substrate constant

См. также в других словарях:

• constant — A quantity that, under stated conditions, does not vary with changes in the environment. association c. 1. in experimental immunology, a mathematical expression of hapten antibody interaction : average association c., K = [hapten bound… …   Medical dictionary

• Substrate coupling — In an integrated circuit, a signal can couple from one node to another via the substrate. This phenomenon is referred to as substrate coupling or substrate noise coupling.The push for reduced cost, more compact circuit boards, and added customer… …   Wikipedia

• 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

• Lattice constant — The Lattice Constant refers to the constant distance between unit cells in a crystal lattice. Lattices in three dimensions generally have three lattice constants, referred to as a , b , and c . However, in the special case of cubic crystal… …   Wikipedia

• Mi|chae|lis constant — «my KAY lihs, MY kuh lihs», Biochemistry. a measure of the affinity of an enzyme for its substrate, equal to the substrate concentration at which the enzyme catalyzed reaction proceeds at half of its maximal rate. ╂[< Leonor Michaelis, 1875… …   Useful english dictionary

• electronic substrate and package ceramics — Introduction       advanced industrial materials that, owing to their insulating qualities, are useful in the production of electronic components.       Modern electronics are based on the integrated circuit, an assembly of millions of… …   Universalium

• 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… …   New Collegiate Dictionary

• Specificity constant — The specificity constant k {cat}/K {m} is a measure of how efficiently an enzyme converts a substrate into product. See Enzyme kinetics and Michaelis Menten kinetics …   Wikipedia

• 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 — 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

• Nucleophile — A nucleophile is a species that donates an electron pair to an electrophile to form a chemical bond in a reaction. All molecules or ions with a free pair of electrons can act as nucleophiles. Because nucleophiles donate electrons, they are by… …   Wikipedia