Use of /sup 48/Ca as a stable isotope tracer analyzed by proton activation
Journal Article
·
· Med. Phys.; (United States)
OSTI ID:7321237
The use of the stable isotope /sup 48/Ca as a tracer in biological systems has been studied. Determination of /sup 48/Ca concentrations in samples was accomplished by proton activation via the (p,n) reaction with subsequent measurement of ..gamma..-ray spectra from 44-h /sup 48/Sc and 4-h /sup 44/Sc. With protons of about 5.5 MeV and a Ge(Li) ..gamma..-ray detector, and with no chemical processing of the samples, ratios of these two radioisotopes can be determined with sufficient precision to allow /sup 48/Ca tracer studies to be performed with sensitivity at least equivalent to that possible with the common /sup 45/Ca radioactive tracer. (AIP)
- Research Organization:
- Nuclear Physics Laboratory, Department of Physics and Astrophysics, University of Colorado, Boulder, Colorado 80309
- OSTI ID:
- 7321237
- Journal Information:
- Med. Phys.; (United States), Journal Name: Med. Phys.; (United States) Vol. 4:1; ISSN MPHYA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550201* -- Biochemistry-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
ALKALINE EARTH ISOTOPES
BARYON REACTIONS
CALCIUM 48
CALCIUM ISOTOPES
CHARGE-EXCHANGE REACTIONS
CHARGED-PARTICLE REACTIONS
DIAGNOSTIC TECHNIQUES
ENERGY RANGE
EVEN-EVEN NUCLEI
GAMMA SPECTRA
HADRON REACTIONS
INTERMEDIATE MASS NUCLEI
ISOTOPE APPLICATIONS
ISOTOPES
MEV RANGE
MEV RANGE 01-10
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
PROTON REACTIONS
RADIOACTIVATION
SPECTRA
STABLE ISOTOPES
TRACER TECHNIQUES
59 BASIC BIOLOGICAL SCIENCES
ALKALINE EARTH ISOTOPES
BARYON REACTIONS
CALCIUM 48
CALCIUM ISOTOPES
CHARGE-EXCHANGE REACTIONS
CHARGED-PARTICLE REACTIONS
DIAGNOSTIC TECHNIQUES
ENERGY RANGE
EVEN-EVEN NUCLEI
GAMMA SPECTRA
HADRON REACTIONS
INTERMEDIATE MASS NUCLEI
ISOTOPE APPLICATIONS
ISOTOPES
MEV RANGE
MEV RANGE 01-10
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
PROTON REACTIONS
RADIOACTIVATION
SPECTRA
STABLE ISOTOPES
TRACER TECHNIQUES