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Multi-geometry241AmBe neutron irradiator: Design and calibration for total-body neutron activation analysis

  • Applications of Radioanalytical Methods in Biology and Medicine
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Abstract

Neutron activation analysis provides an accurate elemental assessment of body compositional compartments; the analytical technique identifies skeletal, muscle, protein, and fat masses. Our irradiator system uses 56241AmBe sources (4.4·107 n/s each) which can be arranged in four basic geometries to examine body sizes from a preterm infant (500 g, 30 cm) to a very large adult (120 kg, 2m). Both in vivo and human cadaver studies have been performed. Precisions of 1 to 2% for total body Ca, P, Na, and Cl have been obtained.

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Authors and Affiliations

  1. Department of Pediatrics, Baylor College of Medicine, USDA/ARS Children's Nutrition Research Center, 77030-2600, Houston, TX, USA

    K. J. Ellis & R. J. Shypailo

Authors
  1. K. J. Ellis
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  2. R. J. Shypailo
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Ellis, K.J., Shypailo, R.J. Multi-geometry241AmBe neutron irradiator: Design and calibration for total-body neutron activation analysis. Journal of Radioanalytical and Nuclear Chemistry, Articles 161, 51–60 (1992). https://doi.org/10.1007/BF02034879

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  • DOI: https://doi.org/10.1007/BF02034879

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