Electrochemical study of o-toluidine blue impregnated in mesoporous silica channels

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dc.contributor.authorUtrera Martines, Marco Antonio
dc.contributor.authordo Carmo, Devaney Ribeiro [UNESP]
dc.contributor.authorde Castro, Gustavo Rocha [UNESP]
dc.contributor.authorCaetano, Laercio [UNESP]
dc.contributor.institutionUniversidade Federal de Mato Grosso do Sul (UFMS)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:29:43Z
dc.date.available2014-05-20T13:29:43Z
dc.date.issued2011-07-01
dc.description.abstractThis paper reports an electrochemical study of ordered mesoporous silica impregnated with a cationic dye (o-toluidine blue), prepared with a non-ionic surfactant as the structure-directing agent. O-toluidine blue was chosen because of its utility as an electron transfer mediator (redox catalyst). O-toluidine blue impregnated mesoporous silica was characterized by nitrogen sorption porosimetry, small angle X-ray scattering, infrared spectroscopy, scanning electron microscopy and cyclic voltammetry using chemically modified carbon paste electrodes. Results indicate that the dye is located within the ordered mesopores of micron-sized silica spheres.en
dc.description.affiliationUniv Fed Mato Grosso Sul UFMS, Dept Quim, BR-79070900 Campo Grande, MS, Brazil
dc.description.affiliationFac Engn Ilha Solteira UNESP, Dept Fis & Quim, BR-15385000 Ilha Solteira, SP, Brazil
dc.description.affiliationInst Biociencias UNESP, Dept Quim & Bioquim, BR-18618970 Botucatu, SP, Brazil
dc.description.affiliationUnespFac Engn Ilha Solteira UNESP, Dept Fis & Quim, BR-15385000 Ilha Solteira, SP, Brazil
dc.description.affiliationUnespInst Biociencias UNESP, Dept Quim & Bioquim, BR-18618970 Botucatu, SP, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipFundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do Sul (FUNDECT)
dc.format.extent188-193
dc.identifierhttp://dx.doi.org/10.1007/s10971-011-2480-1
dc.identifier.citationJournal of Sol-gel Science and Technology. Dordrecht: Springer, v. 59, n. 1, p. 188-193, 2011.
dc.identifier.doi10.1007/s10971-011-2480-1
dc.identifier.issn0928-0707
dc.identifier.lattes0545046720519536
dc.identifier.urihttp://hdl.handle.net/11449/10047
dc.identifier.wosWOS:000292569600025
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofJournal of Sol-Gel Science and Technology
dc.relation.ispartofjcr1.745
dc.relation.ispartofsjr0,477
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectMesoporous silicaen
dc.subjecto-toluidine blueen
dc.subjectModified carbon paste electrodeen
dc.subjectCycle voltammetryen
dc.titleElectrochemical study of o-toluidine blue impregnated in mesoporous silica channelsen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dcterms.rightsHolderSpringer
unesp.author.lattes0545046720519536
unesp.author.orcid0000-0002-0949-6941[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Botucatupt
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Ilha Solteirapt
unesp.departmentFísica e Química - FEISpt

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Ilha Solteira - FEIS - Faculdade de Engenharia
Artigos - Química e Bioquímica - IBB