- enzyme-activity unit
- 酶的活力单位
Medical Chinese dictionary (湘雅医学词典). 2013.
enzyme-activity unit
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enzyme activity — the catalytic effect exerted by an enzyme, expressed as units per milligram of enzyme (specific activity) or as molecules of substrate transformed per minute per molecule of enzyme (molecular activity). The conventional unit of enzyme activity is … Medical dictionary
Unit — may refer to:In mathematics: * Unit vector, a vector with length equal to 1 * Unit circle, the circle with radius equal to 1, centered at the origin * Unit interval, the interval of all real numbers between 0 and 1 * Imaginary unit, i , whose… … Wikipedia
Activity based proteomics — Activity based proteomics, or activity based protein profiling (ABPP) is a functional proteomic technology that uses specially designed chemical probes that react with mechanistically related classes of enzymes [Berger AB, et al. Activity based… … Wikipedia
international unit of enzyme activity — the amount of an enzyme that will catalyze the transformation of 1 micromole of substrate per minute under standard conditions of temperature, optimal pH, and optimal substrate concentration. Symbol U … Medical dictionary
Enzyme assay — Beckman DU640 UV/Vis spectrophotometer. Enzyme assays are laboratory methods for measuring enzymatic activity. They are vital for the study of enzyme kinetics and enzyme inhibition. Contents … Wikipedia
Enzyme unit — The enzyme unit (U) is a unit for the amount of a particular enzyme. [cite journal |author=Nomenclature Committee of the International Union of Biochemistry (NC IUB) |title=Units of Enzyme Activity |journal=Eur. J. Biochem. |volume=97… … Wikipedia
enzyme unit — see international u. of enzyme activity … Medical dictionary
unit — 1. One; a single person or thing. 2. A standard of measure, weight, or any other quality, by multiplications or fractions of which a scale or system is formed. 3. A group of persons or things considered as a whole because of mutual activities or… … Medical dictionary
enzyme unit — (U or EU) a unit used by biochemists to measure the activity of enzymes, which are proteins produced by living cells to cause or facilitate necessary chemical reactions within the cell. One enzyme unit is the quantity of enzyme needed to cause … Dictionary of units of measurement
activity — 1. In electroencephalography, the presence of neurogenic electrical energy. 2. In physical chemistry, an ideal concentration for which the law of mass action will apply perfectly; the ratio of the a. to the true concentr … Medical dictionary
Specific activity — This article is about the specific activity of an enzyme. A completely different definition of specific activity is used in nuclear sciences and technologies, in which activity is the SI quantity related to the phenomenon of natural and… … Wikipedia
