Biological half-life definition
WebDefinition The half-life is defined as the time elapsed when the intensity of the radia-tion is reduced to one half of its original value. 36 Figure 3.1. The radiation from a radioactive source decreases with time as shown. ... The biological half-life is rather uncertain as compared to the exact value of the physical half-life. WebAug 28, 2024 · In pharmacology, the time it takes for a drug to decrease by half its plasma (blood) concentration is called its half-life (t1⁄2). (Specifying that we're talking …
Biological half-life definition
Did you know?
Webbiological half-life. (ˌbaɪəˈlɒdʒɪkəl ˈhɑːflaɪf ) noun. the time required for half of a quantity of radioactive material absorbed by a living tissue or organism to be naturally eliminated. … WebThe biological half life of tritiated water in the human body, which is a measure of body water turn-over, varies with the season. Studies on the biological half life of occupational radiation workers for free water …
WebApr 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 ... WebThe term “biological half-life” should not be used instead of the specific terms “plasma half-life” or “serum half-life”. The tissue for which the half-life of a drug is determined should always be specified, e.g., “serum half-life”; the half-life of a drug in muscle, kidney, etc., or in the whole organism can be determined.
Webhalf-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by … WebFeb 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 …
WebDefine 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.
Webhalf-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 . great wolf lodge website ohioWebAug 8, 2024 · We can determine the amount of a radioactive isotope remaining after a given number half-lives by using the following expression: amount remaining = initial amount × (1 2)n. where n is the number of half-lives. This expression works even if the number of half-lives is not a whole number. Example 11.5.1: Fluorine-20. florist cleobury mortimerWebBiological halflife synonyms, Biological halflife pronunciation, Biological halflife translation, English dictionary definition of Biological halflife. n. See half-life. great wolf lodge water park sandusky ohioWebMay 23, 2024 · The half-life of a drug is an estimate of the time it takes for the concentration or amount in the body of that drug to be reduced by exactly one-half (50%). The symbol for half-life is t½. For example, if … great wolf lodge water park williamsburgBiological half-life (also known as elimination half-life, pharmacologic half-life) is the time taken for concentration of a biological substance (such as a medication) to decrease from its maximum concentration (Cmax) to half of Cmax in the blood plasma, and is denoted by the abbreviation . This is used to measure the removal of things such as metabolites, drugs, and signalling molecules from the body. Typically, the biological half-life refers to the body's natural cleansing through th… florist churton park wellingtonWebhalf-life: [noun] the time required for half of something to undergo a process: such as. the time required for half of the atoms of a radioactive substance to become disintegrated. … great wolf lodge water park wisconsinWebEffective-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 … great wolf lodge water park washington state