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[Biological effectiveness of pulsed and continuous neutron radiation for Saccharomyces yeast cells]
T S Tsyb1, E V Komarova, V I Potetnia
1Medical Radiological Research Center, Russian Academy of Sciences, Obninsk, 249020 Russia.
Abstract:
The article presents the data on biological effectiveness of neutrons generated by the pulsed reactor BARS-6 (dose-rate up to 6 x 10(6) Gy/s) in comparison with fast neutrons of the reactor BR-10 (dose-rate 6.3 x 10(-2) Gy/s). It was shown for yeast cells of a wild type that the RBE values of pulsed neutrons varied insignificantly with a dose (2.0-1.7) white for continuous neutron irradiation clear RBE dependence on the dose was observed. It was also found that the yeast cells had identical capability of postirradiation recovery in non-nutrient medium (LHR) following both gamma-irradiation and neutron exposure irrespective of neutron dose-rate.
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