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полныйинформационныйкраткий
Поисковый запрос: (<.>S=QUINONES<.>)
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    Effect of low-level alpha-radiation on bioluminescent assay systems of various complexity [Text] / T. V. Rozhko [et al.] // Photochem. Photobiol. Sci. - 2007. - Vol. 6, Is. 1. - P67-70, DOI 10.1039/b614162p. - Cited References: 52 . - 4. - ISSN 1474-905X
РУБ Biochemistry & Molecular Biology + Biophysics + Chemistry, Physical
Рубрики:
LOW-DOSE RADIATION
   IRRADIATION

   TOXICITY

   QUINONES

   HORMESIS

   PHENOLS

Аннотация: This study addresses the effects of low-level alpha-radiation on bioluminescent assay systems of different levels of organization: in vivo and in vitro. Three bioluminescent assay systems are used: intact bacteria, lyophilized bacteria, and bioluminescent system of coupled enzyme reactions. Solutions of Am-241(NO3)(3) are used as a source of alpha-radiation. It has been shown that activation processes predominate in all the three bioluminescent assay systems subjected to short-term exposure (20-55 h) and inhibition processes in the systems subjected to longer-term exposure to radiation. It has been found that these effects are caused by the radiation component of Am-241(3+) impact. The intensity of the Am-241(3+) effect on the bioluminescent assay systems has been shown to depend on the Am-241(3+) concentration, level of organization and integrity of the bioluminescent assay system. The bioluminescent assay systems in vivo have been found to be highly sensitive to Am-241(3+) (up to 10(-17) M).

Держатели документа:
SB RAS, Inst Biophys, Krasnoyarsk 660036, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Rozhko, T.V.; Kudryasheva, N.S.; Kuznetsov, A.M.; Vydryakova, G.A.; Bondareva, L.G.; Bolsunovsky, A.Y.

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