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In pharmacology, the international unit (IU) is a unit of measurement for the effect or biological activity of a substance, for the purpose of easier comparison across similar forms of substances. International units are used to quantify vitamins and biologics ( hormones , some medications , vaccines , blood products and similar biologically ...
The enzyme unit, or international unit for enzyme (symbol U, sometimes also IU) is a unit of enzyme's catalytic activity. [ 1 ] 1 U (μmol/min) is defined as the amount of the enzyme that catalyzes the conversion of one micro mole of substrate per minute under the specified conditions of the assay method .
International units (IU) are based on measured biological activity or effect, or for some substances, a specified equivalent mass. [ citation needed ] Enzyme activity ( kat ) is commonly used for e.g. liver function tests like AST , ALT , LD and γ-GT in Sweden.
mistaken for U, meaning units; also has an ambiguous meaning; use "mL" or "millilitres" (1 cm 3 = 1 mL) cf. confer compare c.n. cras nocte: tomorrow night cochl. cochleare: spoonful cochl. ampl. cochleare amplum: an ample spoonful (a tablespoonful) cochl. infant. cochleare infantis: a small spoonful (a teaspoonful) cochl. mag. cochleare magnum
mean corpuscular hemoglobin MCHC mean corpuscular hemoglobin concentration mCi millicurie MCV mean corpuscular volume mEq Milliequivalent midi midday Mg magnesium mg milligram(s) MI myocardial infarction MIC minimum inhibitory concentration min(s) minute(s) '/60' is used in some regions. mIU milli-international unit mL, ml
Airbags, advanced driver assistance features, and high-strength materials mean that the safest cars today are far better at protecting people from injuries than ever before. Although most new cars ...
Fruitcake. Step one of a fruitcake is soaking pounds of dried fruit until it's plump and filled with bourbon. That takes up to 12 hours. Step two is simple: making and baking the loaves.
The specific activity of an enzyme is another common unit. This is the activity of an enzyme per milligram of total protein (expressed in μmol min −1 mg −1).Specific activity gives a measurement of enzyme purity in the mixture.