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1.


   
    A heuristic neural network model in the research of properties of evolutionary trajectories / S. Bartsev, P. Baturina // IOP Conference Series: Materials Science and Engineering : Institute of Physics Publishing, 2019. - Vol. 537: International Workshop on Advanced Technologies in Material Science, Mechanical and Automation Engineering - MIP: Engineering-2019 (4 April 2019 through 6 April 2019, ) Conference code: 149243, Is. 4, DOI 10.1088/1757-899X/537/4/042001
Кл.слова (ненормированные):
Molecular biology -- Artificial networks -- Common property -- Evolving systems -- Fitness functions -- Heuristic model -- Molecular evolution -- Neural network model -- Trajectory formation -- Heuristic methods
Аннотация: There is considerable data on molecular evolution, but there remains no approach to systematizing them within the framework of the key problems of biology. To search for the most common properties of evolving systems, the heuristic method has been proposed. Artificial networks of formal neurons were chosen as the heuristic model object. The paper examines the divergent component of evolutionary trajectory formation. As a result of the simulation, the dependence of the potential variability parameter on the position of the fitness function landscape was obtained. The simulation results are in agreement with the real data of molecular evolution experiments. © Published under licence by IOP Publishing Ltd.

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Держатели документа:
Institute of Biophysics SB RAS, Federal Research Center, Krasnoyarsk Scientific Center SB RAS, 50, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Bartsev, S.; Baturina, P.

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2.


   
    Neural networks playing 'matching pennies' with each other: Reproducibility of game dynamics / T. Dolgova, S. Bartsev // IOP Conference Series: Materials Science and Engineering : Institute of Physics Publishing, 2019. - Vol. 537: International Workshop on Advanced Technologies in Material Science, Mechanical and Automation Engineering - MIP: Engineering-2019 (4 April 2019 through 6 April 2019, ) Conference code: 149243, Is. 4, DOI 10.1088/1757-899X/537/4/042002
Кл.слова (ненормированные):
Condensed matter physics -- Engineering -- Industrial engineering -- Materials science -- Cognitive functions -- Dynamic patterns -- Essential features -- Meta strategies -- Neural correlates of consciousness -- Neuron excitation -- Qualitative differences -- Reproducibilities -- Recurrent neural networks
Аннотация: Reflection is an essential feature of consciousness and possibly the single most important one. This fact allows us to simplify the objective of the concept of 'neural correlates of consciousness' and to focus investigations on reflection itself. Reflexive games are the concentrated and pure embodiment of reflection manifestation without the addition of other higher cognitive functions. In this paper, we use the game 'matching pennies' ("Odd-Even") in order to trace the strategies and possible patterns of recurrent neural network operation. Experimental results show the splitting of all considered game patterns into two groups. A significant difference was observed in these groups of patterns, indicating a qualitative difference in game dynamics apparently due to the qualitatively different dynamic patterns of neuron excitations of the networks. A similar splitting of all players into two groups was found by other authors for human players, which differ in terms of the reflection availability. By this, we can assume that one of the causes of the splitting is that the presence of reflection in a particular group of recurrent neural networks dramatically changes the game meta-strategy. © Published under licence by IOP Publishing Ltd.

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Держатели документа:
Siberian Federal University, 2 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center, Krasnoyarsk Scientific Center SB RAS, 50, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Dolgova, T.; Bartsev, S.

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3.


   
    Processing of sanitary and household waste in biotechnical life support systems / S. V. Trifonov, Ye. A. Morozov, A. A. Tikhomirov // IOP Conference Series: Materials Science and Engineering : Institute of Physics Publishing, 2019. - Vol. 537: International Workshop on Advanced Technologies in Material Science, Mechanical and Automation Engineering - MIP: Engineering-2019 (4 April 2019 through 6 April 2019, ) Conference code: 149243, Is. 6, DOI 10.1088/1757-899X/537/6/062091
Кл.слова (ненормированные):
Electric fields -- Fertilizers -- Wastes -- Alternating current -- Cotton wastes -- Household waste -- Kitchen wastewaters -- Mineral element -- Mineral fertilizers -- Organic wastes -- Universal method -- Minerals
Аннотация: In order to establish material loops in biotechnical life support systems (BTLSS), various types of organic waste generated within the system need to be effectively processed. A universal method should be developed to produce mineral fertilizers for the higher-plant compartment of the BTLSS regardless of the level of reduction of the organic compounds contained in the waste and the contents of mineral elements in it. A method of producing mineral fertilizers by organic waste oxidation in the hydrogen peroxide aqueous solution under application of an alternating current electric field is proposed as a possible approach. Methods of processing of human wastes and inedible plant biomass were discussed in previous studies. The present study demonstrates the approach to processing cotton waste and kitchen wastewater. The study describes processing of such wastes by using a supplementary oxidizer (nitric acid) and co-oxidation with other types of organic waste typically generated in the BTLSS. Recommendations are offered on using these approaches to process sanitary/household waste in the BTLSS. © 2019 IOP Publishing Ltd. All rights reserved.

