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Abstract:

An explicit point method is described for digital simulation of redox-enzyme catalysis and diffusion at soluble-enzyme electrodes. Two experimental conditions (chronopotentiometry and open-circuit potential decay) were simulated for a two-substrate enzyme (glucose oxidase) catalyzing the anaerobic oxidation of glucose, mediated by a soluble redox couple. Transient and steady-state responses are compared to experimental data and to predictions of the analytical solutions for selected cases. Simulated steady-state concentration profiles near the electrode surface are analyzed for different values of Ks/Cs and KO/CO. The validity of linear Lineweaver-Burk plots for the amperometric response of enzyme electrodes is discussed. © 1992.

Registro:

Documento: Artículo
Título:Digital simulation of homogeneous enzyme kinetics for amperometric redox-enzyme electrodes
Autor:Battaglini, F.; Calvo, E.J.
Filiación:Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires Pabellón II, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:Amperometry; Digital simulation; Enzyme electrodes; Glucose oxidase; glucose oxidase; amperometry; article; chemical reaction kinetics; computer simulation; enzyme assay
Año:1992
Volumen:258
Número:1
Página de inicio:151
Página de fin:160
DOI: http://dx.doi.org/10.1016/0003-2670(92)85208-N
Título revista:Analytica Chimica Acta
Título revista abreviado:Anal. Chim. Acta
ISSN:00032670
CODEN:ACACA
CAS:glucose oxidase, 9001-37-0
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00032670_v258_n1_p151_Battaglini

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Citas:

---------- APA ----------
Battaglini, F. & Calvo, E.J. (1992) . Digital simulation of homogeneous enzyme kinetics for amperometric redox-enzyme electrodes. Analytica Chimica Acta, 258(1), 151-160.
http://dx.doi.org/10.1016/0003-2670(92)85208-N
---------- CHICAGO ----------
Battaglini, F., Calvo, E.J. "Digital simulation of homogeneous enzyme kinetics for amperometric redox-enzyme electrodes" . Analytica Chimica Acta 258, no. 1 (1992) : 151-160.
http://dx.doi.org/10.1016/0003-2670(92)85208-N
---------- MLA ----------
Battaglini, F., Calvo, E.J. "Digital simulation of homogeneous enzyme kinetics for amperometric redox-enzyme electrodes" . Analytica Chimica Acta, vol. 258, no. 1, 1992, pp. 151-160.
http://dx.doi.org/10.1016/0003-2670(92)85208-N
---------- VANCOUVER ----------
Battaglini, F., Calvo, E.J. Digital simulation of homogeneous enzyme kinetics for amperometric redox-enzyme electrodes. Anal. Chim. Acta. 1992;258(1):151-160.
http://dx.doi.org/10.1016/0003-2670(92)85208-N