Radium Isotope Accumulation in Animal Thyroids

Uranium and thorium daughters are ten times more concentrated in thyroids from some bovine animals than in the teeth of the same animals. These radioactive isotopes are believed to be from natural sources, but their resulting annual dosage of thyroid radiation has exceeded that from iodine-131 fallo...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1966-01, Vol.151 (3709), p.453-454
Main Authors: Van Middlesworth, L., Correa, Pelayo, Perkins, R. W., Keane, A. T.
Format: Article
Language:English
Subjects:
Animal glands
Animals
Cattle
Food Contamination, Radioactive
Gamma rays
Half lives
Radiation dosage
Radioactive decay
Radioisotopes - metabolism
Radiometry
Radionuclides
Radium
Radium - metabolism
Thorium
Thorium - metabolism
Thyroid Gland - metabolism
Tooth - metabolism
Ungulates
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Description
Summary:Uranium and thorium daughters are ten times more concentrated in thyroids from some bovine animals than in the teeth of the same animals. These radioactive isotopes are believed to be from natural sources, but their resulting annual dosage of thyroid radiation has exceeded that from iodine-131 fallout.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.151.3709.453