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Constructing Slow-Release Fungicide Formulations Based on Poly(3-hydroxybutyrate) and Natural Materials as a Degradable Matrix / T. Volova [et al.] // J. Agric. Food Chem. - 2019. - Vol. 67, Is. 33. - P9220-9231, DOI 10.1021/acs.jafc.9b01634. - Cited References:52. - This study was financially supported by Project "Agro-preparations of the New Generation: A Strategy of Construction and Realization" (Agreement 074-02-2018-328) in accordance with Resolution 220 of the Government of the Russian Federation of April 9, 2010, "On Measures Designed To Attract Leading Scientists to the Russian Institutions of Higher Learning". . - ISSN 0021-8561. - ISSN 1520-5118

РУБ Agriculture, Multidisciplinary + Chemistry, Applied + Food Science &
Рубрики:
BIODEGRADABLE POLY-3-HYDROXYBUTYRATE
CHITOSAN NANOPARTICLES
Кл.слова (ненормированные):
poly(3-hydroxybutyrate) -- fungicides -- slow-release formulations -- antifungal activity -- degradation -- fungicide release
Аннотация: Slow-release fungicide formulations (azoxystrobin, epoxiconazole, and tebuconazole) shaped as pellets and granules in a matrix of biodegradable poly(3-hydroxybutyrate) and natural fillers (clay, wood flour, and peat) were constructed. Infrared spectroscopy showed no formation of chemical bonds between components in the experimental formulations. The formulations of pesticides had antifungal activity against Fusarium verticillioides in vitro. A study of biodegradation of the experimental fungicide formulations in the soil showed that the degradation process was mainly influenced by the type of formulation without significant influence of the type of filler. More active destruction of the granules led to a more rapid accumulation of fungicides in the soil. The content of fungicides present in the soil as a result of degradation of the formulations and fungicide release was determined by their solubility. Thus, all formulations are able to function in the soil for a long time, ensuring gradual and sustained delivery of fungicides.

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Scopus
Держатели документа:
Siberian Fed Univ, 79 Svobodnyi Ave, Krasnoyarsk 660041, Russia.
SB RAS, Inst Biophys, Fed Res Ctr Krasnoyarsk Sci Ctr SB RAS, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.
Mahatma Gandhi Univ, Int & Inter Univ Ctr Nanosci & Nanotechnol, Priyadarshini Hills, Kottayam 686560, Kerala, India.

Доп.точки доступа:
Volova, Tatiana; Prudnikova, Svetlana; Boyandin, Anatoly; Zhila, Natalia; Kiselev, Evgeniy; Shumilova, Anna; Baranovskiy, Sergey; Demidenko, Aleksey; Shishatskaya, Ekaterina; Thomas, Sabu; Project "Agro-preparations of the New Generation: A Strategy of Construction and Realization" [074-02-2018-328]; Resolution 220 of the Government of the Russian Federation of April 9, 2010, "On Measures Designed To Attract Leading Scientists to the Russian Institutions of Higher Learning"

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Constructing sustained-release herbicide formulations based on poly-3-hydroxybutyrate and natural materials as a degradable matrix / E. G. Kiselev, A. N. Boyandin, N. O. Zhila [et al.] // Pest Manag. Sci., DOI 10.1002/ps.5702. - Cited References:83. - This study was financially supported by the project 'Agropreparations of the new generation: a strategy of construction and realization' (Agreement No 074-02-2018-328) in accordance with Resolution No 220 of the Government of the Russian Federation of April 9, 2010, 'On measures designed to attract leading scientists to the Russian institutions of higher learning'. . - ISSN 1526-498X. - ISSN 1526-4998

