Biological half-life (elimination half-life, pharmacological half-life) is the time taken for concentration of a biological substance (such as a medication)...

medical sciences refer to the biological half-life of drugs and other chemicals in the human body. The converse of half-life (in exponential growth) is doubling...

Half-life is a mathematical and scientific description of exponential or gradual decay. Half-life, half life or halflife may also refer to: Half-Life...

half-life is the rate of accumulation or elimination of a biochemical or pharmacological substance in an organism; it is the analogue of biological half-life...

Half-Life is a series of first-person shooter (FPS) games created by Valve. The games combine shooting combat, puzzles and storytelling. The original...

90Sr can be tested by a bioassay, most commonly by urinalysis. The biological half-life of strontium-90 in humans has variously been reported as from 14...

Half maximal inhibitory concentration (IC50) is a measure of the potency of a substance in inhibiting a specific biological or biochemical function. IC50...

caesium does not bioaccumulate and is excreted relatively quickly. The biological half-life of caesium is about 70 days. A 1961 experiment showed that mice dosed...

biological half life of occupational radiation workers for free water tritium in a coastal region of Karnataka, India, show that the biological half life...

January 2014. "Biological Half-life". HyperPhysics. Retrieved 14 January 2014. Glasstone, Samuel; Dolan, Philip J. (1977). "XII: Biological Effects" (PDF)...

biological half-life of occupational radiation workers for free water tritium in a coastal region of Karnataka, India, show that the biological half-life...

The relatively "short" physical half-life of the isotope and its biological half-life of 1 day (in terms of human activity and metabolism) allows for scanning...

levothyroxine's relatively long biological half-life, and may result in symptoms of hypothyroidism in the patient. The shorter half-life of liothyronine permits...

isotope 89Zr is well suited because its physical half-life matches the typical biological half-life of antibodies, see table above. To conduct the scan...

(half-life 700 million years). The biological half-life (the average time it takes for the human body to eliminate half the amount in the body) for uranium...

half-life of about 16 minutes (this portion makes the renal-collecting system and bladder prominent in a normal PET scan). This short biological half-life...

The biologic half-life of LH is 20 minutes, shorter than that of FSH (3–4 hours) and hCG (24 hours).[citation needed] The biological half-life of LH...

provide analgesia or produce unconsciousness. In horses, the drug's biological half-life is 77 minutes. Premedication with xylazine (1.1 mg/kg) can reduce...

glurate, a prodrug of linaprazan which is expected to have a longer biological half-life than linaprazan itself. Rawla P, Sunkara T, Ofosu A, Gaduputi V (December...

or eliminated by catabolism and excretion. Thus, the longer the biological half-life of a toxic substance, the greater the risk of chronic poisoning,...

receptors as ANP does, but with 10-fold lower affinity than ANP. The biological half-life of BNP, however, is twice as long as that of ANP, and that of NT-proBNP...

prussian blue reduces the biological half-life (different from the nuclear half-life) of the caesium. The physical or nuclear half-life of 137Cs is about 30...

clearance, bioavailability, mean residence time, absorption rate, and half life. A clear pharmacokinetic profile would need to be established prior to...

active and may be excreted. Protein binding can influence the drug's biological half-life. The bound portion may act as a reservoir or depot from which the...

to form acetone by alcohol dehydrogenase in the liver and has a biological half-life in humans between 2.5 and 8.0 hours. Unlike methanol or ethylene...

and 70%, biological half-life (T1/2) is between 2 and 26 hours. Their good ability to cross the blood–brain barrier and the rather long half life of some...

biological activity of hydroxymetronidazole is 30% to 65%, and the elimination half-life is longer than that of the parent compound. The serum half-life...

minutes, down to 4.6 and 6.1 μg/L after 15 minutes, suggesting the biological half-life of JWH-018 is short. 13 phase 1 metabolites are identified. Monohydroxylated...

History and Philosophy of the Life Sciences. 32 (2–3): 247–267. PMID 21162370. Bailly, Francis; Longo, Giuseppe (2009). "Biological Organization and Anti-entropy"...

after 1–2 hours, and its biological half life is on average eight hours (range 3 to 20 hours) with desloratadine's half-life being 27 hours (range 9 to...