Fast neutron radiation inactivation of Bacillus subtilis: Absorbed dose determination

LOW ENERGY ACCELERATOR AND RADIATION APPLICATIONS

Fast neutron radiation inactivation of Bacillus subtilis: Absorbed dose determination

SONG Lingli，

ZHENG Chun，

AI Zihui，

LI Junjie，

DAI Shaofeng

Nuclear Science and Techniques

Vol.22, No.3

pp.156-159

Published in print 20 Jun 2011

DOI：10.13538/j.1001-8042/nst.22.156-159

29300

In this paper, fast neutron inactivation effects of Bacillus subtilis were investigated with fission fast neutrons from CFBR-II reactor of INPC (Institute of Nuclear Physics and Chemistry) and mono-energetic neutrons from the Van de Graaff accelerator at Peking University. The method for determining the absorbed dose in the Bacillus subtilis suspension contained in test tubes is introduced. The absorbed dose, on account of its dependence on the volume and the form of confined state, was determined by combined experiments and Monte Carlo method. Using the calculation results of absorbed dose, the fast neutron inactivation effects on Bacillus subtilis were studied. The survival rates and absorbed dose curve was constructed.

Fast neutronInactivationBacillus SubtilisAbsorbed dose

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