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Progress curve analysis of enzyme reactions by flow microcalorimetry: Use of a pseudo-first order approximation
Abstract : We describe a method for determining the pseudo-first order rate constant of a chemical reaction by flow microcalorimetry operating in the flow-through mode. The impulse response of the instrument was described by a Gamma distribution and the equation of the thermogram was computed analytically. The resulting equation was fitted to the data by simulated annealing. The method was applied to an enzyme reaction following Michaelis-Menten kinetics by means of a new empirical equation relating the apparent rate constant to the kinetic parameters Vmax and Km. The method was exemplified by a kinetic study of horse serum butyrylcholinesterase.
https://hal-unilim.archives-ouvertes.fr/hal-00651681
Contributeur : Claire Douady <>
Soumis le : mercredi 14 décembre 2011 - 08:51:24
Dernière modification le : jeudi 5 mars 2020 - 17:56:18
Contributeur : Claire Douady <>
Soumis le : mercredi 14 décembre 2011 - 08:51:24
Dernière modification le : jeudi 5 mars 2020 - 17:56:18
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