The use of an in vitro technique to predict the absorption of dietary radiocaesium by sheep

Beresford, N.A.; Barnett, C.L. ORCID: https://orcid.org/0000-0001-9723-7247; Mayes, R.W.; Pollaris, K.; Vandecasteele, C.M.; Howard, B.J. ORCID: https://orcid.org/0000-0002-9698-9524. 1995 The use of an in vitro technique to predict the absorption of dietary radiocaesium by sheep. Radiation and Environmental Biophysics, 34 (3). 191-194. 10.1007/BF01211547

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Abstract/Summary

The validity of an in vitro extraction technique to predict the availability for absorption of radiocaesium in the sheep gut has been assessed. The technique (a 2-h extraction with caesium chloride) was found to be valid for sources with a low availability for transfer across the gut, but inappropriate for ionic radiocaesium or radiocaesium incorporated internally within herbage. For such radiocaesium sources, which have a high in vitro availability, no correlation was found between in vitro extraction and true absorption measurements. A true absorption value of 0.80 is recommended for these sources, although values for individual sheep in the range 0.60 to 1.00 should be expected.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1007/BF01211547
Programmes:	CEH Programmes pre-2009 publications > Other
UKCEH and CEH Sections/Science Areas:	_ Pre-2000 sections
ISSN:	0301-634X
Additional Keywords:	radioecology
NORA Subject Terms:	Ecology and Environment
Date made live:	12 Jun 2012 09:05 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/17819

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