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Держатели документа:
Institute of Biophysics, SB RAS, Federal Research Center, Krasnoyarsk Science Center SB RAS, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarskiy Rabochiy pr., Krasnoyarsk, 660037, Russian Federation

Доп.точки доступа:
Trifonov, S. V.; Morozov, Ye. A.; Tikhomirov, A. A.

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4.


   
    Converting gaseous pollutants toxic to plants and humans into environmentally friendly compounds in artificial ecosystems / A. A. Tikhomirov [et al.] // IOP Conference Series: Materials Science and Engineering : Institute of Physics Publishing, 2018. - Vol. 450: 9th International Multidisciplinary Scientific and Research Conference on Modern Issues in Science and Technology Workshop in Advanced Technologies in Aerospace, Mechanical and Automation Engineering, MISTAerospace 2018 (20 October 2018 through 28 October 2018, ) Conference code: 143027, Is. 6, DOI 10.1088/1757-899X/450/6/062004
Кл.слова (ненормированные):
Ecosystems -- Environmental management -- Fog -- Artificial ecosystems -- Experimental conditions -- Gaseous pollutants -- Human waste -- Liquid products -- Plant growth -- Toxic effect -- Wheat plants -- Pollution
Аннотация: The present study describes detection of potential gaseous pollutants that can produce a toxic effect on plants and humans in the system with wheat plants cultivated on solutions containing liquid products of mineralization of human waste and fish waste. These gaseous pollutants do not inhibit plant growth and development under the experimental conditions, but they may accumulate in closed ecosystems functioning for extended periods of time. Ways to convert gaseous pollutants into environmentally friendly compounds have been proposed. © 2018 Institute of Physics Publishing. All rights reserved.

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Держатели документа:
Institute of Biophysics SB RAS, Federal Research Center, Krasnoyarsk Science Center SB RAS, Krasnoyarsk, Akademgorodok, 660036, Russian Federation

Доп.точки доступа:
Tikhomirov, A. A.; Ushakova, S. A.; Tikhomirova, N. A.; Trifonov, S. V.; Kalacheva, G. S.

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5.


   
    An elementary multistage discrete model of soil organic matter transformations with a continuous scale of stability / S. I. Bartsev, A. A. Pochekutov // Ecol. Model. - 2019. - Vol. 393. - P61-65, DOI 10.1016/j.ecolmodel.2018.12.012 . - ISSN 0304-3800
Кл.слова (ненормированные):
Kinetics of soil organic matter transformations -- Model of soil organic matter transformations -- Soil organic matter -- Biogeochemistry -- Biological materials -- Decay (organic) -- Organic compounds -- Soils -- Continuous scale -- Discrete modeling -- Elementary model -- Law of mass action -- Multistage process -- Realistic model -- Soil organic matters -- Transformation process -- Mathematical transformations -- biotransformation -- chemical alteration -- decomposition -- numerical model -- reaction kinetics -- soil organic matter
Аннотация: The proposed elementary mathematical model of formation and decomposition of soil organic matter (SOM) is based on using equations of chemical kinetics to describe the multistage process of SOM transformation. The model both describes each step of transformation in accordance with the law of mass action and postulates the trend of increasing stability of the matter towards further transformation, which is common for all steps. Analysis of the model demonstrates that it is extremely difficult to construct a realistic model of SOM dynamics by assembling elementary models of the type presented in this study into the full description of SOM transformation processes. © 2018 Elsevier B.V.

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Держатели документа:
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Krasnoyarsk, Russian Federation
Institute of Fundamental Biology and Biotechnology of Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Bartsev, S. I.; Pochekutov, A. A.

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6.


