Visible Light Photoelectrochemical Sensor for Dopamine: Determination Using Iron Vanadate Modified Electrode

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Autor(es): dc.contributorUniversidade Estadual de Londrina (UEL)-
Autor(es): dc.contributorNational Institute of Science Technology in Bioanalytic (INCTBio)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorCamargo, Luan Pereira-
Autor(es): dc.creatorda Silva Pelissari, Marcelo Rodrigues-
Autor(es): dc.creatorda Silva, Paulo Rogério Catarini-
Autor(es): dc.creatorBatagin-Neto, Augusto-
Autor(es): dc.creatorMedeiros, Roberta Antigo-
Autor(es): dc.creatorDias, Marcos Antônio-
Autor(es): dc.creatorDall’Antonia, Luiz Henrique-
Data de aceite: dc.date.accessioned2025-08-21T17:32:42Z-
Data de disponibilização: dc.date.available2025-08-21T17:32:42Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2022-10-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/molecules27196410-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/246071-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/246071-
Descrição: dc.descriptionThis study reports a facile approach for constructing low-cost and remarkable electroactivity iron vanadate (Fe-V-O) semiconductor material to be used as a photoelectrochemical sensor for dopamine detection. The structure and morphology of the iron vanadate obtained by the Successive Ionic Adsorption and Reaction process were critically characterized, and the photoelectrochemical characterization showed a high photoelectroactivity of the photoanode in visible light irradiation. Under best conditions, dopamine was detected by chronoamperometry at +0.35 V vs. Ag/AgCl, achieving two linear response ranges (between 1.21 and 30.32 μmol L−1, and between 30.32 and 72.77 μmol L−1). The limits of detection and quantification were 0.34 and 1.12 μmol L−1, respectively. Besides, the accuracy of the proposed electrode was assessed by determining dopamine in artificial cerebrospinal fluid, obtaining recovery values ranging from 98.7 to 102.4%. The selectivity was also evaluated by dopamine detection against several interferent species, demonstrating good precision and promising application for the proposed method. Furthermore, DFT-based electronic structure calculations were also conducted to help the interpretation. The dominant dopamine species were determined according to the experimental conditions, and their interaction with the iron vanadate photoanode was proposed. The improved light-induced DOP detection was likewise evaluated regarding the charge transfer process.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionDepartamento de Química/CCE/UEL State University of Londrina (UEL)-
Descrição: dc.descriptionGraduated Program in Chemistry State University of Londrina (UEL)-
Descrição: dc.descriptionNational Institute of Science Technology in Bioanalytic (INCTBio)-
Descrição: dc.descriptionFaculdade de Engenharia CTI São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartamento de Física/CCE/UEL State University of Londrina (UEL)-
Descrição: dc.descriptionInstituto de Ciências e Engenharia São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartamento de Neurocirurgia Centro de Ciências da Saúde State University of Londrina (UEL)-
Descrição: dc.descriptionFaculdade de Engenharia CTI São Paulo State University (UNESP)-
Descrição: dc.descriptionInstituto de Ciências e Engenharia São Paulo State University (UNESP)-
Descrição: dc.descriptionCNPq: 465389/2014-7-
Idioma: dc.languageen-
Relação: dc.relationMolecules-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectFe2V4O13-
Palavras-chave: dc.subjectFeVO4-
Palavras-chave: dc.subjectITO electrode-
Palavras-chave: dc.subjectlevodopa-
Palavras-chave: dc.subjectnon-enzymatic sensor-
Título: dc.titleVisible Light Photoelectrochemical Sensor for Dopamine: Determination Using Iron Vanadate Modified Electrode-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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