[Interaction of Po210 with the individual biosubstrates of the liver].
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Biomedical subjects
Publications and source records attributed to D K Popov.
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A study was made of the ability of plutonium to bind to a complex with amino acids, organic and inorganic acids of normal blood serum. Among the low molecular weight addends bicarbonate ions play a major role in plutonium binding. In this respect, possible mechanisms of plutonium metabolism in the blood are discussed.
A technique has been developed for the determination of americium 241 in urine by a radiochemical purification of the nuclide from uranium (upon co-precipitation of americium 241 with calcium and lanthanum), plutonium, thorium, and polonium 210 (upon co-precipitation of these radionuclides with zirconium iodate). alpha-Radioactivity was measured either in a thick layer of the americium 241 precipitate with a nonisotope carrier or in thin-layer preparations after electrolytic precipitation of americium 241 on a cathode.
It was shown that uranium is deposited in the mineral and the organic matrix of bones, and approximately 50% of uranium is bound with the latter. In the bone mineral, uranium is deposited not on the surface of hydroxyl apatite crystals but distributed uniformly within them.
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