РУБ Agronomy + Entomology
Рубрики:
SOIL MICROBIAL COMMUNITY
   FENOXAPROP-P-ETHYL
   SLOW-RELEASE
   METRIBUZIN
Кл.слова (ненормированные):
degradation in soil -- fenoxaprop-P-ethyl -- herbicide release -- metribuzin -- physicochemical properties -- tribenuron-methyl
Аннотация: BACKGROUND The purpose of the present study was to develop ecofriendly herbicide formulations. Its main aim was to develop and investigate slow-release formulations of herbicides (metribuzin, tribenuron-methyl, and fenoxaprop-P-ethyl) of different structure, solubility, and specificity, which were loaded into a degradable matrix of poly-3-hydroxybutyrate (P(3HB)) blended with available natural materials (peat, clay, and wood flour). RESULTS Differences in the structure and physicochemical properties of the formulations were studied depending on the type of the matrix. Herbicide release and accumulation in soil were associated with the solubility of the herbicide. Fourier-transform infrared spectroscopy showed that no chemical bonds were formed between the components in the experimental formulations. Degradation of the formulations in agro-transformed soil in laboratory conditions was chiefly influenced by the shape of the specimens (granules or pellets) while the effect of the type of filler (peat, clay, or wood flour) was insignificant. The use of granules enabled more rapid accumulation of the herbicides in soil: their peak concentrations were reached after 3 weeks of incubation while the concentrations of the herbicides released from the pellets were the highest after 5-7 weeks. Loading of the herbicides into the polymer matrix composed of the slowly degraded P(3HB) and natural materials enabled both sustained function of the formulations in soil (lasting between 1.5 and >= 3 months) and stable activity of the otherwise rapidly inactivated herbicides such as tribenuron-methyl and fenoxaprop-P-ethyl. CONCLUSION The experimental herbicide formulations enabled slow release of the active ingredients to soil. (c) 2019 Society of Chemical Industry

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Держатели документа:
Siberian Fed Univ, Sch Fundamental Biol & Biotechnol, Krasnoyarsk, Russia.
Inst Biophys SB RAS, Krasnoyarsk Sci Ctr SB RAS, Fed Res Ctr, Krasnoyarsk, Russia.
Mahatma Gandhi Univ, Int & Interuniv Ctr Nano Sci & Nano Technol, Kottayam, Kerala, India.

Доп.точки доступа:
Kiselev, Evgeniy G.; Boyandin, Anatoly N.; Zhila, Natalia O.; Prudnikova, Svetlana, V; Shumilova, Anna A.; Baranovskiy, Sergey, V; Shishatskaya, Ekaterina, I; Thomas, Sabu; Volova, Tatiana G.; Kiselev, Evgeniy; Boyandin, Anatoly; Government of the Russian Federation [074-02-2018-328, 220]

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Constructing sustained-release herbicide formulations based on poly-3-hydroxybutyrate and natural materials as a degradable matrix / E. G. Kiselev, A. N. Boyandin, N. O. Zhila [et al.] // Pest Manage. Sci. - 2019, DOI 10.1002/ps.5702 . - Article in press. - ISSN 1526-498X
Кл.слова (ненормированные):
degradation in soil -- fenoxaprop-P-ethyl -- herbicide release -- metribuzin -- physicochemical properties -- tribenuron-methyl
Аннотация: BACKGROUND: The purpose of the present study was to develop ecofriendly herbicide formulations. Its main aim was to develop and investigate slow-release formulations of herbicides (metribuzin, tribenuron-methyl, and fenoxaprop-P-ethyl) of different structure, solubility, and specificity, which were loaded into a degradable matrix of poly-3-hydroxybutyrate (P(3HB)) blended with available natural materials (peat, clay, and wood flour). RESULTS: Differences in the structure and physicochemical properties of the formulations were studied depending on the type of the matrix. Herbicide release and accumulation in soil were associated with the solubility of the herbicide. Fourier-transform infrared spectroscopy showed that no chemical bonds were formed between the components in the experimental formulations. Degradation of the formulations in agro-transformed soil in laboratory conditions was chiefly influenced by the shape of the specimens (granules or pellets) while the effect of the type of filler (peat, clay, or wood flour) was insignificant. The use of granules enabled more rapid accumulation of the herbicides in soil: their peak concentrations were reached after 3 weeks of incubation while the concentrations of the herbicides released from the pellets were the highest after 5–7 weeks. Loading of the herbicides into the polymer matrix composed of the slowly degraded P(3HB) and natural materials enabled both sustained function of the formulations in soil (lasting between 1.5 and ?3 months) and stable activity of the otherwise rapidly inactivated herbicides such as tribenuron-methyl and fenoxaprop-P-ethyl. CONCLUSION: The experimental herbicide formulations enabled slow release of the active ingredients to soil. © 2019 Society of Chemical Industry. © 2019 Society of Chemical Industry

Scopus
Держатели документа:
School of Fundamental Biology and Biotechnology, Siberian Federal University, Krasnoyarsk, Russian Federation
Federal Research Center “Krasnoyarsk Science Center SB RAS”, Institute of Biophysics SB RAS, Krasnoyarsk, Russian Federation
International and Interuniversity Centre for Nano Science and Nano Technology, Mahatma Gandhi University, Kottayam, Kerala, India

Доп.точки доступа:
Kiselev, E. G.; Boyandin, A. N.; Zhila, N. O.; Prudnikova, S. V.; Shumilova, A. A.; Baranovskiy, S. V.; Shishatskaya, E. I.; Thomas, S.; Volova, T. G.

