TITLE

Prompt-gamma neutron activation analysis facility for in vivo body composition studies in small animals

AUTHOR(S)
Stamatelatos, I. E.; Kasviki, K.; Green, S.; Gainey, M.; Kalef-Ezra, J.; Beddoe, A.
PUB. DATE
May 2004
SOURCE
Analytical & Bioanalytical Chemistry;May2004, Vol. 379 Issue 2, p192
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The design, calibration, dosimetry and performance evaluation of a prompt-gamma neutron activation analysis facility for in vivo body composition studies in small animals (i.e. rats or rabbits) is discussed. The system design was guided by Monte Carlo transport calculations using MCNP-4C code. A system was built and performance evaluation was made using a 185-GBq Pu-Be neutron source. Prompt-gamma rays produced by neutron capture reactions were detected by a combination of a NaI(Tl) scintillation and a HPGe semiconductor detectors. Nitrogen and chlorine were quantified by analysis of the 10.83-MeV and 6.11-MeV peaks, respectively. Appropriate corrections for the animal body size were determined. The facility described allows the in vivo determination of protein and extracellular space in sets of experimental animals.
ACCESSION #
15125077

 

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