   
    Low-temperature argon and ammonia plasma treatment of poly-3-hydroxybutyrate films: Surface topography and chemistry changes affect fibroblast cells in vitro / R. A. Surmenev [et al.] // Eur Polym J. - 2019. - Vol. 112. - P137-145, DOI 10.1016/j.eurpolymj.2018.12.040 . - ISSN 0014-3057
Кл.слова (ненормированные):
Cell adhesion -- Dielectric barrier discharge -- Plasma treatment -- Surface etching -- Wetting behaviour -- Ammonia -- Argon -- Cell adhesion -- Cell culture -- Chemical modification -- Contact angle -- Dielectric materials -- Electric discharges -- Fibroblasts -- Mammals -- Nitrogen plasma -- Plasma applications -- Surface roughness -- Surface treatment -- Temperature -- Topography -- Ammonia plasma treatment -- Dielectric barrier discharges -- Different proportions -- Plasma treatment -- Poly-3-hydroxybutyrate -- Poly3-hydroxybutyrate (PHB) -- Surface etching -- Wetting behaviour -- Wetting
Аннотация: Poly-3-hydroxybutyrate (PHB) films were plasma-treated using pure NH3, pure Ar or mixtures of the two different proportions (20%, 30%, 40%, 50%, 70% NH3 in Ar). Surface chemistry and surface topography changes of PHB films were observed after plasma processing in all plasma regimes. The XPS results confirmed the absence of chemical modification in the case of pure Ar plasma treatment. Nitrogen-containing groups (e.g., N–C[dbnd]O) were detected on the surfaces of P3HB films treated with NH3-containing plasma. The surfaces of the untreated P3HB films were hydrophobic, and plasma treatment turned the surfaces hydrophilic, irrespective of the treatment. A significant decrease in the contact angle and an increase in the free surface energy were observed. An insignificant surface ageing effect was observed when P3HB samples were exposed to air for 10 days. In NIH 3T3 mice fibroblast cells, cell adhesion was significantly improved after plasma treatment in an Ar atmosphere, which is likely related to the fact that there was a surface ? potential of 88.6 mV at neutral pH, causing a cleavage of the polymer chains and an increase in surface roughness. © 2018 Elsevier Ltd

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Держатели документа:
Physical Materials Science and Composite Materials Centre, National Research Tomsk Polytechnic University, Tomsk, 634050, Russian Federation
Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Stuttgart, 70569, Germany
Synchrotron Radiation Facility ANKA, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
School of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Surmenev, R. A.; Chernozem, R. V.; Syromotina, D. S.; Oehr, C.; Baumbach, T.; Krause, B.; Boyandin, A. N.; Dvoinina, L. M.; Volova, T. G.; Surmeneva, M. A.

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7.


   
    Identification of vegetation types and its boundaries using artificial neural networks / M. Saltykov, O. Yakubailik, S. Bartsev // IOP Conference Series: Materials Science and Engineering : Institute of Physics Publishing, 2019. - Vol. 537: International Workshop on Advanced Technologies in Material Science, Mechanical and Automation Engineering - MIP: Engineering-2019 (4 April 2019 through 6 April 2019, ) Conference code: 149243, Is. 6, DOI 10.1088/1757-899X/537/6/062001
Кл.слова (ненормированные):
Forestry -- Pixels -- Satellite imagery -- Vegetation -- Boreal forests -- Mixed forests -- Multi-spectral imagery -- Satellite images -- Spectral channels -- Trained neural networks -- Vegetation index -- Vegetation type -- Multilayer neural networks
Аннотация: The applicability of artificial neural networks (ANN) for the identification of vegetation types using satellite multispectral imagery was studied. The study was focused on the three main vegetation types found in the south of the Krasnoyarsk Region: mixed forest, boreal forest and grassland. Sentinel-2 satellite images were used as a data source for the neural networks. It was shown that vegetation type can be identified pixel-by-pixel using 12 spectral channels and simple feed forward ANN with good quality and reliability. Analysis of the input layer of the trained neural networks allowed several spectral bands to be selected that were the most valuable for the ANN decision and not used in the classic NDVI vegetation index. © 2019 IOP Publishing Ltd. All rights reserved.

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Держатели документа:
Institute of Biophysics, FRC KSC SB RAS, Akademgorodok 50/50, Krasnoyarsk, 660036, Russian Federation
Institute of Computation Modeling, FRC KSC SB RAS, Akademgorodok 50/44, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Saltykov, M.; Yakubailik, O.; Bartsev, S.

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8.


   
    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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9.


   
    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

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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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10.


   
    Recurrent and multi-layer neural networks playing Even-Odd": Reflection against regression / S. Bartsev, G. Markova // IOP Conference Series: Materials Science and Engineering : Institute of Physics Publishing, 2020. - Vol. 734: 2nd International Scientific Conference on Advanced Technologies in Aerospace, Mechanical and Automation Engineering, MIST: Aerospace 2019 (18 November 2019 through 21 November 2019, ) Conference code: 157461, Is. 1. - Ст. 012109, DOI 10.1088/1757-899X/734/1/012109
Аннотация: Reflection understood as an internal representation of the external world by the subject is the key property of consciousness. In a refined form this property is manifested in reflective games. To win a reflective game a player has to use reflection of strictly one rank higher than the opponent. So it can be assumed that there are only two game modes - when only one player uses reflection and wins and when both players use reflection but one of them chooses incorrect reflection rank. The option of random move selection is not considered since firstly, starting the game for a draw is strange, and secondly, it is technically impossible to make random moves without a special device. Experiments with recurrent neural networks playing with each other showed that the entire set of game patterns (time series of the game score) is split into two sharply different groups that can be associated with two modes mentioned above. Experiments, in which a multilayer neural network, which is basically incapable of reflection, played against a recurrent neural network, showed that a recurrent neural network has a clear advantage winning confidently in more than 90% of the games. At the same time game patterns demonstrate splitting into two sharply different groups as was observed in experiments with the game of two recurrent neural networks and in the reflexive game of living people. © Published under licence by IOP Publishing Ltd.

