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Dissolution and mixing of flavin mononucleotide in microfluidic chips for bioassay / K. I. Belousov [et al.] // J. Phys. Conf. Ser. - 2016. - Vol. 741, Is. 1, DOI 10.1088/1742-6596/741/1/012058 . - ISSN 1742-6588
Кл.слова (ненормированные):
Bioassay -- Biomolecules -- Dissolution -- Flow of fluids -- Fluidic devices -- Microfluidics -- Nanostructures -- Optoelectronic devices -- Oscillating flow -- Photonics -- Analysis of liquids -- Concentration distributions -- Constant flow rates -- Flavin mono nucleotides (FMN) -- Flavin mononucleotides -- Frequency of oscillation -- Uniform distribution -- Variable flow rate -- Mixing
Аннотация: Dissolution and mixing of flavin mononucleotide (FMN), which activates a luminescent reaction, were considered in various designs of microfluidic chip for pollution analysis of liquid samples. The aim was to determine the velocity mode of fluid flow ensured the uniform distribution of the FMN in the reaction chamber. Simulation of concentration distribution of FMN in various designs of microfluidic chips was conducted. It was shown that the passive mixing techniques based on the constant flow rate didn't provide mixing of FMN in acceptable time (3 seconds). The most efficient mixing was achieved using variable flow rate with a gradually increasing frequency of oscillation. © Published under licence by IOP Publishing Ltd.

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Держатели документа:
Department of Material Science and Nanotechnology, ITMO University, St. Petersburg, Russian Federation
Department of Biophysics, Siberian Federal University, Krasnoyarsk, Russian Federation
Nanobiotech Lab, St. Petersburg Academic University, St. Petersburg, Russian Federation
Laboratory of Photobiology, Institute of Biophysics SB RAS, Krasnoyarsk, Russian Federation
Laboratory of Information and Measurement Biosensor and Chemosensor Microsystems, Institute for Analytical Instrumentation RAS, St. Petersburg, Russian Federation

Доп.точки доступа:
Belousov, K. I.; Denisov, I. A.; Lukyanenko, K. A.; Yakimov, A. S.; Bukatin, A. S.; Kukhtevich, I. V.; Sorokin, V. V.; Esimbekova, E. N.; Belobrov, P. I.; Evstrapov, A. A.

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Experimental modeling of the influence of the rise in average summer temperatures on carbon circulation in tundra ecosystems / Y. V. Barkhatov [et al.] // Dokl. Earth Sci. - 2016. - Vol. 471, Is. 1. - P1168-1170, DOI 10.1134/S1028334X16110106 . - ISSN 1028-334X
Кл.слова (ненормированные):
Carbon dioxide -- Ecology -- Landforms -- Carbon fluxes -- Climate condition -- Comparative evaluations -- Experimental modeling -- Physical simulation -- Soil respiration -- Summer temperature -- Temperature rise -- Ecosystems
Аннотация: A sealed vegetation chamber was designed and constructed for physical simulation of climate conditions in the Subarctic zone during the spring–summer time. The small laboratory tundra-simulating ecosystem (TSE) was created for comparative evaluation of the rates of soil respiration and of the total balance of carbon fluxes in tundra ecosystems. The test experiment was performed to study the TSE response to a temperature rise in air and soil by 2°C in terms of the intensity of the СО2 flux. It was shown that this increase in temperature would cause a pronounced shift in the balance of СО2 production and utilization in the ecosystem from near-zero values to a stable generation of 24 ?mol/h of CO2 per 1 kg of dry biomass. © 2016, Pleiades Publishing, Ltd.

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Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Barkhatov, Y. V.; Tikhomirov, A. A.; Ushakova, S. A.; Shikhov, V. N.; Bartsev, S. I.; Degermendzhi, A. G.

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Simulation of phenodynamics of deciduous tree species / V. G. Sukhovol’skii [и др.] // Russ. J. For. Sci. - 2017. - Is. 4. - С. 293-302, DOI 10.7868/S0024114817040052 . - ISSN 0024-1148
Кл.слова (ненормированные):
Boreal forests -- Climate -- Phenological models -- Satellite data
Аннотация: Here we show the new approach to analysis of seasonal phenological dynamics of wooded plants. Our model was premised on representation of phenological processes of trees in boreal domain by a process of energy production during the vegetation season and partial release of accumulated energy for survival during resting. We introduced the energy balance equation combining weather and phenological indicators and linking them throughout a year. The model was parameterized using data of phenological studies of birch, aspen, and Siberian larch in Stolby Nature Sanctuary (55°38? - 55°58? N, 92°38? - 93°05? E) during 1951-2012 which allow high accuracy simulation of phenological stages. Coefficients of the equation may be considered as indicators of sensitivity of wooded plants to climate. We show that remotely sensed data on phenological dates may be used in calculations using the model of energy balance. Daily MODIS/Terra images of NDVI (Normalized Difference Vegetation Index) of the studied deciduous forests were used. © 2017, Izdatel'stvo Nauka. All rights reserved.

