Iodine-129 in Thyroid Glands: A Sensitive Biological Marker of Fission Product Exposure

L. Vanmiddlesworth; J. Handle; P. Johns

doi:10.1023/a:1016042618335

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 243: Issue 2

Iodine-129 in Thyroid Glands: A Sensitive Biological Marker of Fission Product Exposure

Authors:

L. Vanmiddlesworth

L. Vanmiddlesworth University of Tennessee Physiology & Biophysics Memphis Tennessee USA

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J. Handle

J. Handle University of Hannover Strahlenschutz und Radiooekologie Hannover Germany

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P. Johns

P. Johns University of Georgia Savannah River Ecology Lab. Aiken South Carolina USA

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Pages:: 467–472

Online Publication Date:: 02 Nov 2004

Publication Date:: 17 Feb 2000

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1016042618335

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Abstract

Iodine-129 may have no radiation hazard but it is a useful marker. Animal thyroids concentrate the isotope to 4 orders of magnitude greater than the intake. This results in a potential biological and physical indicator of radioiodine contamination. Since 1943, ¹²⁹I/¹²⁷I ratio in animal thyroids from the Northern Hemisphere has increased 2 to 5 orders of magnitude. Since 1985, thyroids of deer living near a nuclear reprocessing facility have contained ¹²⁹I, which are 3 to 7 orders of magnitude greater than pre-nuclear levels. Limited measurements of ¹²⁹I in thyroids from the Southern Hemisphere have shown little increase. An appendix is presented to show that ¹²⁹I, may be helpful to evaluate past radiation hazard from fission products.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)