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Toxicity and antioxidant activity of fullerenol c60,70 with low number of oxygen substituents / E. S. Kovel, A. G. Kicheeva, N. G. Vnukova [et al.] // Int. J. Mol. Sci. - 2021. - Vol. 22, Is. 12. - Ст. 6382, DOI 10.3390/ijms22126382 . - ISSN 1661-6596
Кл.слова (ненормированные):
Antioxidant activity -- Bioluminescent assay -- Fullerenol -- Hormesis -- Reactive oxygen species -- Toxicity
Аннотация: Fullerene is a nanosized carbon structure with potential drug delivery applications. We studied the bioeffects of a water-soluble fullerene derivative, fullerenol, with 10-12 oxygen groups (F10-12); its structure was characterized by IR and XPS spectroscopy. A bioluminescent enzyme system was used to study toxic and antioxidant effects of F10-12 at the enzymatic level. Antioxidant characteristics of F10-12 were revealed in model solutions of organic and inorganic oxidizers. Low-concentration activation of bioluminescence was validated statistically in oxidizer solutions. Toxic and antioxidant characteristics of F10-12 were compared to those of homologous fullerenols with a higher number of oxygen groups:F24-28 and F40-42. No simple dependency was found between the toxic/antioxidant characteristics and the number of oxygen groups on the fullerene’s carbon cage. Lower toxicity and higher antioxidant activity of F24-28 were identified and presumptively attributed to its higher solubility. An active role of reactive oxygen species (ROS) in the bioeffects of F10-12 was demonstrated. Correlations between toxic/antioxidant characteristics of F10-12 and ROS content were evaluated. Toxic and antioxidant effects were related to the decrease in ROS content in the enzyme solutions. Our results reveal a complexity of ROS effects in the enzymatic assay system. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, FRC KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Physics SB RAS, FRC KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
FRC KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Fundamental Biology and Biotechnology, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Kovel, E. S.; Kicheeva, A. G.; Vnukova, N. G.; Churilov, G. N.; Stepin, E. A.; Kudryasheva, N. S.

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Toxicity and Antioxidant Activity of Fullerenol C-60,C-70 with Low Number of Oxygen Substituents / E. S. Kovel, A. G. Kicheeva, N. G. Vnukova [et al.] // Int. J. Mol. Sci. - 2021. - Vol. 22, Is. 12. - Ст. 6382, DOI 10.3390/ijms22126382. - Cited References:93. - This research was funded by RFBR, N18-29-19003; RFBR, Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science, N20-44-243001; and partly supported by the Program of the Federal Service for Surveillance on Consumer Rights Protection and HumanWellbeing, Fundamental Study 2020-2025 (Russian Federation). . - ISSN 1422-0067

РУБ Biochemistry & Molecular Biology + Chemistry, Multidisciplinary
Рубрики:
HUMIC SUBSTANCES
DETOXIFICATION PROCESSES
BIOLOGICAL-ACTIVITY
Кл.слова (ненормированные):
fullerenol -- toxicity -- antioxidant activity -- reactive oxygen species -- bioluminescent assay -- hormesis
Аннотация: Fullerene is a nanosized carbon structure with potential drug delivery applications. We studied the bioeffects of a water-soluble fullerene derivative, fullerenol, with 10-12 oxygen groups (F10-12); its structure was characterized by IR and XPS spectroscopy. A bioluminescent enzyme system was used to study toxic and antioxidant effects of F10-12 at the enzymatic level. Antioxidant characteristics of F10-12 were revealed in model solutions of organic and inorganic oxidizers. Low-concentration activation of bioluminescence was validated statistically in oxidizer solutions. Toxic and antioxidant characteristics of F10-12 were compared to those of homologous fullerenols with a higher number of oxygen groups:F24-28 and F40-42. No simple dependency was found between the toxic/antioxidant characteristics and the number of oxygen groups on the fullerene's carbon cage. Lower toxicity and higher antioxidant activity of F24-28 were identified and presumptively attributed to its higher solubility. An active role of reactive oxygen species (ROS) in the bioeffects of F10-12 was demonstrated. Correlations between toxic/antioxidant characteristics of F10-12 and ROS content were evaluated. Toxic and antioxidant effects were related to the decrease in ROS content in the enzyme solutions. Our results reveal a complexity of ROS effects in the enzymatic assay system.

