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  • Title: [Gamma radiation resistance of Bacillus anthracis spores].
    Author: Mizak L, Mierzejewski J.
    Journal: Med Dosw Mikrobiol; 2003; 55(4):315-23. PubMed ID: 15103990.
    Abstract:
    The aim of the presented study was determined the effectiveness of action the gamma radiation on water suspension B. anthracis spores. The irradiation was performed using a Cobalt 60 (Co 60) source, by using single and fractionary irradiation doses. In the investigations was used B. anthracis stain "Sterne" 34F2. The obtained results show, that gamma radiation effectively inactivates B. anthracis spores. On the efficiency of sterilization process influence the irradiation's method and the number of spores in 1 ml suspension. In the suspension 1.5 x 10(9) spore in 1 ml, sporicidal doses gamma radiation amount to 25.0 kGy (single dose) or 41.5 kGy (fractionary dose). The volume suspension about definite inoculum of spores, subjected working the gamma rays has not influence on sporicidal effectiveness of radiation sterilization.
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