99Tc transfer from water to monogastric
2002
Technetium-99 (T1;2: 212 000 years) is derived from the Fission of uranium-235 and produced more particularly by nuclear fuel reprocessing plants. We studied, during a chronic contamination by water, excretion, distribution and retention of "Tc in rats as monogastric model. More than 85% of ingested "Tc is excreted by urine and feces, urinary way being dominant from the first week, to reach 72% of total excretion at the end of the experiment (14 weeks). The thyroid and hair content increased until the end of the treatment. They represented respectively 0.1 and 16% of the given dose, after 98 days of intake. The liver and the kidneys content reached a plateau between the 40 TH and the 56th days of the exposure period. There was no ^Tc in the muscle and the intestine.
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