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Держатели документа:
FRC KSC SB RAS, Inst Biophys SB RAS, Krasnoyarsk 660036, Russia.
FRC KSC SB RAS, Inst Phys SB RAS, Krasnoyarsk 660036, Russia.
FRC KSC SB RAS, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Kovel, Ekaterina S.; Kicheeva, Arina G.; Vnukova, Natalia G.; Churilov, Grigory N.; Stepin, Evsei A.; Kudryasheva, Nadezhda S.; Kovel, Ekaterina; RFBRRussian Foundation for Basic Research (RFBR) [N18-29-19003]; RFBR, Krasnoyarsk Territory; Krasnoyarsk Regional Fund of Science [N20-44-243001]; Program of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing, Fundamental Study 2020-2025 (Russian Federation)

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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 . - ISSN 2352-1864
Кл.слова (ненормированные):
Bioassay -- Bioluminescence -- Industrial contamination -- Soil pollution -- Urbostratozems -- Arsenic -- Chemical analysis -- Enzyme activity -- Enzyme inhibition -- Fluorine compounds -- Soil surveys -- Soil testing -- Soils -- Toxicity -- Arsenic concentration -- Chemical and biologicals -- Comprehensive information -- Contaminated soils -- Environmental assessment methods -- Enzymatic bioassays -- Luminescent bacteria -- Sample preparation -- Soil pollution
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. © 2021 Elsevier B.V.

Scopus
Держатели документа:
Department of Biophysics, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Krasnoyarsk Agricultural Research Institute, Federal Research Center ‘Krasnoyarsk Science Center Siberian Branch of the Russian Academy of Sciences’, Krasnoyarsk, 660036, Russian Federation
Department of Aquatic and Terrestrial Ecosystems, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Photobiology Laboratory, Institute of Biophysics, Federal Research Center ‘Krasnoyarsk Science Center Siberian Branch of the Russian Academy of Sciences’, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Kolosova, E. M.; Sutormin, O. S.; Stepanova, L. V.; Shpedt, A. A.; Rimatskaya, N. V.; Sukovataya, I. E.; Kratasyuk, V. A.

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A study of the properties and efficacy of microparticles based on P(3HB) and P(3HB/3HV) loaded with herbicides / R. Vijayamma, H. J. Maria, S. Thomas [et al.] // J. Appl. Polym. Sci. - 2021, DOI 10.1002/app.51756 . - Article in press. - ISSN 0021-8995
Кл.слова (ненормированные):
biodegradable -- drug delivery systems -- microparticles -- Agricultural robots -- Controlled drug delivery -- Solubility -- Targeted drug delivery -- Weed control -- 3-Hydroxybutyrate -- Average diameter -- Biodegradable -- Drug-delivery systems -- Human impact -- Metribuzin -- Micro particles -- Poly-3-hydroxybutyrate -- Polyhydroxyalkanoates -- Property -- Herbicides
Аннотация: The wide use of pesticides in agriculture has caused uncontrolled distribution of these chemicals in the environment, calling for the development and investigation of new environmentally friendly formulations, which would reduce human impact on nature. In the present study, the metribuzin (MET), tribenuron-methyl (TBM), and fenoxaprop-P-ethyl (FPE) herbicides were encapsulated in microparticles of degradable microbial polymers – polyhydroxyalkanoates (PHAs) – of two types – poly-3-hydroxybutyrate [P(3HB)] and poly(3-hydroxybutyrate-co-3-hydroxyvalerate [P(3HB/3HV)]. The use of P(3HB) resulted in higher yields of microparticles (63% to 79%) and larger sizes of the particles, whose average diameter was 0.60 ± 0.06–0.75 ± 0.11 ?m, while the average diameter of copolymer particles varied between 0.43 ± 0.12 and 0.55 ± 0.05 ?m. Encapsulation efficiency was rather determined by the type of herbicide and its solubility, varying from 24.7% to 48.2%. In vitro herbicide release from microparticles to water was affected by herbicide solubility and PHA chemical composition. The readily soluble MET showed the highest release rate, and over 30 days, 64% and 78% of the encapsulated amounts were released from P(3HB) and P(3HB/3HV) microparticles, respectively. High herbicidal activity of microparticles loaded with metribuzin and tribenuron-methyl was demonstrated in the laboratory stands of the Elsholtzia ciliata weed plant. © 2021 Wiley Periodicals LLC.