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Держатели документа:
Forest Institute, Siberian Branch of the Russian Academy of Sciences, Academgorodok 50 bldg. 28, Krasnoyarsk, Russian Federation
Institute of Biophysics, Siberian Branch of the Russian Academy of Sciences, Aсademgorodok 50 bldg. 50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Sukhovol’skii, V. G.; Ivanova, Y. D.; Ovchinnikova, T. M.; Botvich, I. Y.

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Essence of life and multiformity of its realization: expected signatures of life [Text] / S. I. Bartsev ; ed. G Horneck [et al.] // SPACE LIFE SCIENCES: SEARCH FOR SIGNATURES OF LIFE, AND SPACE FLIGHT ENVIRONMENTAL EFFECTS ON THE NERVOUS SYSTEM. Ser. ADVANCES IN SPACE RESEARCH-SERIES : PERGAMON-ELSEVIER SCIENCE LTD, 2004. - Vol. 33: 2nd World Space Congress/34th COSPAR Scientific Assembly (OCT 10-19, 2002, HOUSTON, TX), Is. 8. - P. 1313-1317, DOI 10.1016/j.asr.2003.08.032. - Cited References: 23 . - ISBN 0273-1177

РУБ Engineering, Aerospace + Astronomy & Astrophysics + Biophysics + Geosciences, Multidisciplinary + Meteorology & Atmospheric Sciences
Рубрики:
COMPLEX NETWORKS
EMERGENCE
EVOLUTION
Кл.слова (ненормированные):
astrobiology -- signatures of life -- essence of life -- multiformity of life
Аннотация: The question on the essence of life as phenomenon is the key one for astrobiology, since the answer to this question determines "breadth of our outlook". Taking Earth's version of life as the pattern extremely under-estimates our estimation of the probability of life origin and respectively expected probability of extraterrestrial life discovery. In the paper the hypothetical key attribute of life in general is selected on the base of comparative analyses and deductive inference. Simulation conducted on the base of neural network model shows that the same function could be realized by means of great variety of structures, which originated in the course of an evolutionary process. So multiplicity of evolutionary outcomes essentially increases the probability of final result - realization of an integrated function providing fitness to environment. Life as the integrated function can be realized via great variety of development ways and structures. A logical consequence of definitions for life as phenomenon is suggested. Final one is "Life is specific organization of informational and energetic processes coupling, enabling choice-making, and displayed as anomalies of different kinds". Anomalies of visible form, mechanical movement, chemical composition and noticeable response are considered. Presented in the paper sweeping generalization is not rigorously proven, however it can play heuristic role in increasing the level of specificity of searching for extraterrestrial life. (C) 2004 COSPAR. Published by Elsevier Ltd. All rights reserved.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Bartsev, S.I.; Horneck, G \ed.\; LevasseurRegourd, AC \ed.\; Rabin, BM \ed.\; Rabin, \ed.\

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Cryptophyta Flagellates of Meromictic Lakes Shira and Shunet (Khakassia, Russia): Mechanisms of Vertical Distribution and Trophic Role [Text] / Y. Barkhatov [et al.] // Acta Geol. Sin.-Engl. Ed. - 2014. - Vol. 88. - P50-52, DOI 10.1111/1755-6724.12266_4. - Cited References:9. - This work was supported by Russian Foundation for Basic Research (RFBR)No. 13-04-01514 and Integrative Project of Siberian Branch of RussianAcademy of Sciences No. 56. . - ISSN 1000-9515. - ISSN 1755-6724

РУБ Geosciences, Multidisciplinary
Рубрики:
CHEMOCLINE
SIBERIA
SALINE
Кл.слова (ненормированные):
phytoflagellates -- deep chlorophyll maxima -- meromictic lake -- simulation -- modelling -- LakeShira -- LakeShunet

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Держатели документа:
Inst Biophys SB RAS, Krasnoyarsk 660036, Russia.
ИБФ СО РАН

