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At Dalat nuclear research reactor, the gamma - gamma coincidence method is eficiently used in data nuclear research direction. By this method, some laboratories in the world test neutron activation analysis of geological, biological and environmental samples. In this paper, we present the determination of the selenium content in biological sample by gamma – gamma coincidence method. The results showed that the compton scattering was suppressed. The ratio of peak counts/back was improved up to 64.2 times. The detection limit for selenium in biological sample was enhanced to 8.9 times to compare to the method one detector system.

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Issue: Vol 19 No 4 (2016)
Page No.: 154-161
Published: Dec 31, 2016
Section: Natural Sciences - Research article

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Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 How to Cite
Truong, M., Pham, K., Nguyen, H., Nguyen, S., & Nguyen, C. (2016). Determination of the selenium content in biological samples by gamma - gamma coincidence method. Science and Technology Development Journal, 19(4), 154-161.

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