Results 131 to 140 of about 174,866 (182)
A route for polonium 210 production from alpha-particle irradiated bismuth-209 target
Radiochimica Acta, 2014 A method is proposed for production of polonium-210 via the 209Bi(α, 3n)210At nuclear reaction. Bombardment of a bismuth-209 target was performed with a 37 MeV alpha-particle beam that leads to the production of astatine-210 (T1/2 = 8.1 h), which decays ...
Ali Younes, Gilles Montavon, F Haddad
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Journal of Radiological Protection, 2007
The death of Alexander Litvinenko on 23 November 2006 has brought into focus scientific judgements concerning the radiotoxicity of polonium-210 ((210)Po). This paper does not consider the specific radiological circumstances surrounding the tragic death of Mr Litvinenko; rather, it provides an evaluation of published human and animal data and models ...
John, Harrison +4 more
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The death of Alexander Litvinenko on 23 November 2006 has brought into focus scientific judgements concerning the radiotoxicity of polonium-210 ((210)Po). This paper does not consider the specific radiological circumstances surrounding the tragic death of Mr Litvinenko; rather, it provides an evaluation of published human and animal data and models ...
John, Harrison +4 more
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BMJ, 2007
There9s fascinating science behind the media hype.
Steven Kennish, Stuart Currie
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There9s fascinating science behind the media hype.
Steven Kennish, Stuart Currie
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Distribution of Polonium-210 in the Human Lung
Radiation Research, 1979Polonium-210 has been measured in the tracheobronchial tree and parenchyma of cigarette smokers and nonsmokers in order to determine whether this ..cap alpha.. emitter is retained in smokers. The ratio of /sup 210/Po concentration in the tracheobronchial tree (T) to that in the lung parenchyma (P) in nonsmokers is T/P = 2.7 +- 0.5. The ratio in smokers
B S, Cohen +3 more
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Journal of Occupational and Environmental Medicine, 1965
The part played by polonium-210 in contributing to the biologically effective radiation dose received by humans in a variety of environments is described. The selection of data presented has been dictated to a large extent by the availability of post-mortem and other specimens and cannot be considered comprehensive.
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The part played by polonium-210 in contributing to the biologically effective radiation dose received by humans in a variety of environments is described. The selection of data presented has been dictated to a large extent by the availability of post-mortem and other specimens and cannot be considered comprehensive.
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Measurement of Polonium-210 in Human Blood
Nature, 1966POLONIUM-210 is a naturally occurring alpha-emitting isotope of the uranium series derived from decay of its long-lived parent, lead-210. Polonium-210 is present in most plants and foodstuffs, as well as in human tissues1–3. Body burdens of this isotope are usually determined by measuring its activity in tissue samples or urine2,4,5.
J B, Little, R B, McGandy
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The Polonium-210 Poisoning in London
Journal of Radiological Protection, 2007The full text of the Invited Editorial is given in the PDF file.
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Polonium-210: A Volatile Radioelement in Cigarettes
Science, 1964Polonium-210, which emits alpha particles, is a natural contaminant of tobacco. For an individual smoking two packages of cigarettes a day, the radiation dose to bronchial epithelium from Po 210 inhaled in cigarette smoke probably is at least seven times that from background sources, and in localized areas may be up
E P, RADFORD, V R, HUNT
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Binding of Polonium-210 to Liver Metallothionein
Radiation Research, 1991The interactions of 210Po at the molecular level in biological systems have received little study even though this alpha-emitting radionuclide occurs widely in nature. Polonium-210 was given subcutaneously to rats and found to be incorporated into liver metallothionein as judged by a number of criteria including heat stability, acetone precipitation ...
H V, Aposhian, D C, Bruce
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The Binding of Polonium-210 to Rat Tissues
Radiation Research, 1973LANZOLA, E. E., ALLEGRINI, M. E., AND TAYLOR, D. M. The Binding of Polonium-210 to Rat Tissues. Radiat. Res. 56, 370-384 (1973). The subcellular distribution of 210Po has been studied over periods of up to 47 days after intravenous, oral or intramuscular injection of the nuclide as citrate or in colloidal form.
E E, Lanzola +2 more
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