Scopus
Держатели документа:
Institute of Fundamental Biology and Biotechnology, Siberian Federal University, Krasnoyarsk, Russian Federation
International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, India
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Krasnoyarsk, Russian Federation
Krasnoyarsk Regional Center of Research Equipment of Federal Research Center “Krasnoyarsk Science Center SB RAS”, Krasnoyarsk, Russian Federation
L.V. Kirensky Institute of Physics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Krasnoyarsk, Russian Federation
Scientific Laboratory, Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Vijayamma, R.; Maria, H. J.; Thomas, S.; Shishatskaya, E. I.; Kiselev, E. G.; Nemtsev, I. V.; Sukhanova, A. A.; Volova, T. G.

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A study of the properties and efficacy of microparticles based on P(3HB) and P(3HB/3HV) loaded with herbicides / R. Vijayamma, H. J. Maria, S. Thomas [et al.] // J. Appl. Polym. Sci. - 2021. - Ст. e51756, DOI 10.1002/app.51756. - Cited References:57. - This work was supported by Project "Agropreparations of the new generation: a strategy of construction and realization" (Agreement No 074-02-2018-328) in accordance with Resolution No 220 of the Government of the Russian Federation of April 9, 2010, "On measures designed to attract leading scientists to the Russian institutions of higher learning". Instruments of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center Krasnoyarsk Science Center SB RAS were used. . - Article in press. - ISSN 0021-8995. - ISSN 1097-4628

РУБ Polymer Science
Рубрики:
FENOXAPROP-P-ETHYL
CONTROLLED-RELEASE
BIODEGRADABLE
Кл.слова (ненормированные):
biodegradable -- drug delivery systems -- microparticles
Аннотация: The wide use of pesticides in agriculture has caused uncontrolled distribution of these chemicals in the environment, calling for the development and investigation of new environmentally friendly formulations, which would reduce human impact on nature. In the present study, the metribuzin (MET), tribenuron-methyl (TBM), and fenoxaprop-P-ethyl (FPE) herbicides were encapsulated in microparticles of degradable microbial polymers - polyhydroxyalkanoates (PHAs) - of two types - poly-3-hydroxybutyrate [P(3HB)] and poly(3-hydroxybutyrate-co-3-hydroxyvalerate [P(3HB/3HV)]. The use of P(3HB) resulted in higher yields of microparticles (63% to 79%) and larger sizes of the particles, whose average diameter was 0.60 +/- 0.06-0.75 +/- 0.11 mu m, while the average diameter of copolymer particles varied between 0.43 +/- 0.12 and 0.55 +/- 0.05 mu m. Encapsulation efficiency was rather determined by the type of herbicide and its solubility, varying from 24.7% to 48.2%. In vitro herbicide release from microparticles to water was affected by herbicide solubility and PHA chemical composition. The readily soluble MET showed the highest release rate, and over 30 days, 64% and 78% of the encapsulated amounts were released from P(3HB) and P(3HB/3HV) microparticles, respectively. High herbicidal activity of microparticles loaded with metribuzin and tribenuron-methyl was demonstrated in the laboratory stands of the Elsholtzia ciliata weed plant.

WOS
Держатели документа:
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Krasnoyarsk, Russia.
Mahatma Gandhi Univ, Int & Inter Univ Ctr Nanosci & Nanotechnol, Kottayam, Kerala, India.
RAS, Krasnoyarsk Sci Ctr SB, Fed Res Ctr, Inst Biophys SB, Krasnoyarsk, Russia.
RAS, Krasnoyarsk Sci Ctr SB, Res Equipment Fed Res Ctr, Krasnoyarsk Reg Ctr, Krasnoyarsk, Russia.
RAS, Krasnoyarsk Sci Ctr SB, Fed Res Ctr, LV Kirensky Inst Phys, Krasnoyarsk, Russia.
Reshetnev Siberian State Univ Sci & Technol, Sci Lab, Krasnoyarsk, Russia.

Доп.точки доступа:
Vijayamma, Raji; Maria, Hanna J.; Thomas, Sabu; Shishatskaya, Ekaterina I.; Kiselev, Evgeniy G.; Nemtsev, Ivan V.; Sukhanova, Anna A.; Volova, Tatiana G.; Project "Agropreparations of the new generation: a strategy of construction and realization" [074-02-2018-328]; Government of the Russian Federation [220]

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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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