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dc.contributor.authorCavalcanti, Igor T.-
dc.contributor.authorGuedes, Maria I. F.-
dc.contributor.authorSotomayor, Maria Del Pilar Taboada-
dc.contributor.authorYamanaka, Hideko-
dc.contributor.authorDutra, Rosa F.-
dc.date.accessioned2014-05-20T14:19:20Z-
dc.date.accessioned2016-10-25T17:41:02Z-
dc.date.available2014-05-20T14:19:20Z-
dc.date.available2016-10-25T17:41:02Z-
dc.date.issued2012-08-15-
dc.identifierhttp://dx.doi.org/10.1016/j.bej.2012.06.016-
dc.identifier.citationBiochemical Engineering Journal. Lausanne: Elsevier B.V. Sa, v. 67, p. 225-230, 2012.-
dc.identifier.issn1369-703X-
dc.identifier.urihttp://hdl.handle.net/11449/25836-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/25836-
dc.description.abstractThe non-structural protein 1 (NS1) of dengue virus is abundantly circulating in the blood during the acute phase of the dengue infection being correlated with viremia levels and hence can be used to early diagnostic of the dengue hemorrhagic fever. An electrochemical immunosensor based on gold film electrode obtained from a recordable compact disk (CD-trode) was developed for NS1 protein. Anti-NS1 monoclonal antibodies were immobilized on the CD-trode via protein A. The stepwise immobilization of the anti-NS1 was characterized by cyclic voltammetry and electrochemical impedance spectroscopy. The analytical response to the NS1 interaction with anti-NS1 immobilized on CD-trode was detected by applying the differential pulse voltammetry technique. The immunosensor showed a linear response from 1 to 100 ng/mL of NS1 and a detection limit of 0.33 ng/mL. This label-free immunosensor exhibited a good reliability for NS1 detection in serum samples presuming an early diagnostic of the dengue virus. (C) 2012 Elsevier B.V. All rights reserved.en
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.description.sponsorshipFundação de Amparo à Ciência e Tecnologia do Estado de Pernambuco (FACEPE)-
dc.format.extent225-230-
dc.language.isoeng-
dc.publisherElsevier B.V. Sa-
dc.sourceWeb of Science-
dc.subjectElectrochemical immunosensoren
dc.subjectNS1en
dc.subjectDengueen
dc.subjectCD-trodeen
dc.titleA label-free immunosensor based on recordable compact disk chip for early diagnostic of the dengue virus infectionen
dc.typeoutro-
dc.contributor.institutionUniversidade Federal de Pernambuco (UFPE)-
dc.contributor.institutionUniv Estadual Ceara-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniversidade Federal de Pernambuco (UFPE), Lab Engn Biomed, BR-50670420 Recife, PE, Brazil-
dc.description.affiliationUniv Estadual Ceara, Lab Bioquim Humana, Fortaleza, CE, Brazil-
dc.description.affiliationUniv Estadual Paulista, Inst Quim Araraquara, Araraquara, SP, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim Araraquara, Araraquara, SP, Brazil-
dc.identifier.doi10.1016/j.bej.2012.06.016-
dc.identifier.wosWOS:000310945100029-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofBiochemical Engineering Journal-
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