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Gómez-Ros, J.M.* ; Pröhl, G. ; Ulanowski, A. ; Lis, M.*

Uncertainties of internal dose assessment for animals and plants due to non-homogeneously distributed radionuclides.

J. Environ. Radioact. 99, 1449-1455 (2008)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
The dose conversion coefficients (DCCs) for the assessment of internal absorbed dose rate in reference animals and plants have been generally calculated assuming a homogeneous distribution of radionuclides within the body. Realistic scenarios of internal exposure must account for some radionuclides which tend to concentrate in specific organs or tissues. To study the effect of such inhomogeneous distributions, internal DCCs have been calculated assuming both a central and an eccentric point source. The analysis of the results showed that uncertainties of the whole body DCC due to non-homogeneous radionuclide distribution are less than 30% for photons and electrons for all considered organisms. For electrons, the uncertainties are negligible below certain energies, dependent on the size of the organisms. Additionally, the organ doses due to the accumulation of the radionuclide in an organ are also described and organ/whole body doses ratios are estimated.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Internal exposure; Dose conversion coefficients; Reference organisms; Non-homogeneous activity distribution
Sprache englisch
Veröffentlichungsjahr 2008
HGF-Berichtsjahr 2008
ISSN (print) / ISBN 0265-931X
e-ISSN 0265-931X
Zeitschrift Journal of Environmental Radioactivity
Quellenangaben Band: 99, Heft: 9, Seiten: 1449-1455 Artikelnummer: , Supplement: ,
Verlag Elsevier
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Radiation Protection (ISS)
POF Topic(s) 30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Forschungsfeld(er) Radiation Sciences
PSP-Element(e) G-501100-005
DOI 10.1016/j.jenvrad.2008.01.005
Scopus ID 42149087100
Erfassungsdatum 2008-09-11
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