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1
Naturally Occurring Radioactive Materials: Principles and ...
This process of elimination is analogous to the radioactive half-life and is termed
the biological half-life (T1/2b). The biological half-life is the approximate time
taken for an average adult human to eliminate one-half of a radioactive
substance, ...
2
Handbook on Metals in Clinical and Analytical Chemistry
Half-life. Data reported on the biological half-life of aluminum in the international
literature are widely diverging. Studies on this subject basically originate from
occupational medicine and refer largely to an aluminum exposure via inhaling.
Hans Seiler, Astrid Sigel, Helmut Sigel, 1994
3
Medical Physics: Imaging
It is also possible to define a biological half-life Tb as the time taken for biological
processes to remove half the available material, assuming that no new material is
arriving. From equation 3.4, A = 0.693 Hence, using the equation above 0.693 ...
4
Comprehensive Handbook of Iodine: Nutritional, Biochemical, ...
These measurements provided sufficient information so that the biological half-
life of iodine could be calculated. The average biological half-life of I in 26
euthyroid (normal) subjects was found to be 66.1 ± 6.3 days, which may be
statistically ...
Victor R. Preedy, Gerard N. Burrow, Ronald Ross Watson, 2009
5
ECOTOX: Ecological Modelling and Ecotoxicology
... 2—54 2—55 2—56 2—57 2—58 2—59 2—60 2—6 1 2—62 2—63 2—65
Biological half—life TCDD 2—66 Biological half-life TCDF 2—67 Biological.
Biological half-life Biological half-life Biological half-life Biological half-life
Biological ...
L.A. Jørgensen, S.N. Nielsen, S.E. Jorgensen, 2012
6
TEXTBOOK OF BIOCHEMISTRY AND HUMAN BIOLOGY
Half-life in terms of radioactivity is physical half-life, while half-life in terms of
presence in the biological systems is called the biological half-life. For a
radioisotope injected in a patient, both physical and biological half-lives can be
ascertained ...
G. P. TALWAR, L .M. SRIVASTAVA, 2002
7
Chemie Der Umweltbelastung
To assess how long a radioactive element contaminates the body after its
incorporation, the biological half-life is relevant; the biological half-life is the time
span during which half of the received material is eliminated from the body, since
...
8
Textbook Of Pharmacology
Biological. Half-Life. Biological half-life is the time after which the total amount of
drug in the body is reduced to half after equilibration of plasma with other
compartment, e.g. fat, muscles, and soon.
9
Lewis' Dictionary of Toxicology
2: the half-life of a substance (usually a pollutant) in the environment measured
by its effect on a specified component of the environment. pharmacologic half-life.
biological half-life as measured by the rate of loss of pharmacologic activity of a ...
10
Counter-Terrorism for Emergency Responders, Second Edition
Rates at which radioactive isotopes are eliminated from the body are expressed
as the biological half-life. That is the time it takes one-half of the material to be
excreted or expelled from the body. During each additional half-life, an additional
...
ȘTIRI NOI CARE INCLUD TERMENUL «BIOLOGICAL HALF-LIFE»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
biological half-life în contextul următoarelor știri.
TACTful Perseverance and a Black Swan Event
Cadmium biological half-life in humans is very long, about 15 to 30 years (8). Lead is another bad actor. Lead exposure is still two orders of ... «MedPage Today, Mar 15»
Produce worries easing but some fish, wild foods still a problem in …
... bottom fish become contaminated by eating radioactive matter on the seabed, while others note that such fish have a slow biological half-life, ... «The Japan Times, Mar 15»
Anavex Announces Positive Phase 1 Data for ANAVEX 2-73, Lead …
The biological half-life (T1/2) for ANAVEX 2-73 was 8.56 hours and 28.74 hours for its metabolite. The poster entitled "A Phase 1 Dose ... «GlobeNewswire, Nov 14»
Drinking a Beer Can Save You From Radiation Poisoning
In the section entitled "dose reduction" the report enthusiastically states that enouch consumption can reduce the biological half-life - the time it ... «io9, Oct 14»
Manh(a)ttan Recap: Security Theater and Safety Risks [SPOILERS]
And it has a biological half-life of 200 years, exposing the surrounding tissue to even more radiation. (That said, several Los Alamos workers ... «Scientific American, Sep 14»
Food not checked for radiation poses risk in Fukushima: study
A different, but easily confused concept, is the 'biological half-life'. ... the thyroid, stored for use in the body – so it has a long biological half-life. «The Japan Times, Iun 14»
GE Healthcare Announces FDA Approval to Supply Technetium …
The short physical half-life, or time it remains radioactive, of the isotope and its biological half-life of 1 day (in terms of human activity and ... «MarketWatch, Mai 14»
This Radiation Scanner Is Custom Built for Fukushima's Babies
"This detection limit is however too high for reliably measuring small children, since the biological half-life of radioactive cesium in children ( 13 ... «Motherboard, Mar 14»
No radiation in fish tested: Health Canada
In the article, Chen concluded that owing to dilution, migration patterns and the low biological half-life of cesium in fish, the level in fish caught ... «Coast Reporter, Feb 14»
United Therapeutics Corporation : FDA Approves Orenitram …
... can be used in intravenous administration, is not degraded when it passes through the lungs, and has a long biological half-life. "Accordingly ... «4-traders, Ian 14»
