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Title: Biokinetic data and models for occupational intake of lanthanoids

The lanthanoid (or lanthanide) chemical elements comprise fifteen elements with atomic numbers 57 (lanthanum) through 71 (lutetium). This paper reviews data related to the biological behavior of these elements in the human body and proposes biokinetic models for application to occupational intake of radio-lanthanoids. Generic (element-independent) absorption rates from the respiratory and alimentary tracts to blood are proposed. The proposed systemic models are largely generic but include some element-specific parameter values to reflect regular changes with ionic radius in certain aspects of the behavior of the lanthanoids. This work was performed within the internal dosimetry task group (INDOS) of Committee 2 of the International Commission on Radiological Protection (ICRP).
Authors:
 [1] ;  [2] ;  [3] ;  [3] ;  [4] ;  [5]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Atomic Energy Commission and Alternative Energies (France)
  3. Health Protection Agency of Great Britain, Didcot (United Kingdom)
  4. Intitute for Radiological Protection (IRSN), France
  5. Univ. of Cambridge (United Kingdom)
Publication Date:
OSTI Identifier:
1213982
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
International Journal of Radiation Biology
Additional Journal Information:
Journal Volume: 90; Journal Issue: 11; Journal ID: ISSN 0955-3002
Publisher:
Taylor and Francis
Research Org:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY lanthanoids; lanthanides; biokinetics; models; radiation protection; occupational exposure