Доп.точки доступа:
Barkhatov, Yuri; Khromechek, Elena; Tolomeev, Alexander; Prokopkin, Igor; Russian Foundation for Basic Research (RFBR) [13-04-01514]; SiberianBranch of Russian Academy of Sciences [56]

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Refocusing on the dynamics of the Earth’s climate / S. I. Bartsev [et al.] // Her. Russ. Acad. Sci. - 2016. - Vol. 86, Is. 2. - P135-142, DOI 10.1134/S1019331616020015 . - ISSN 1019-3316
Кл.слова (ненормированные):
climate modeling -- global temperature dynamics -- temperature-regulating mechanism
Аннотация: Our opinion on the properties of the Earth’s climate system does not coincide with that generally accepted. Statistical analysis shows that, if we put aside the most substantial natural perturbing factors, the long-term global temperature dynamics appears as a step function of time. This dynamics is fundamentally different from the climate system’s continuous response to external anthropogenic effects, which is demonstrated in the models of the Intergovernmental Panel on Climate Change. The variants illustrated by a simple model (the system, affected either inadvertently or externally, changes from one quasi-stationary state to another) seem to be more suitable. © 2016, Pleiades Publishing, Ltd.

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Держатели документа:
Institute of Biophysics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
Institute of Computer Simulation, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Bartsev, S. I.; Belolipetskii, P. V.; Degermendzhi, A. G.; Ivanova, Y. D.; Pochekutov, A. A.; Saltykov, M. Y.

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Bioregenerative life support space diet and nutrition requirements: still seeking accord / V. S. Kovalev, N. S. Manukovsky, A. A. Tikhomirov // Life Sci. Space Res. - 2020. - Vol. 27. - P99-104, DOI 10.1016/j.lssr.2020.07.004. - Cited References:24. - The work was carried out within the framework of the State Program on the topic No. 56.1.4, section VI of the Program of Fundamental Scientific Research of the Russian Academy of Sciences for 2013-2020. . - ISSN 2214-5524. - ISSN 2214-5532

РУБ Astronomy & Astrophysics + Biology + Multidisciplinary Sciences
Рубрики:
SYSTEMS
FOOD
Кл.слова (ненормированные):
Modeling -- Diet -- Dish -- Ingredient -- Nutrient -- Imbalance
Аннотация: The capability of "dish" and "ingredient in dish" modeling to reduce the number of nutrition imbalances in bioregenerative life support diet was compared. Masses of dishes were assumed to be the independent variables in the 'dish' model, while in the 'ingredient in dish' model the independent variables were the total masses of the ingredients in a one-day menu and masses of ingredients in the dishes. The objective function in both models was minimization of discrepancy between the calculated nutrition intakes and the daily nutrition requirements of NASA for long duration space missions. Comparing of two models was carried out for the case of a one-day diet containing 12 dishes and 32 ingredients. It was established that the diet simulation by 'dish' model brings 6 nutrition imbalances. The use of the 'ingredient in dish' modeling has helped to reduce the number of nutrition imbalances to 3, namely, an excess of iron, vitamin A and saturated fat. Obstacles to the fulfillment of all nutrition requirements were the nomenclature and masses of ingredients in the dish recipes.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Kovalev, V. S.; Manukovsky, N. S.; Tikhomirov, A. A.; Program of Fundamental Scientific Research of the Russian Academy of Sciences [56.1.4]

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The Effect of Osmolytes on the Bioluminescent Reaction of Bacteria: Structural and Dynamic Properties / L. A. Sukovatyi, A. E. Lisitsa, V. A. Kratasyuk, E. V. Nemtseva // Biophysics. - 2020. - Vol. 65, Is. 6. - P966-971, DOI 10.1134/S0006350920060202 . - ISSN 0006-3509
Кл.слова (ненормированные):
bacterial luciferase -- bioluminescence -- luminous bacteria -- molecular dynamic -- osmolyte -- protein structure and dynamics
Аннотация: The effects of viscous media with glycerol and sucrose (10–40%) on the kinetics of the bacterial bioluminescent reaction have been investigated by stopped-flow technique. Increment of quantum yield in media with 10% of both osmolytes was shown. Higher concentrations of glycerol, up to 30–40%, were found to reduce the efficiency of the reaction, while this effect was not observed in the media with sucrose. The molecular dynamics simulation was used to study the structure of bacterial luciferase surrounded by either water molecules solely or by mixture of water with various numbers of glycerol/sucrose molecules. It was found that both cosolvents at studied concentrations did not cause a significant change in conformation of bacterial luciferase. The calculated root-mean-square fluctuation for C?-atoms of bacterial luciferase ?-subunit indicated that the higher flexibility of the enzyme mobile loop could be responsible for increment of quantum yield in the presence of 10% of both osmolytes. The active site of bacterial luciferase was found to be accessible for glycerol molecules while sucrose did not enter catalytic gorge. Moreover, at 30 and 40% concentration the glycerol molecules were found to locate in the active site of bacterial luciferase throughout the whole simulation time. © 2020, Pleiades Publishing, Inc.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics SB RAS, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Sukovatyi, L. A.; Lisitsa, A. E.; Kratasyuk, V. A.; Nemtseva, E. V.

