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AbstractAbstract
[en] In order to perform a detailed study of calcium metabolism, it is necessary to differentiate between intestinal absorption and its subsequent behaviour in terms of either uptake onto the bone or excretion. The measurement of calcium absorption involved two separate intakes of the tracer 47Ca. Each subject ingested a known activity. Measurements on blood samples were made after 5 hours and a smoothed curve describing the appearance of the activity in the plasma was determined. About 4 weeks after oral ingestion a known activity was injected into the subject and the procedure repeated. A curve describing the differential transfer of calcium from the intestine to the blood stream was derived by performing a deconvolution procedure on the two curves
Primary Subject
Source
Keam, D.W. (ed.); Australian Radiation Lab., Melbourne; 155 p; Jan 1983; p. 91-94
Record Type
Report
Literature Type
Progress Report
Report Number
Country of publication
ALKALINE EARTH METALS, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, BIOLOGICAL MATERIALS, BLOOD, BODY, BODY FLUIDS, CALCIUM ISOTOPES, CLEARANCE, DAYS LIVING RADIOISOTOPES, ELEMENTS, EVEN-ODD NUCLEI, INTAKE, INTERMEDIATE MASS NUCLEI, ISOTOPE APPLICATIONS, ISOTOPES, KINETICS, MATERIALS, METALS, NUCLEI, ORGANS, RADIOISOTOPES, UPTAKE
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