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Держатели документа:
Institute of Biophysics SB RAS, Federal Research Center, Krasnoyarsk Scientific Center SB RAS, 50, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Bartsev, S.; Markova, G.

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11.


   
    Biodistribution of nanodiamonds in the body of mice using EPR spectrometry / E. Inzhevatkin [et al.] // IET Sci. Meas. Technol. - 2019. - Vol. 13, Is. 7. - P984-988, DOI 10.1049/iet-smt.2018.5594. - Cited References:32. - This work was supported by the Russian Foundation for Basic Research (project no. 16-04-00999). . - ISSN 1751-8822. - ISSN 1751-8830
РУБ Engineering, Electrical & Electronic
Рубрики:
DRUG-DELIVERY
   DETONATION NANODIAMONDS

   NANOMATERIALS

   DOXORUBICIN

Кл.слова (ненормированные):
blood -- biomedical materials -- kidney -- lung -- detonation -- diamond -- nanomedicine -- liver -- muscle -- cellular biophysics -- nanoparticles -- EPR -- imaging -- mice -- EPR spectrometry -- detonation NDs -- electron paramagnetic -- resonance spectrometry -- characteristic EPR signal -- initially injected -- NDs -- detonation -- femoral muscles -- blood -- spleen -- brain -- kidneys -- heart -- lungs -- liver -- biomaterials -- nanodiamonds -- organ homogenates -- nanoparticle concentrations -- inter-organ distribution -- time 2 -- 5 hour -- C
Аннотация: In vitro experiments proved the usefulness of electron paramagnetic resonance (EPR) spectrometry for detecting detonation nanodiamonds (NDs) in samples of biomaterials (blood and homogenates of organs of mice). A characteristic EPR signal (g = 2.003, Delta H similar or equal to 10 G) was detected in biomaterials containing NDs, and its intensity linearly increased at nanoparticle concentrations of between 1.6 and 200 mu g/ml. In vivo experiments demonstrated that EPR spectrometry was effective for monitoring the inter-organ distribution of NDs intravenously injected to mice. In 2.5 h after the injection of NDs, the nanoparticles mainly accumulated in the lungs and liver of the animals - about 25 and 20%, respectively, of the initially injected NDs. The amounts of NDs accumulated in the heart and kidneys were considerably lower. Also, EPR spectrometry did not detect NDs in the blood, spleen, brain, and femoral muscles of mice. Ten days after injection, EPR spectrometry detected redistribution of NDs in mice. The amounts of nanoparticles decreased approximately by a factor of 3.5 in the lungs and increased almost by a factor of 3 in the liver; NDs were detected in the spleen. This study suggests ways to use EPR spectrometry to study the distribution, accumulation, and elimination of detonation NDs injected into laboratory animals.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Fed Res Ctr,Krasnoyarsk Sci Ctr, Krasnoyarsk, Russia.
RAS, SB, Int Sci Ctr Studies Extreme States Organism, Fed Res Ctr,Krasnoyarsk Sci Ctr, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Fed Res Ctr,Krasnoyarsk Sci Ctr, Krasnoyarsk, Russia.

Доп.точки доступа:
Inzhevatkin, Evgeny; Baron, Alexey; Maksimov, Nikolai; Volkova, Marina; Puzyr, Alexey; Ronzhin, Nikita; Bondar, Vladimir; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [16-04-00999]

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12.


   
    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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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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13.


