Nuclear Physics and Atomic Energy


Nuclear Physics and Atomic Energy

  ISSN: 1818-331X (Print), 2074-0565 (Online)
  Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine
  Languages: Ukrainian, English
  Periodicity: 4 times per year

  Open access peer reviewed journal


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Nucl. Phys. At. Energy 2021, volume 22, issue 2, pages 167-173.
Section: Radiobiology and Radioecology.
Received: 14.05.2021; Accepted: 19.07.2021; Published online: 10.09.2021.
PDF Full text (ua)
https://doi.org/10.15407/jnpae2021.02.167

"Dose effect" calibration dependence by frequency of unstable chromosomic exchanges in human lymphocytes in acute gamma irradiation by 137s in low doses for biological dosimetry

V. A. Kurochkina*, L. K. Bezdrobna, T. V. Tsyganok, I. A. Khomych

Institute for Nuclear Research, National Academy of Sciences of Ukraine, Kyiv, Ukraine

*Corresponding author. E-mail address: knitel@ukr.net

Abstract: The calibration dependence of dicentrics and rings chromosomes with an accompanying fragment induction in human lymphocytes by in vitro 137s acute gamma irradiation of blood in the dose range of 0.09 - 1.0 Gy is presented. The application of the obtained calibration curve for estimation of biological doses for overexposed 9 persons from the contract staff of the Chornobyl SSE is shown. Their doses calculated by the frequency of dicentrics and centric rings with consideration of operation duration and mode in the zone of influence of the radiation factor, significantly exceeded the doses determined by the methods of physical dosimetry.

Keywords: 137s, gamma irradiation, human blood lymphocytes, dicentrics and centric rings, calibration curve, biological dosimetry.

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