Reduced graphene oxide-Sb2O5 hybrid nanomaterial for the design of a laccase-based amperometric biosensor for estriol

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dc.contributor.authorCincotto, Fernando H. [UNESP]
dc.contributor.authorCanevari, Thiago C.
dc.contributor.authorMachado, Sergio A. S. [UNESP]
dc.contributor.authorSanchez, Alfredo
dc.contributor.authorRuiz Barrio, Maria Asuncion
dc.contributor.authorVillalonga, Reynaldo
dc.contributor.authorPingarron, Jose M.
dc.contributor.institutionUniv Complutense Madrid
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionMackenzie Presbiterian Univ
dc.date.accessioned2018-11-26T15:27:46Z
dc.date.available2018-11-26T15:27:46Z
dc.date.issued2015-08-20
dc.description.abstractA novel reduced graphene oxide/Sb2O5 hybrid nanomaterial was prepared by a one-pot reaction process. The nanomaterial was characterized by different spectroscopic, microscopic and electrochemical techniques, demonstrating that the graphene sheets were doped with a Sb2O5 thin film. A glassy carbon electrode coated with the hybrid material was further employed as support for the covalent immobilization of laccase to develop an electrochemical biosensor for estriol. The enzyme biosensor showed high sensitivity (275 mA/M) and fast analytical response (4 s) for the hormone, with a limit of detection of 11 nM in the range of 25 nM to 1.03 p,M. The biosensor showed high selectivity for the analytical detection of estriol. (C) 2015 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniv Complutense Madrid, Fac Chem, Dept Analyt Chem, E-28040 Madrid, Spain
dc.description.affiliationState Univ Sao Paulo, Inst Chem, BR-13560970 Sao Carlos, SP, Brazil
dc.description.affiliationMackenzie Presbiterian Univ, Sch Engn, BR-01302907 Sao Paulo, SP, Brazil
dc.description.affiliationUnespState Univ Sao Paulo, Inst Chem, BR-13560970 Sao Carlos, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipSpanish Ministry of Science and Innovation
dc.description.sponsorshipCommunity of Madrid, Programme NANOAVANSENS
dc.description.sponsorshipIdFAPESP: 2011/23047-7
dc.description.sponsorshipIdFAPESP: 2014/02457-0
dc.description.sponsorshipIdSpanish Ministry of Science and Innovation: CFQ2011-24355
dc.description.sponsorshipIdSpanish Ministry of Science and Innovation: CTQ2012-34238
dc.description.sponsorshipIdSpanish Ministry of Science and Innovation: CTQ2014-58989
dc.description.sponsorshipIdCommunity of Madrid, Programme NANOAVANSENS: S2013/MIT-3029
dc.format.extent332-339
dc.identifierhttp://dx.doi.org/10.1016/j.electacta.2015.06.013
dc.identifier.citationElectrochimica Acta. Oxford: Pergamon-elsevier Science Ltd, v. 174, p. 332-339, 2015.
dc.identifier.doi10.1016/j.electacta.2015.06.013
dc.identifier.fileWOS000359873400041.pdf
dc.identifier.issn0013-4686
dc.identifier.urihttp://hdl.handle.net/11449/158462
dc.identifier.wosWOS:000359873400041
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofElectrochimica Acta
dc.relation.ispartofsjr1,439
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectBiosensor
dc.subjectestriol
dc.subjectgraphene oxide
dc.subjectSb2O5
dc.subjecthybrid material
dc.titleReduced graphene oxide-Sb2O5 hybrid nanomaterial for the design of a laccase-based amperometric biosensor for estriolen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.orcid0000-0001-8871-8030[4]
unesp.author.orcid0000-0002-5227-7891[6]

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