   
    Thermal, mechanical and biodegradation studies of biofiller based poly-3-hydroxybutyrate biocomposites / S. Thomas [et al.] // Int. J. Biol. Macromol. - 2019, DOI 10.1016/j.ijbiomac.2019.11.112 . - Article in press. - ISSN 0141-8130
Кл.слова (ненормированные):
Biocomposite -- Environmental degradation -- Physical properties -- Poly-3-hydroxybutyrate
Аннотация: Biodegradable poly-3-hydroxybutyrate [P(3HB)] and natural fillers - clay, peat, and birch wood flour – were used to prepare powdered composites to form pellets and granules. Pellets were produced by cold pressing of polymer and filler powder whereas granules were produced from the powders wetted with ethanol. Characterization techniques like IR spectroscopy, differential scanning calorimetry, X-ray analysis, mechanical analysis and electron microscopy were employed to study the properties of the initial P(3HB) and fillers and the composites. Analysis of the IR spectra of the composites showed the absence of chemical bonds between the components, i.e. the composites were physical mixtures. Young's moduli of the pellets prepared from initial materials varied considerably, and the highest value was obtained for P(3HB) pellets (350 MPa). Studies of biodegradation of composite pellets and granules in the soil for 35 days showed that the residual mass of the pellets had decreased to 68% for P(3HB); 56.4% for P(3HB)/peat; 67% for P(3HB)/wood flour, and 64% for P(3HB)/clay; granules exhibited a similar mass loss, residual mass of the granules of P(3HB) was 68.4%, P(3HB)/peat 46.4%; P(3HB)/wood flour 77%, and P(3HB)/clay 74%. This shows the significance of the material as an eco-friendly composite without sacrificing its mechanical properties. © 2018

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Держатели документа:
Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk, 660041, Russian Federation
International and Interuniversity Centre for Nano Science and Nano technology, Kottayam, Kerala, India
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
L.V. Kirensky Institute of Physics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 43/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Federal Research Center Krasnoyarsk Scientific Center of the Siberian Branch of Russian, Academy of Sciences, 50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Thomas, S.; Shumilova, A. A.; Kiselev, E. G.; Baranovsky, S. V.; Vasiliev, A. D.; Nemtsev, I. V.; Kuzmin, A. P.; Sukovatyi, A. G.; Avinash, R. P.; Volova, T. G.

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14.


   
    Quantitative description of vertical organic matter distribution in real soil profiles by means a simple continuous model / S. I. Bartsev, A. A. Pochekutov // Ecol. Model. - 2017. - Vol. 360. - P219-222, DOI 10.1016/j.ecolmodel.2017.06.016 . - ISSN 0304-3800
Кл.слова (ненормированные):
Continuous model of soil -- Soil organic matter -- Soil profile -- Vertical soil organic matter distribution -- Biogeochemistry -- Biological materials -- Decay (organic) -- Organic compounds -- Continuous modeling -- Different soils -- Partial decomposition -- Quantitative correspondence -- Quantitative description -- Soil organic matters -- Soil profiles -- Vertical distributions -- Soils
Аннотация: Previously we have proposed a continuous model of soil organic matter (SOM) transformation which was based on describing only the most general notions of this process – a gradual increase in SOM stability toward transformation, occurring concurrently with partial decomposition of SOM. The model provided qualitative description of vertical SOM distributions in different soils. In the present study this model has been modified to make the description more realistic. The study demonstrates quantitative correspondence between the calculated and averaged observed vertical distributions of SOM for different biomes. © 2017 Elsevier B.V.

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Держатели документа:
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Krasnoyarsk, Russian Federation
Institute of Fundamental Biology and Biotechnology of Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Bartsev, S. I.; Pochekutov, A. A.

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15.


   
    Single bright NV centers in aggregates of detonation nanodiamonds / S. V. Bolshedvorskii [et al.] // Opt. Mater. Express. - 2017. - Vol. 7, Is. 11, DOI 10.1364/OME.7.004038 . - ISSN 2159-3930
Кл.слова (ненормированные):
Aggregates -- Detonation -- Detonation nanodiamonds -- NV center -- Spin properties -- Nanodiamonds
Аннотация: In this paper, we experimentally investigate optical and spin properties of NV centers in aggregates of detonation nanodiamonds. We show that despite the small size of nanodiamonds forming the aggregate, the NV centers in these aggregates exhibit spin properties comparable to similar size nanodiamonds grown by other methods, but with brightness enhanced by a factor of 2. © 2017 Optical Society of America.

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Держатели документа:
P.N. Lebedev Physical Institute, 53 Leninskij Prospekt, Moscow, Russian Federation
Russian Quantum Center, 100 Novaya St., Skolkovo, Moscow, Russian Federation
Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow Region, Russian Federation
Photonic Nano-Meta Technologies, The Territory of Skolkovo Innovation Center, Str. Nobel b.7, Moscow, Russian Federation
Prokhorov General Physics Institute RAS, 38 Vavilov Str., Moscow, Russian Federation
Moscow National Research Nuclear University 'MEPhI', 31 Kashirskoe shosse, Moscow, Russian Federation
Moscow State Pedagogical University, 1/1 Pirogovskaya Str., Moscow, Russian Federation
Siberian Federal University and Institute of Biophysics SB RAS, 79 Svobodny Prospect, Krasnoyarsk, Russian Federation
Texas A and oM University, 4242 TAMU, College Station, TX, United States

Доп.точки доступа:
Bolshedvorskii, S. V.; Vorobyov, V. V.; Soshenko, V. V.; Shershulin, V. A.; Javadzade, J.; Zeleneev, A. I.; Komrakova, S. A.; Sorokin, V. N.; Belobrov, P. I.; Smolyaninov, A. N.; Akimov, A. V.

