TERMIUM Plus®

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MICHAELIS-MENTEN RATE EQUATION [1 record]

Record 1 2012-01-04

English

Subject field(s)
  • Chemistry
  • Biological Sciences
  • Biotechnology
DEF

An equation relating the reaction velocity to the substrate concentration of an enzyme.

CONT

Michaelis-Menten equation. ... It relates the initial velocity, the maximum velocity, and the initial substrate concentration through the Michaelis-Menten constant.... Its derivation is based on the assumption that an enzyme-substrate complex is formed reversibly as an essential step in catalysis.

OBS

The Henri-Michaelis-Menten equation was originally developed by Victor Henri (1903) and later confirmed by Leonor Michaelis and Maud Menten (1913).

OBS

rate law: ... a mathematical equation that describes the progress of the reaction. There are two forms of a rate law for chemical kinetics: the differential rate law and the integrated rate law.

Key term(s)
  • Henri Michaelis Menten equation
  • Henri Michaelis Menten rate law
  • Michaelis Menten equation
  • Michaelis Menten rate equation

French

Domaine(s)
  • Chimie
  • Sciences biologiques
  • Biotechnologie
DEF

Équation de vitesse des réactions enzymatiques à un seul substrat qui exprime la relation mathématique existant entre la vitesse initiale d'une réaction enzymatique, la concentration du substrat et certaines caractéristiques de l'enzyme.

OBS

Michaelis et Menten publient leurs travaux sur l'influence de la concentration en substrat sur la vitesse de réaction enzymatique : ils redécouvrent l'équation de Henri! Cette relation est maintenant connue sous le nom de Henri-Michaelis-Menten.

OBS

Loi de vitesse. La vitesse d'une réaction chimique dépend généralement de plusieurs variables, dont les plus importantes sont la concentration des différentes espèces chimiques (réactifs et produits) et le temps.

Key term(s)
  • équation de Henri Michaelis Menten
  • équation de Michaelis Menten

Spanish

Campo(s) temático(s)
  • Química
  • Ciencias biológicas
  • Biotecnología
DEF

Ecuación que relaciona la velocidad inicial de una reacción enzimática sobre un sustrato y la constante de Michaelis.

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