Michaelis constant
noun Etymology: Leonor Michaelis died 1949 American biochemist Date: 1930 a constant that is a measure of the kinetics of an enzyme reaction and that is equivalent to the concentration of substrate at which the reaction takes place at one half its maximum rate

New Collegiate Dictionary. 2001.

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  • Michaelis constant — Michaelis constant. См. константа Михаэлиса. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Michaelis constant — Mi·chae·lis constant mī kā ləs , mə n a constant that is a measure of the kinetics of an enzyme reaction and that is equivalent to the concentration of substrate at which the reaction takes place at one half its maximum rate Michaelis Leonor… …   Medical dictionary

  • michaelis constant — mī¦kālə̇s , mə̇ noun Usage: usually capitalized M Etymology: after Leonor Michaelis died 1949 American biochemist : a constant that is a measure of the kinetics of an enzyme reaction and that is equivalent to the concentration of substrate at… …   Useful english dictionary

  • Michaelis constant — (Km; mī ka lis) A kinetic constant for an enzyme reaction that equals the substrate concentration required for the enzyme to operate at half maximal velocity …   Dictionary of microbiology

  • Michaelis constant — See Km …   Dictionary of molecular biology

  • Michaelis constant — See: Km …   Glossary of Biotechnology

  • Michaelis–Menten kinetics — An example curve with parameters Vmax=3.4 and Km=0.4. In biochemistry, Michaelis–Menten kinetics is one of the simplest and best known models of enzyme kinetics. It is named after German biochemist Leonor Michaelis and Canadian physician Maud… …   Wikipedia

  • Michaelis-Menten equation — a fundamental equation of enzyme kinetics: where v is the “initial velocity” of an enzyme catalyzed reaction (the velocity when the product concentration is near zero); [S] is the substrate concentration; and Vmax and KM are two constants… …   Medical dictionary

  • Michaelis-Menten equation — Equation derived from a simple kinetic model of enzyme action that successfully accounts for the hyperbolic (adsorption isotherm) relationship between substrate concentration S and reaction rate V. V = Vmax x S/(S + Km), where Km is the Michaelis …   Dictionary of molecular biology

  • Michaelis-Menten kinetics — Mi·chae·lis Men·ten kinetics men tən n pl but sing or pl in constr the behavior of an enzyme catalyzed reaction with a single substrate esp. as exhibited by plotting the velocity of the reaction against the concentration of the substrate which… …   Medical dictionary

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