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Protein biosensor based on Schottky barrier nanowire field effect transistor / T. E. Smolyarova, L. V. Shanidze, A. V. Lukyanenko [et al.] // Talanta. - 2022. - Vol. 239. - Ст. 123092, DOI 10.1016/j.talanta.2021.123092. - Cited References:44. - The reported study was funded by RFBR according to the research project N? 20-32-90134. The authors thank RFBR, Krasnoyarsk Terri-tory and Krasnoyarsk Regional Fund of Science (projects nos. 20-42-243007 and 20-42-240013) and the Government of the Russian Feder-ation, Mega Grant for the Creation of Competitive World-Class Labora-tories (Agreement no. 075-15-2019-1886) for financial support. Electron microscopy investigations were conducted with the help of equipment of the Krasnoyarsk Territorial Shared Resource Center, Krasnoyarsk Scientific Center, Russian Academy of Sciences. . - ISSN 0039-9140. - ISSN 1873-3573

РУБ Chemistry, Analytical
Рубрики:
SIMULATION
MODEL
Кл.слова (ненормированные):
Silicon-on-insulator -- Schottky contacts FET -- Si nanowire biosensor -- Back -- gate nanowire FET
Аннотация: A top-down nanofabrication approach involving molecular beam epitaxy and electron beam lithography was used to obtain silicon nanowire-based back gate field-effect transistors with Schottky contacts on silicon-oninsulator (SOI) wafers. The resulting device is applied in biomolecular detection based on the changes in the drain-source current (I-DS). In this context, we have explained the physical mechanisms of charge carrier transport in the nanowire using energy band diagrams and numerical 2D simulations in TCAD. The results of the experiment and numerical modeling matched well and may be used to develop novel types of nanowire-based biosensors.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Fed Res Ctr KSC SB RAS, Krasnoyarsk 660036, Russia.
Fed Res Ctr KSC SB RAS, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Krasnoyarsk State Med Univ, Krasnoyarsk 660022, Russia.

Доп.точки доступа:
Smolyarova, Tatyana E.; Shanidze, Lev, V; Lukyanenko, Anna, V; Baron, Filipp A.; Krasitskaya, Vasilisa V.; Kichkailo, Anna S.; Tarasov, Anton S.; Volkov, Nikita; Tarasov, Anton; Kichkailo, Anna; Baron, Filipp; Smolyarova, Tatyana; RFBRRussian Foundation for Basic Research (RFBR) [20-32-90134]; Krasnoyarsk Regional Fund of Science [20-42-243007, 20-42-240013]; Government of the Russian Feder-ation, Mega Grant for the Creation of Competitive World-Class Labora-tories [075-15-2019-1886]; RFBRRussian Foundation for Basic Research (RFBR); Krasnoyarsk Terri-tory

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10.

Production and characterization of bioaerosols for model validation in spacecraft environment / A. Salmela [et al.] // J. Environ. Sci. - 2018. - Vol. 69. - P227-238, DOI 10.1016/j.jes.2017.10.016. - Cited References:28. - The research leading to these results has received funding from the European Union Seventh Framework Programme (FP/2007-2013) under grant agreement number 263076 within the BIOSMHARS Project (BIO contamination Specific Modeling in Habitats Related to Space). . - ISSN 1001-0742. - ISSN 1878-7320

