Development of a molecularly imprinted polymer for uric acid sensing based on a conductive azopolymer: Unusual approaches using electrochemical impedance/capacitance spectroscopy without a soluble redox probe

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorTrevizan, Heitor Furlan [UNESP]-
Autor(es): dc.creatorOlean-Oliveira, André [UNESP]-
Autor(es): dc.creatorCardoso, Celso Xavier [UNESP]-
Autor(es): dc.creatorTeixeira, Marcos F.S. [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T00:54:13Z-
Data de disponibilização: dc.date.available2022-02-22T00:54:13Z-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-09-15-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.snb.2021.130141-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/208712-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/208712-
Descrição: dc.descriptionIn the present study, we report the use of an electrochemical sensor for uric acid using a molecularly imprinted polymer (MIP) as a molecular recognition platform. The MIP was based on an azopolymer electropolymerized in the presence of uric acid used as a template molecule. The azo group of the polymer contributes to the quantifiable redox capacitance of the electrode surface, which can be probed by impedance/capacitance spectroscopy. Thus, the advantage of the developed sensor is its ability to perform direct measurements without a soluble redox probe. The molecularly imprinted polymer can sensitively transduce the recognition and binding of specific analytes by redox capacitance. Through electrochemical impedance spectroscopy (EIS) and electrochemical capacitive spectroscopy (ECS), unusual approaches were able to obtain different analytical curves with distinct characteristics, reaching a limit of detection of 0.160 μmol L−1.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionDepartment of Chemistry and Biochemistry School of Science and Technology – Sao Paulo State University (UNESP), Rua Roberto Simonsen 305-
Descrição: dc.descriptionDepartment of Chemistry and Biochemistry School of Science and Technology – Sao Paulo State University (UNESP), Rua Roberto Simonsen 305-
Descrição: dc.descriptionFAPESP: 2016/09017-1-
Descrição: dc.descriptionCNPq: 301298/2017-3-
Descrição: dc.descriptionCAPES: 88882.434480/2019-01-
Idioma: dc.languageen-
Relação: dc.relationSensors and Actuators, B: Chemical-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAzopolymer-
Palavras-chave: dc.subjectMolecular recognition-
Palavras-chave: dc.subjectMolecularly imprinted polymer-
Palavras-chave: dc.subjectResistive/capacitive sensor-
Palavras-chave: dc.subjectUric acid-
Palavras-chave: dc.subjectWithout redox probe-
Título: dc.titleDevelopment of a molecularly imprinted polymer for uric acid sensing based on a conductive azopolymer: Unusual approaches using electrochemical impedance/capacitance spectroscopy without a soluble redox probe-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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