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Bioaccumulation, inter-organ distribution, and retention of waterborne and dietary Am-241 in silver crucian carp [Text] / T. A. Zotina [et al.] // Toxicol Environ. Chem. - 2014. - Vol. 96, Is. 2. - P243-254, DOI 10.1080/02772248.2014.941368. - Cited References: 25 . - ISSN 0277-2248. - ISSN 1029-0486

РУБ Environmental Sciences + Toxicology
Рубрики:
YENISEI RIVER
   TELEOST FISH
   RADIONUCLIDES
   METALS
   AMERICIUM
   EXPOSURE
   ELEMENTS
   ASSIMILATION
   ELASMOBRANCH
   DEPURATION
Кл.слова (ненормированные):
Americium-241 -- assimilation -- Carassius auratus gibelio -- force-feeding
Аннотация: The bioaccumulation of actinide Am-241 from food and water in bodies of freshwater fish (Carassius auratus gibelio, silver crucian carp) has been investigated in laboratory experiments. Homogenized biomass of submerged macrophytes labeled with Am-241 was injected into the fish gullet. Internal organs and tissues of crucian carp could be ranked according to activity concentration of dietary Am-241 after depuration of the digestive tract as follows: liver > gonads > bones > muscles. Accumulation of waterborne Am-241 in internal organs and tissues of crucian carp mainly occurred via the digestive tract. While the concentration of Am-241 in liver of crucian carps decreased during depuration time, its concentration in bones increased indicating slower transfer of Am-241 to skeleton compared to muscles and liver. The retention of dietary Am-241 in the bodies of crucian carp reached 35%-46% of ingested Am-241: 20%-31% was retained in liver, 0.6%-0.8% in skeleton, and 1.4%-2.0% in muscles. The concentration factor of Am-241 from water was 0.4 for the whole body, 0.3 for liver, 0.01 for muscles, and 0.01 for skeleton. Trace amounts of Am-241 were recorded in viscera and muscles of a wild population of silver crucian carp inhabiting a radioactively contaminated part of the Yenisei River.

WOS,
Scopus
Держатели документа:
[Zotina, T. A.
Trofimova, E. A.
Dementyev, D. V.
Bolsunovsky, A. Y.] Inst Biophys SB RAS, Krasnoyarsk, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zotina, T.A.; Trofimova, E.A.; Dementyev, D.V.; Bolsunovsky, A.Y.

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Bioluminescent enzyme inhibition-based assay for the prediction of toxicity of pollutants in urban soils / E. M. Kolosova, O. S. Sutormin, L. V. Stepanova [et al.] // Environ. Technol. Innov. - 2021. - Vol. 24. - Ст. 101842, DOI 10.1016/j.eti.2021.101842. - Cited References:46. - This work was supported by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Region, Russia, and Krasnoyarsk Regional Foundation for Supporting Scientific and Technological Activities, Russia [grant number 18-47-240005] in the field of statistical analysis and interpretation of the data; and the work related to the sample collection was supported by the Ministry of Science and Higher Education of the Russian Federation [grant number FSRZ-2020-0006]. . - ISSN 2352-1864

РУБ Biotechnology & Applied Microbiology + Engineering, Environmental
Рубрики:
FLUORIDE
   BIOASSAYS
   POLLUTION
   METALS
   WATER
Кл.слова (ненормированные):
Urbostratozems -- Soil pollution -- Industrial contamination -- Bioassay -- Bioluminescence
Аннотация: There is a need for rapid simple and informative environmental assessment methods. The present investigation is aimed at assessing the possibility of using the combined enzyme system of luminescent bacteria: NAD(P)H:FMN-oxidoreductase + luciferase (Red + Luc) for predicting the potential toxicity of industrial urbostratozems sampled in the city of Krasnoyarsk. Three groups of urbostratozems polluted with fluorine, arsenic and lead, were tested by the methods of chemical analysis and enzymatic bioassay. Only the assessment of the arsenic-contaminated soil samples showed the dependence between the reduced activity of the enzyme system and the arsenic concentration variations. The results reveal that the sensitivity of the Red + Luc enzyme system to the soil pollutants depends on the properties of the studied soil samples. Moreover, the solubility of lead in the soil samples affects the accuracy of the enzymatic bioassays for soil toxicity testing. The results of the enzymatic bioassay of the fluoride-contaminated soil samples are ambiguous. The obtained data show the relevance of the sample preparation during integral bioassays. In addition, soil properties should be taken into account as well. The current study emphasizes the importance of conducting chemical and biological testing as a combined set to obtain comprehensive information about the anthropogenic load. (C) 2021 Elsevier B.V. All rights reserved.

WOS
Держатели документа:
Siberian Fed Univ, Dept Biophys, 79 Svobodny St, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Krasnoyarsk Agr Res Inst, Fed Res Ctr Krasnoyarsk Sci Ctr Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Aquat & Terr Ecosyst, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Photobiol Lab, Inst Biophys, Fed Res Ctr `Krasnoyarsk Sci Ctr Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Kolosova, Elizaveta M.; Sutormin, Oleg S.; Stepanova, L. V.; Shpedt, Aleksandr A.; Rimatskaya, N. V.; Sukovataya, Irina E.; Kratasyuk, Valentina A.; Russian Foundation for Basic Research, the Government of the Krasnoyarsk Region, Russia; Krasnoyarsk Regional Foundation for Supporting Scientific and Technological Activities, Russia [18-47-240005]; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]

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