Natural Uranium Tissue Content of Three Caucasian Males

Health Physics
Ronald L Kathren, Sergei Y Tolmachev

Abstract

Uranium content and concentrations were measured in the tissues of three Caucasian male whole body donors to the U.S. Transuranium and Uranium Registries with no known intake other than from natural environmental sources. Average total body uranium content in the three cases was 81.3 ± 22.3 μg, of which 37.2 ± 2.1 μg (46%) was in the skeleton. The skeleton had a mean concentration of 3.79 ± 0.45 μg U kg(-1) wet weight and 11.72 ± 1.49 μg U kg(-1) ash. Distribution was in bone volume and not predominately on bone surfaces. Soft tissue concentrations ranged over about an order of magnitude, averaging about 0.5 μg kg wet weight for all tissues except the thoracic lymph nodes, which averaged 32.3 times the mean for soft tissue of the three cases. Observed thyroid tissue concentrations were about an order of magnitude greater than the average soft tissue concentration in two of the three background cases, suggestive of a possible long-term depot in this organ. Kidney content of uranium averaged 0.38 ± 0.21 μg for the three cases, an order of magnitude lower than the 7 μg recommended for Reference Man. The lower content and concentration in the kidney do not support a significant long-term depot for uranium in that organ. Assuming eq...Continue Reading

References

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Citations

Jul 26, 2018·Health Physics·John D BoiceElizabeth D Ellis
Oct 31, 2018·Journal of Toxicology and Environmental Health. Part a·Melissa A McDiarmidPatricia Gucer
Dec 5, 2018·International Journal of Radiation Biology·Richard W LeggettJohn D Boice
Mar 5, 2019·International Journal of Radiation Biology·John D Boice
Nov 27, 2018·Bulletin of Environmental Contamination and Toxicology·M S Al-MasriM A Al-Howary
Jan 18, 2019·International Journal of Radiation Biology·Ashley P GoldenJohn D Boice
Apr 19, 2021·Health Physics·Melissa A McDiarmidElizabeth Streeten

Related Concepts

Body Burden
Skeletal Bone
Environmental Exposure
Half-Life
Kidney
Plutonium
Radioactive Pollutants
Respiratory Tract Structure
Thyroid Gland
Drug or Chemical Tissue Distribution

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