Influence of the soft X-ray plasma focus radiation on live microorganisms

被引：5
|
作者：
Zapryanov, S. [1 ]
Goltsev, V. [2 ]
Galutsov, B. [2 ]
Gelev, M. [3 ]
Blagoev, A. [1 ]
机构：
[1] Univ Sofia, Fac Phys, Sofia 1164, Bulgaria
[2] Univ Sofia, Fac Biol, Sofia 1421, Bulgaria
[3] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BU-1784 Sofia, Bulgaria
来源：
EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS | 2012年 / 58卷 / 01期
关键词：
Enzyme activity - Yeast - Microorganisms - Radiation effects - Plasma devices - Plasma applications;
D O I：
10.1051/epjap/2012110322
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A 3 kJ plasma focus device was used to study the influence of the soft X-ray on live microorganisms. When Saccharomyces cerevisiae - (yeast) was treated with a dose of 65 mSv of the X-ray radiation (14 shots), no difference in the fertility activity between the control probe and the sample was observed. Also no change in the survival enzyme activity was found after irradiation through a 100 mu m Al foil of another type of yeast - Kluyveromyces marxiamus. The irradiation of the Chlamydomonas reinhardtii samples by the PF-X-ray emission through 20 mu m Al foil with a dose of 11 mSv produces a considerable change of the photosynthesis parameters. This result is similar to the results of previous studies with plasma focus radiation where strong effects were derived with low doses but with a high dose power.
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页数：5
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