Biological half-life definition
WebMay 22, 2024 · Biological Half-Life. In general, the biological half-life is the time taken for the amount of a particular element in the body to decrease to half of its initial value due to elimination by biological … WebThis short biological half-life indicates that this 20% portion of the total fluorine-18 tracer activity is eliminated renally much more quickly than the isotope itself can decay. ... Still, this half life is sufficiently long to allow shipping the compound to remote PET scanning facilities, in contrast to other medical radioisotopes like ...
Biological half-life definition
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WebEffective-half life formula. The effective half-life is the biological excretion along with the radioactive decay after a radiopharmaceutical enters a body. The effective half-life can be represented as: 1 T E = 1 T B + 1 T p. T E = Effective Half-life. T B = Biological Half-life. T P = Physical Half-life. Rearranging the above yields: T E = T ... WebDefine biological half-life. biological half-life synonyms, biological half-life pronunciation, biological half-life translation, English dictionary definition of biological half-life. n. See …
WebApr 8, 2024 · noun. variants or biologic half-life. : the time that a living body requires to eliminate one half the quantity of an administered substance (as a radioisotope) through its normal channels of elimination. The meaning of BIOLOGICAL OXYGEN DEMAND is biochemical oxygen … Webbiological half-life. T 1/2 Biology The time required for 1⁄2 of the total amount of a particular substance in a biologic system to be degraded by biological processes when the rate of …
WebDefine Halflife. Halflife synonyms, Halflife pronunciation, Halflife translation, English dictionary definition of Halflife. n. 1. Physics The time required for half the nuclei in a sample of a specific isotopic species to undergo radioactive decay. ... (biological half-life) or removed by both elimination and decay (effective half-life ... WebMar 9, 2024 · Biological half-life. The time required for a biological system, such as that of a human, to eliminate, by natural processes, half of the amount of a substance (such as …
WebThe 30 years is the physical half-life. Here are the different half-life measures and what they mean. Half Lives. Physical Half Life is the time for a quantity of radioisotope to decay by …
WebJun 23, 2024 · Half-life in the context of medical science typically refers to the elimination half-life. The definition of elimination half-life is the length of time required for the … hemel hempstead footballWebDefine half-life. half-life synonyms, half-life pronunciation, half-life translation, English dictionary definition of half-life. n. 1. Physics The time required for half the nuclei in a sample of a specific isotopic species to undergo radioactive decay. hemel hempstead from londonWebFeb 27, 2024 · Definition. noun, plural: half-lives. (1) Biological half-life, i.e. the period in which the amount of substance inside the living organism is metabolized and eliminated … land rover macerataWebApr 11, 2024 · half-life in British English. noun. 1. the time taken for half of the atoms in a radioactive material to undergo decay. Symbol: τ1/2. 2. the time required for half of a quantity of radioactive material absorbed by a living tissue or organism to be naturally eliminated ( biological half-life) or removed by both elimination and decay ( effective ... hemel hempstead football academyWebhalf-life: [ haf´līf″ ] the time required for the decay of half of a sample of particles of a radionuclide or elementary particle; see also radioactivity . Symbol t ½ or T ½ . hemel hempstead floristsWebHalf-life (symbol t ½) is the time required for a quantity (of substance) to reduce to half of its initial value.The term is commonly used in nuclear physics to describe how quickly … land rover maconWebhalf-life. (hăf′līf′, häf′-) n. 1. Physics The time required for half the nuclei in a sample of a specific isotopic species to undergo radioactive decay. 2. Biology. a. The time required for half the quantity of a drug or other substance deposited in a living organism to be metabolized or eliminated by normal biological processes. land rover m57 conversion