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  • Title: [Dependence of the mutagenic effect of N-nitroso-N-methylbiuret on the pH index].
    Author: Zakharova GM, Bartoshevich IuE, Rapoport IA.
    Journal: Antibiotiki; 1976 Sep; 21(9):795-8. PubMed ID: 11741.
    Abstract:
    The mutagenic effect of nitrosocompounds is known to be dependent on pH. The effect of N-nitrozo-N-methylbiuret on the conidia of Penicillium chrysogenum was studied within the ranges of pH from 5.0 to 7.0, the role of the buffer and distilled water being also considered. It was found that survival, morphological variation and induction of biochemical mutants depended on the value of pH. The optimal conditions for the culture treatment at the exposures tested were provided at pH 6.0 with the use of a phosphate buffer mixture as a substrate.
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