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Inativação por oxidação fotocatalítica de Escherichia coli e Pseudomonas sp. Inactivation of Escherichia coli and Pseudomonas sp. by photocatalytic oxidation

By Angela Cristina de Souza Cordeiro, Selma Gomes Ferreira Leite and Márcia Dezotti

Abstract

<abstract language="eng">This study presents the bactericidal activity of titanium dioxide photocatalysis, using as model Escherichia coli and Pseudomonas sp. cells. It was observed that the process efficiency is related to initial cell concentration, light intensity, UV irradiation exposure time, TiO2 concentration increase. The ultimate removal efficiency was above 99.9%

Topics: photocatalysis, titanium dioxide, bactericidal activity, Chemistry, QD1-999, Science, Q, DOAJ:Chemistry (General), DOAJ:Chemistry
Publisher: Sociedade Brasileira de Química
Year: 2004
DOI identifier: 10.1590/S0100-40422004000500002
OAI identifier: oai:doaj.org/article:fb2b09dc6a16436f82f362ee21b6ebaf
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