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Abstract:

A systematic study of the inhibition of laccase by hydrogen peroxide in oxygen biocathodes composed of layer-by-layer selfassembled multilayers of Trametes-trogii laccase and osmium derivatized poly(allylamine) redox mediator has been accomplished using a rotating disc electrode at different electrode potentials, oxygen partial pressures and hydrogen peroxide concentrations. The experimental results are consistent with a reversible non-competitive inhibition mechanism in agreement with the Solomon mechanism for laccase previously reported. © 2015 The Electrochemical Society. All rights reserved.

Registro:

Documento: Artículo
Título:Non-competitive reversible inhibition of laccase by H2O2 in osmium mediated layer-by-layer multilayer O2 biocathodes
Autor:Grattieri, M.; Scodeller, P.; Adam, C.; Calvo, E.J.
Filiación:INQUIMAE-DQIAyQF, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina, Buenos Aires, 1428, Argentina
Department of Chemistry, Materials and Chemical-Engineering, Politecnico di Milano, Milan, 20133, Italy
Department of Chemistry, Università Degli Studi di Milano, Milan, 20133, Italy
Institute of Biomedicine and Translational Medicine, University of Tartu, Tartu, 50411, Estonia
Palabras clave:Electrodes; Enzymes; Hydrogen peroxide; Osmium; Oxidation; Peroxides; Competitive inhibition; Electrode potentials; Hydrogen peroxide concentration; Oxygen biocathodes; Oxygen partial pressure; Reversible inhibitions; Rotating disc electrode; Self assembled multilayers; Multilayers
Año:2015
Volumen:162
Número:9
Página de inicio:G82
Página de fin:G86
DOI: http://dx.doi.org/10.1149/2.0831509jes
Título revista:Journal of the Electrochemical Society
Título revista abreviado:J Electrochem Soc
ISSN:00134651
CODEN:JESOA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00134651_v162_n9_pG82_Grattieri

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Citas:

---------- APA ----------
Grattieri, M., Scodeller, P., Adam, C. & Calvo, E.J. (2015) . Non-competitive reversible inhibition of laccase by H2O2 in osmium mediated layer-by-layer multilayer O2 biocathodes. Journal of the Electrochemical Society, 162(9), G82-G86.
http://dx.doi.org/10.1149/2.0831509jes
---------- CHICAGO ----------
Grattieri, M., Scodeller, P., Adam, C., Calvo, E.J. "Non-competitive reversible inhibition of laccase by H2O2 in osmium mediated layer-by-layer multilayer O2 biocathodes" . Journal of the Electrochemical Society 162, no. 9 (2015) : G82-G86.
http://dx.doi.org/10.1149/2.0831509jes
---------- MLA ----------
Grattieri, M., Scodeller, P., Adam, C., Calvo, E.J. "Non-competitive reversible inhibition of laccase by H2O2 in osmium mediated layer-by-layer multilayer O2 biocathodes" . Journal of the Electrochemical Society, vol. 162, no. 9, 2015, pp. G82-G86.
http://dx.doi.org/10.1149/2.0831509jes
---------- VANCOUVER ----------
Grattieri, M., Scodeller, P., Adam, C., Calvo, E.J. Non-competitive reversible inhibition of laccase by H2O2 in osmium mediated layer-by-layer multilayer O2 biocathodes. J Electrochem Soc. 2015;162(9):G82-G86.
http://dx.doi.org/10.1149/2.0831509jes