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16.


   
    Antibacterial properties of films of cellulose composites with silver nanoparticles and antibiotics / T. G. Volova [et al.] // Polym Test. - 2018. - Vol. 65. - P54-68, DOI 10.1016/j.polymertesting.2017.10.023 . - ISSN 0142-9418
Кл.слова (ненормированные):
Antibacterial activity -- Antibiotics -- Bacterial cellulose -- Composites -- Properties -- Silver nanoparticles -- Antibiotics -- Atoms -- Boron carbide -- Cell culture -- Cellulose -- Cellulose films -- Composite materials -- Escherichia coli -- Materials testing apparatus -- Metal nanoparticles -- Nanocomposite films -- Nanoparticles -- Scanning electron microscopy -- Silver compounds -- Spectrum analysis -- Synthesis (chemical) -- Tensile testing -- Water pollution -- X ray analysis -- Anti-bacterial activity -- Antibacterial properties -- Bacterial cellulose -- Mechanical characteristics -- Properties -- Silver nanoparticles -- Structure and properties -- Tensile testing machines -- Silver -- Antibiotics -- Cellulose -- Composites -- Properties -- Silver
Аннотация: The present study describes production of bacterial cellulose composites with silver nanoparticles and antibiotics and compares their properties. Bacterial cellulose (BC) composites synthesized in the culture of the strain of acetic acid bacterium Komagataeibacter xylinus VKPM B-12068 with silver nanoparticles, BC/AgNps, were produced hydrothermally, under different AgNO3 concentrations (0.0001, 0.001, and 0.01 M) in the reaction medium. The presence of silver in the BC/AgNp composites was confirmed by elemental analysis conducted using scanning electron microscopy with a system of X-ray spectral analysis. Analysis showed that the average atomic number of silver particles in composite samples depended on the concentration of AgNO3: as AgNO3 concentration in the reaction solution was increased, silver content in the composites increased from 0.044 to 0.37 mg/cm2. BC composites with amikacin and ceftriaxone were prepared by immersing dry BC films in solutions containing different concentrations of the antibiotics. The surface structure and properties and physicochemical and mechanical characteristics of composites were investigated using SEM, DSC, X-ray analysis, the system for measuring water contact angles, and electromechanical tensile testing machine. The disk-diffusion method and the shake-flask culture method used in this study showed that all experimental composites had pronounced antibacterial activity against E. coli, Ps. eruginosa, K. pneumoniae, and St. aureus, and the BC/antibiotic composites were more active than BC/AgNp ones; S. aureus was the most susceptible to the effect of BC composites. No potential cytotoxicity was detected in any of the BC/AgNp composites in the NIH 3T3 mouse fibroblast cell culture, in contrast to the BC/antibiotic composites. These results suggest that BC composites constructed in the present study hold promise as dressings for managing wounds, including contaminated ones. © 2017 Elsevier Ltd

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Держатели документа:
Siberian Federal University, 79 Svobodnyi Av., Krasnoyarsk, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 43/50 Akademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Volova, T. G.; Shumilova, A. A.; Shidlovskiy, I. P.; Nikolaeva, E. D.; Sukovatiy, A. G.; Vasiliev, A. D.; Shishatskaya, E. I.

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17.


   
    Developing of discrimination experiment to find most adequate model of plant's multi-nutrient functional response / M. Yu Saltykov, S. I. Bartsev // IOP Conference Series: Materials Science and Engineering : Institute of Physics Publishing, 2017. - Vol. 173: 5th International Workshop on Mathematical Models and their Applications 2016, IWMMA 2016 (7 November 2016 through 9 November 2016, ) Conference code: 126825, Is. 1, DOI 10.1088/1757-899X/173/1/012017
Кл.слова (ненормированные):
Ecology -- Metabolism -- Physiology -- Adequate models -- Complex model -- Discrimination experiments -- Ecological models -- Functional response -- Trophic level -- Typical patterns -- Nutrients
Аннотация: To create reliable Closed Ecological Life Support Systems (CELSS) it is necessary to have models which can predict CELSS dynamic with good accuracy. However it was shown that conventional ecological models cannot describe CELSS correctly if it is closed by more than one element. This problem can be solved by means more complex models than conventional ones - so called flexible metabolism models. However it is possible that CELSS also can be described correctly in "semi-conventional" framework - when only one trophic level is described by flexible metabolism model. Another problem in CELSS modeling is existence of different and incompatible hypotheses about relationships between plants growth rate and amounts of nutrients (functional responses). Difficulty of testing these hypotheses is associated with multi-nutrient dependency of growth rate and comprehensive experimental studies are expensive and time-consuming. This work is devoted to testing the hypothesis that "semi-conventional" approach is enough to describe CELSS, and to planning the discrimination experiment on selecting correct type of the plant's functional response. To do that three different models of plants (one flexible and two conventional) were investigated both in the scope of CELSS model, and in hemostat model. Numerical simulations show that each of the models has typical patterns which can be determined in experiment with real plants. © Published under licence by IOP Publishing Ltd.

