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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/75766
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dc.contributor.authorFerraz, E. R A-
dc.contributor.authorOliveira, G. A R-
dc.contributor.authorGrando, M. D.-
dc.contributor.authorLizier, T. M.-
dc.contributor.authorZanoni, Maria Valnice Boldrin-
dc.contributor.authorOliveira, D. P.-
dc.date.accessioned2014-05-27T11:29:49Z-
dc.date.accessioned2016-10-25T18:50:19Z-
dc.date.available2014-05-27T11:29:49Z-
dc.date.available2016-10-25T18:50:19Z-
dc.date.issued2013-07-01-
dc.identifierhttp://dx.doi.org/10.1016/j.jenvman.2013.03.033-
dc.identifier.citationJournal of Environmental Management, v. 124, p. 108-114.-
dc.identifier.issn0301-4797-
dc.identifier.issn1095-8630-
dc.identifier.urihttp://hdl.handle.net/11449/75766-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/75766-
dc.description.abstractThis work describes the efficiency of photoelectrocatalysis based on Ti/TiO2 nanotubes in the degradation of the azo dyes Disperse Red 1, Disperse Red 13 and Disperse Orange 1 and to remove their toxic properties, as an alternative method for the treatment of effluents and water. For this purpose, the discoloration rate, total organic carbon (TOC) removal, and genotoxic, cytotoxic and mutagenic responses were determined, using the comet, micronucleus and cytotoxicity assays in HepG2 cells and the Salmonella mutagenicity assay. In a previous study it was found that the surfactant Emulsogen could contribute to the low mineralization of the dyes (60% after 4h of treatment), which, in turn, seems to account for the mutagenicity of the products generated. Thus this surfactant was not added to the chloride medium in order to avoid this interference. The photoelectrocatalytic method presented rapid discoloration and the TOC reduction was ≥87% after 240min of treatment, showing that photoelectrocatalysis is able to mineralize the dyes tested. The method was also efficient in removing the mutagenic activity and cytotoxic effects of these three dyes. Thus it was concluded that photoelectrocatalysis was a promising method for the treatment of aqueous samples. © 2013 Elsevier Ltd.en
dc.format.extent108-114-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectAzo dye-
dc.subjectCytotoxicity-
dc.subjectMutagenicity-
dc.subjectNanotubes-
dc.subjectPhotoelectrocatalysis-
dc.subjectazo dye-
dc.subjectchloride-
dc.subjectdisperse orange 1-
dc.subjectdisperse red 1-
dc.subjectdisperse red 13-
dc.subjectnanotube-
dc.subjecttitanium dioxide-
dc.subjectunclassified drug-
dc.subjectaqueous solution-
dc.subjectbacterium-
dc.subjectbiodegradation-
dc.subjectdye-
dc.subjectecotoxicology-
dc.subjecteffluent-
dc.subjectelectrokinesis-
dc.subjectmicrobial activity-
dc.subjectmutagenicity-
dc.subjectpollutant removal-
dc.subjecttitanium-
dc.subjecttotal organic carbon-
dc.subjecttoxicity test-
dc.subjectbleaching-
dc.subjectcatalysis-
dc.subjectcell strain HepG2-
dc.subjectcomet assay-
dc.subjectcontrolled study-
dc.subjectcytotoxicity-
dc.subjectelectrochemistry-
dc.subjectgenotoxicity-
dc.subjecthuman-
dc.subjecthuman cell-
dc.subjectmicronucleus test-
dc.subjectmineralization-
dc.subjectphotoelectrocatalysis-
dc.subjectSalmonella-
dc.subjectwaste component removal-
dc.titlePhotoelectrocatalysis based on Ti/TiO2 nanotubes removes toxic properties of the azo dyes Disperse Red 1, Disperse Red 13 and Disperse Orange 1 from aqueous chloride samplesen
dc.typeoutro-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUSP Departamento de Análises Clínicas, Toxicológicas e Bromatológicas Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de Sao Paulo, Av. do Café, s/n, 14040-903 Ribeirão Preto, SP-
dc.description.affiliationUNESP, Universidade Estadual Paulista Júlio de Mesquita Filho Instituto de Química de Araraquara Departamento de Química Analítica, Rua Francisco Degni, s/n, Bairro Quitandinha, 14800-900 Araraquara, SP-
dc.description.affiliationUnespUNESP, Universidade Estadual Paulista Júlio de Mesquita Filho Instituto de Química de Araraquara Departamento de Química Analítica, Rua Francisco Degni, s/n, Bairro Quitandinha, 14800-900 Araraquara, SP-
dc.identifier.doi10.1016/j.jenvman.2013.03.033-
dc.identifier.wosWOS:000320219700012-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Environmental Management-
dc.identifier.scopus2-s2.0-84877084989-
dc.identifier.orcid0000-0002-2296-1393-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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