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  • Title: The effect of ionizing radiations with different LET on survival and mutation in Chlorella.
    Author: Dubinin NP, Shevchenko VA, Rubanovich AV, Vekshina LK, Sakovich IS.
    Journal: Life Sci Space Res; 1975; 13():181-6. PubMed ID: 12180473.
    Abstract:
    The exposure of cells of Chlorella vulgaris LARG-I to radiations with a low LET (consisting of gamma-rays) yielded sigmoid dose-effect curves, whereas the action of radiations with a high LET (multiply charged ions of carbon C12(+6), boron B11(+2), neon Ne22(+4), argon Ar40(+8)) gave exponential curves. The rate of visible mutations depends directly on dose in the case of radiations with a low LET; it is a maximum after the action of radiations with a high LET. The highest RBE is shown by multiply charged ions of carbon (dE/dX 2850 MeV g-1 cm2). With dE/dX higher and lower than that of carbon ions the biological efficiency of radiations is less.
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