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Держатели документа:
Institute of Biophysics SB RAS, Akademgorodok 50-50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Yu Saltykov, M.; Bartsev, S. I.

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18.


   
    Efficacy of tebuconazole embedded in biodegradable poly-3-hydroxybutyrate to inhibit the development of Fusarium moniliforme in soil microecosystems / T. G. Volova [et al.] // Pest Manag. Sci. - 2017. - Vol. 73, Is. 5. - P925-935, DOI 10.1002/ps.4367. - Cited References:43. - This study was supported by the Russian Science Foundation (grant number 14-26-00039). The authors declare no competing financial interest. . - ISSN 1526-498X. - ISSN 1526-4998
РУБ Agronomy + Entomology
Рубрики:
CONTROLLED-RELEASE
   FUNGICIDE TEBUCONAZOLE

   BRASSICA-NAPUS

   OILSEED

Кл.слова (ненормированные):
tebuconazole -- poly-3-hydroxybutyrate -- degradation -- embedding -- tebuconazole release -- fungicidal effect
Аннотация: BACKGROUND: An important line of research is the development of a new generation of formulations with targeted and controlled release of the pesticide, using matrices made from biodegradable materials. In this study, slow-release formulations of the fungicide tebuconazole (TEB) have been prepared by embedding it into the matrix of poly-3-hydroxybutyrate (P3HB) in the form of films, microgranules and pellets. RESULTS: The average rates of P3HB degradation were determined by the geometry of the formulation, reaching, for 63 days, 0.095-0.116, 0.081-0.083 and 0.030-0.055 mg day(-1) for films, microgranules and pellets respectively. The fungicidal activity of P3HB/TEB against the plant pathogen Fusarium moniliforme was compared with that of the commercial formulation Raxil Ultra. A pronounced fungicidal effect of the experimental P3HB/TEB formulations was observed in 2-4 weeks after application, and it was retained for 8 weeks, without affecting significantly the development of soil aboriginal microflora. CONCLUSION: TEB release can be regulated by the process employed to fabricate the formulation and the fungicide loading, and the TEB accumulates in the soil gradually, as the polymer is degraded. The experimental forms of TEB embedded in the slowly degraded P3HB can be used as a basis for developing slow-release fungicide formulations. (c) 2016 Society of Chemical Industry

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Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Sect, 50-50 Akademgorodok, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Volova, Tatiana G.; Prudnikova, Svetlana V.; Zhila, Natalia O.; Vinogradova, Olga N.; Shumilova, Anna A.; Nikolaeva, Elena D.; Kiselev, Evgeniy G.; Shishatskaya, Ekaterina I.; Russian Science Foundation [14-26-00039]

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19.


