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Effect of heavy ions on bacterial spores
T Takahashi1, F Yatagai, S Kitayama
1The Institute of Physical and Chemical Research, Wako-shi, Japan.
Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|January 1, 1983
Abstract:
Inactivation of B. subtilis spores has been studied using accelerated He, C, N, O and Ne ions. The energy dependence of the inactivation cross sections for heavy ions was very weak and the mean cross sections for carbon ions (0.6-4.7 MeV/amu), nitrogen ions (0.6-4.1 MeV/amu), oxygen ions (0.8-1.1 MeV/amu), and neon ions (2.2-3.7 MeV/amu) were found to be about 0.22, 0.23, 0.26, and 0.33 micrometer2 , respectively. Analysis was carried out along lines similar to Katz's target theory but the parameters were chosen so that they have an experimental basis.