Enzyme immobilization on Ag nanoparticles/polyaniline nanocomposites.

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorCrespilho, Frank Nelson-
Autor(es): dc.creatorIost, Rodrigo Michelin-
Autor(es): dc.creatorTravain, Silmar Antonio-
Autor(es): dc.creatorOliveira Junior, Osvaldo Novais de-
Autor(es): dc.creatorZucolotto, Valtencir-
Data de aceite: dc.date.accessioned2019-11-06T13:32:22Z-
Data de disponibilização: dc.date.available2019-11-06T13:32:22Z-
Data de envio: dc.date.issued2015-02-24-
Data de envio: dc.date.issued2015-02-24-
Data de envio: dc.date.issued2009-
Fonte completa do material: dc.identifierhttp://www.repositorio.ufop.br/handle/123456789/4472-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/557566-
Descrição: dc.descriptionThe performance of the modified electrodes toward urea hydrolysis was investigated via amperometric measurements, revealing a fast increase in cathodic current with a well-defined peak upon addition of urea to the electrolytic solution. The cathodic currents for the ITO/PAni/PVA–AgNP/urease electrodes were significantly higher than for the ITO/PAni/urease electrodes. The friendly environment provided by the ITO/PAni/PVA–AgNP electrode to the immobilized enzyme promoted efficient catalytic conversion of urea into ammonium and bicarbonate ions. Using the Michaelis–Menten kinetics equation, a KM app of 2.7mmolL−1 was obtained, indicating that the electrode architecture employedmay be advantageous for fabrication of enzymatic devices with improved biocatalytic properties.-
Idioma: dc.languageen-
Direitos: dc.rightsO Periódico Biosensors & Bioelectronics concede permissão para depósito do artigo no Repositório Institucional da UFOP. Número da licença: 3566051124860.-
Palavras-chave: dc.subjectSilver nanocomposite-
Palavras-chave: dc.subjectUrease-
Palavras-chave: dc.subjectPolyaniline-
Palavras-chave: dc.subjectEnzyme immobilization-
Palavras-chave: dc.subjectBioelectrochemistry-
Título: dc.titleEnzyme immobilization on Ag nanoparticles/polyaniline nanocomposites.-
Aparece nas coleções:Repositório Institucional - UFOP

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