   
    Gamma irradiation of resting eggs of Moina macrocopa affects individual and population performance of hatchlings / E. Zadereev [et al.] // J. Environ. Radioact. - 2017. - Vol. 175-176. - P126-134, DOI 10.1016/j.jenvrad.2017.05.002 . - ISSN 0265-931X
Кл.слова (ненормированные):
Cladocera -- Life cycle parameters -- Population performance -- Resting eggs -- ?-radiation -- Gamma rays -- Irradiation -- Life cycle -- Radiation effects -- Radioactive materials -- Sediments -- Cladocera -- Cycle parameters -- Dose response relationships -- Population performance -- Reproductive rates -- Resting eggs -- Sensitive parameter -- Zooplankton communities -- Radiation -- adolescent -- Cladocera -- contamination -- controlled study -- dose response -- female -- gamma irradiation -- gamma radiation -- hatchling -- human -- human experiment -- life cycle -- Moina macrocopa -- newborn -- nonhuman -- sediment -- zooplankton -- Animalia -- Cladocera -- Moina macrocopa
Аннотация: We investigated the effects of ?-radiation on the survival of resting eggs of the cladoceran Moina macrocopa, on the parameters of the life cycle of neonates hatched from the irradiated eggs and on the performance of the population initiated from irradiated eggs. The study showed that ?-radiation in a range of doses from the background level to 100 Gy had no effect on survival of irradiated eggs. The absorbed dose of 200 Gy was lethal to resting eggs of M. macrocopa. The number of clutches and net reproductive rate (R0) of hatchlings from eggs exposed to radiation were the strongly affected parameters in experiments with individual females. The number of clutches per female was drastically reduced for females hatched from egg exposed to 80–100 Gy. The most sensitive parameter was the R0. The estimated ED50 for the R0 (effective dose that induces 50% R0 reduction) was 50 Gy. Population performance was also affected by the irradiation of the resting stage of animals that initiated population. Populations that was initiated from hatchlings from resting eggs exposed to 100 Gy was of smaller size and with fewer juvenile and parthenogenetic females in comparison with control populations. Thus, we determined the dose-response relationship for the effect of gamma radiation on survival of resting eggs and individual and population responses of hatchlings from irradiated resting eggs. We conclude that for highly polluted areas contamination of bottom sediments with radioactive materials could affect zooplankton communities through adverse chronic effects on resting eggs, which will be transmitted to hatchlings at individual or population levels. © 2017 Elsevier Ltd

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Держатели документа:
Institute of Biophysics, Federal Research Centre Krasnoyarsk Scientific Centre, Siberian Branch, Russian Academy of Sciences, 50/50 Akademgorodok, Krasnoyarsk, Russian Federation
Siberian Federal University, 79 Svobodniy Ave., Krasnoyarsk, Russian Federation
Budker Institute of Nuclear Physics, 11 Akademika Lavrent'eva Ave., Novosibirsk, Russian Federation

Доп.точки доступа:
Zadereev, E.; Lopatina, T.; Oskina, N.; Zotina, T.; Petrichenkov, M.; Dementyev, D.

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20.


   
    Polyhydroxyalkanoates (PHA) for therapeutic applications / J. Y. Zhang [et al.] // Mater. Sci. Eng. C-Mater. Biol. Appl. - 2018. - Vol. 86. - P144-150, DOI 10.1016/j.msec.2017.12.035. - Cited References:105. - This research was financially supported by a grant from Ministry of Sciences and Technology (Grant No. 2016YFB0302504); grants from National Natural Science Foundation of China (Grant No. 31430003, 31600072 and 81503079); a grant from Natural Science Foundation of Jiangxi Province (Grant No. 20161BAB215204); and a grant from Russian Science Foundation (Grant No. 17-15-01352). Tsinghua President Fund also supported this project (Grant No. 2015THZ10). . - ISSN 0928-4931. - ISSN 1873-0191
РУБ Materials Science, Biomaterials
Рубрики:
TISSUE ENGINEERING APPLICATIONS
   3-HYDROXYBUTYRATE METHYL-ESTER

Кл.слова (ненормированные):
PHA -- Therapeutics -- Tissue engineering -- Implants -- Drug delivery -- Biomedicine
Аннотация: As intracellular carbon and energy storage materials, polyhydroxyalkanoates (PHA) are a diverse biopolyesters synthesized by many bacteria. PHA have been produced in large quantity for various application research including medical implants for approximately 30 years. Many studies demonstrated that PHA are promising implant materials due to their diverse and ascendant mechanical, biodegradable and tissue compatible properties. Importantly, common PHA biodegradation products including oligomers and monomers are also not toxic to the cells and tissues. Pharmaceutical applications of some PHA degradation products also have been reported. So far, no study has been reported to have any carcinogenesis result induced by any PHA or their biodegradation products. All results suggest that PHA could be developed into various bio-implant products.

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Держатели документа:
Nanchang Univ, Inst Life Sci, Lab Fear & Anxiety Disorders, Nanchang 330031, Jiangxi, Peoples R China.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Tsinghua Univ, Sch Life Sci, MOE Key Lab Bioinformat, Beijing 100084, Peoples R China.
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
Univ Sao Paulo, Inst Ciencias Biomed, Dept Microbiol, BR-05509900 Sao Paulo, Brazil.

Доп.точки доступа:
Zhang, Junyu; Shishatskaya, Ekaterina I.; Volova, Tatiana G.; da Silva, Luiziana Ferreira; Chen, Guo-Qiang; Ministry of Sciences and Technology [2016YFB0302504]; National Natural Science Foundation of China [31430003, 31600072, 81503079]; Natural Science Foundation of Jiangxi Province [20161BAB215204]; Russian Science Foundation [17-15-01352]; Tsinghua President Fund [2015THZ10]

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