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Modelling of laccase-catalyzed L-DOPA oxidation in a microreactor (CROSBI ID 147031)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Tišma, Marina ; Zelić, Bruno ; Vasić-Rački, Đurđa ; Žnidaršič-Plazl, Polona ; Plazl, Igor Modelling of laccase-catalyzed L-DOPA oxidation in a microreactor // Chemical engineering journal, 149 (2009), 1-3; 383-388. doi: 10.106/j.cej.2009.01.025

Podaci o odgovornosti

Tišma, Marina ; Zelić, Bruno ; Vasić-Rački, Đurđa ; Žnidaršič-Plazl, Polona ; Plazl, Igor

engleski

Modelling of laccase-catalyzed L-DOPA oxidation in a microreactor

Laccase-catalyzed L-DOPA oxidation in an oxygen-saturated water solution was studied in a y-shaped microreactor at different residence times. In a given microreactor geometry, up to 87 % conversions of L-DOPA were achieved at residence times below 2 minutes. A two-dimensional mathematical model composed of convection, diffusion, and enzyme reaction terms was developed. Enzyme kinetics was described with the double substrate Michaelis-Menten equation, where kinetic parameters from previously performed batch experiments were used. Model simulations, obtained by a non-equidistant finite differences numerical solution of a complex equation system, were proved and verified in a set of experiments performed in a microreactor. Based on the developed model, further microreactor design and process optimization are feasible.

L-DOPA; laccase; oxidation; microreactor; reaction-diffusion dynamics; modelling

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Podaci o izdanju

149 (1-3)

2009.

383-388

objavljeno

1385-8947

10.106/j.cej.2009.01.025

Povezanost rada

Biotehnologija

Poveznice
Indeksiranost