Polonium assimilation and retention in mule deer and pronghorn antelope
Technical Report
·
OSTI ID:5744190
Excretion kinetics and tissue distribution of polonium-210 in mule deer and pronghorn were studied. Each animal in a captive herd of 7 mule deer and 2 pronghorn received an intraruminal injection of 4.4 ..mu..Ci of polonium chloride. Feces and urine were collected periodically over a 43-day period and daily excretion rate for each pathway was regressed as a function of time. Assimilation fractions of 0.40 and 0.51 were calculated for mule deer (n=2) and 0.60 for a pronghorn. Body burden retention functions were calculated from integrated excretion rate functions. Polonium burdens in muscle, liver, and kidney were calculated as a fraction of body burden from serially-sacrificed animals. Background tissue burdens in mule deer were comparable to those of other ruminants reported in the literature. Hypothetical cases were assumed which combined feeding rate of mule deer, forage concentrations of polonium, retention function, tissue burden fraction, and human intake to estimate human radiation dose. 26 references.
- Research Organization:
- Colorado State Univ., Fort Collins (USA). Dept. of Radiology and Radiation Biology
- DOE Contract Number:
- AC02-79EV10305
- OSTI ID:
- 5744190
- Report Number(s):
- DOE/EV/10305-8; ON: DE84001802
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560172* -- Radiation Effects-- Nuclide Kinetics & Toxicology-- Animals-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ALPHA DECAY RADIOISOTOPES
ANIMALS
ANTELOPES
BIOLOGICAL PATHWAYS
BODY BURDEN
CLEARANCE
DATA
DAYS LIVING RADIOISOTOPES
DEER
DISTRIBUTION
DOSES
ENVIRONMENTAL EXPOSURE PATHWAY
EVEN-EVEN NUCLEI
EXCRETION
EXPERIMENTAL DATA
HEAVY NUCLEI
INFORMATION
INJECTION
INTAKE
ISOTOPES
MAMMALS
MAN
NUCLEI
NUMERICAL DATA
POLONIUM 210
POLONIUM ISOTOPES
PRIMATES
RADIATION DOSES
RADIOISOTOPES
RADIONUCLIDE KINETICS
RETENTION
RUMINANTS
TISSUE DISTRIBUTION
VERTEBRATES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ALPHA DECAY RADIOISOTOPES
ANIMALS
ANTELOPES
BIOLOGICAL PATHWAYS
BODY BURDEN
CLEARANCE
DATA
DAYS LIVING RADIOISOTOPES
DEER
DISTRIBUTION
DOSES
ENVIRONMENTAL EXPOSURE PATHWAY
EVEN-EVEN NUCLEI
EXCRETION
EXPERIMENTAL DATA
HEAVY NUCLEI
INFORMATION
INJECTION
INTAKE
ISOTOPES
MAMMALS
MAN
NUCLEI
NUMERICAL DATA
POLONIUM 210
POLONIUM ISOTOPES
PRIMATES
RADIATION DOSES
RADIOISOTOPES
RADIONUCLIDE KINETICS
RETENTION
RUMINANTS
TISSUE DISTRIBUTION
VERTEBRATES