fenton disinfection: Focus on the intracellular and extracellular inactivation mechanisms induced by UVA and H2O2.

doi:10.1016/j.watres.2020.116049

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Article

Employing bacterial mutations for the elucidation of photo-Fenton disinfection: Focus on the intracellular and extracellular inactivation mechanisms induced by UVA and H2O2.

Water research - 1 Sept 2020

Feng Ling, Peillex-Delphe Céline, Lü Changwei, Wang Da, Giannakis Stefanos, Pulgarin Cesar

Abstract excerpt

The bacterial inactivation mechanisms by solar light and the photo-Fenton process is still a matter of debate. In this study, we bring evidence towards the elucidation of the mechanisms that govern photo-Fenton disinfection at near-neutral pH. With the use of porin-deficient and catalase over-producing E. coli strains, in conjunction with measurements of cell wall oxidation and permeability, we are able to i)...

Topics

Disinfection
Escherichia coli
Hydrogen Peroxide
Mutation
Oxidation-Reduction
Wastewater
Water Purification

Source

Open in PubMed

Identifiers

PMID: 32619683
DOI: 10.1016/j.watres.2020.116049

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