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  • Journal
    Digital Access
    Provider
    Version
    PubMed Central
    v. 1-, 2015-
    LWW
    v. 1-, 2015-
    ScienceDirect
    v. 1-7, 2015-21.
  • Article
    Iliakis G, Pohlit W.
    Int J Radiat Biol Relat Stud Phys Chem Med. 1979 Dec;36(6):649-58.
    Stationary cultures of Ehrlich ascites tumour cells have been irradiated with X-rays and then immediately or after a time interval trep plated to measure the survival. The increase in survival observed after delayed plating is interpreted as repair of potentially lethal damage. A cybernetic model is used to analyse these data. Three states of damage are assumed for the cells. In state A the cells can grow to macrocolonies, in state B the cells have suffered potentially lethal damage and can grow to macrocolonies only if they are allowed to repair the damage and in state C the cells are lethally damaged. A method of deriving the values of the parameters of the model from the experimental data is given. The dependence of the reaction rate constant of the repair of potentially lethal damage on the dose D is used to derive a possible mechanism for the production of the shoulder in the dose effect curve. Finally this model is compared with other models of radiation action on living cells.
    Digital Access Access Options