РУБ Environmental Sciences
Рубрики:
INDOOR AIR
   MICROBIAL-CONTAMINATION
   BUILDING-MATERIALS
   FUNGAL
Кл.слова (ненормированные):
Bioaerosol -- Modeling -- CFD -- Spacecraft -- Fungi -- Bacteria
Аннотация: This study aimed to evaluate the suitability of two bioaerosol generation systems (dry and wet generation) for the aerosolization of microorganisms isolated from the International Space Station, and to calibrate the produced bioaerosols to fulfill the requirements of computational fluid dynamics model (CFD) validation. Concentration, stability, size distribution, agglomeration of generated bioaerosol and deposition of bioaerosols were analyzed. In addition, the dispersion of non-viable particles in the air was studied. Experiments proved that wet generation from microbial suspensions could be used for the production of well-calibrated and stabile bioaerosols for model validation. For the simulation of the natural release of fungal spores, a dry generation method should be used. This study showed that the used CFD model simulated the spread of non-viable particles fairly well. The mathematical deposition model by Lai and Nazaroff could be used to estimate the deposition velocities of bioaerosols on surfaces, although it somewhat underestimated the measured deposition velocities. (c) 2017 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.

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Держатели документа:
Univ Eastern Finland, Dept Environm & Biol Sci, POB 1627, FI-70211 Kuopio, Finland.
VTT Ltd, POB 1300, FI-33100 Tampere, Finland.
Belgian Nucl Res Ctr, Microbiol Unit, B-2400 Mol, Belgium.
Inst Med & Physiol Spatiales, BP 74404, F-31405 Toulouse, France.
Inst Biomed Problems, 76-A Khoroshev Skoye Shosse, RU-123007 Moscow, Russia.
RAS, Inst Biophys SB, RU-660036 Krasnoyarsk, Russia.

Доп.точки доступа:
Salmela, Anniina; Kokkonen, Eero; Kulmala, Ilpo; Veijalainen, Anna-Maria; van Houdt, Rob; Leys, Natalie; Berthier, Audrey; Viacheslav, Ilyin; Kharin, Sergey; Morozova, Julia; Tikhomirov, Alexander; Pasanen, Pertti; Van, Rob; European Union [263076]

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11.

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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12.

A heuristic neural network model in the research of properties of evolutionary trajectories / S. Bartsev, P. Baturina // INTERNATIONAL WORKSHOP ADVANCED TECHNOLOGIES IN MATERIAL SCIENCE, : IOP PUBLISHING LTD, 2019. - Vol. 537: International Workshop on Advanced Technologies in Material Science, (APR 04-06, 2019, Krasnoyarsk, RUSSIA). - Ст. 042001. - (IOP Conference Series-Materials Science and Engineering), DOI 10.1088/1757-899X/537/4/042001. - Cited References:21 . -

РУБ Engineering, Mechanical + Materials Science, Multidisciplinary
Рубрики:
SEQUENCE SPACE
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.

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Держатели документа:
RAS, SB, Inst Biophys, Fed Res Ctr,Krasnoyarsk Sci Ctr, 50 Akad Gorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.

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

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13.

Adaptive simulation of atmospheric phenomena [Text] / J. P. Lankin ; ed. GA Zherebtsov [et al.] // EIGHTH INTERNATIONAL SYMPOSIUM ON ATMOSPHERIC AND OCEAN OPTICS: ATMOSPHERIC PHYSICS. Ser. PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) : SPIE-INT SOC OPTICAL ENGINEERING, 2002. - Vol. 4678: 8th International Symposium on Atmospheric and Ocean Optics - Atmospheric Physics (JUN 25-29, 2001, IRKUTSK, RUSSIA). - P. 668-679, DOI 10.1117/12.458507. - Cited References: 46 . - ISBN 0277-786X. - ISBN 0-8194-4433-2

РУБ Meteorology & Atmospheric Sciences + Optics + Spectroscopy

Кл.слова (ненормированные):
atmosphere -- system -- adaptation -- self-adaptation -- neuroinformatics
Аннотация: The paper describes scientific methodology of developing complex nonlinear dynamic models which form the basis of a new scientific trend called Stikhioniks(1) and are a efficient tool to devise atmosphere models. The model is aimed to develop complexly organized hierarchical non-equilibrium adaptive systems with a wide range of connections and elements and is a new step as related to the now dominant mechanical-statistical paradigm.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Lankin, J.P.; Zherebtsov, GA \ed.\; Matvienko, GG \ed.\; Banakh, VA \ed.\; Banakh, \ed.\

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14.

Lake Shira, a Siberian salt lake: Ecosystem structure and function. 2. Brachionus plicatilis (rotatoria) growth and development / T. A. Temerova, A. G. Degermendzhy, A. P. Tolomeyev // International Journal of Salt Lake Research. - 1999. - Vol. 8, Is. 3. - P233-244, DOI 10.1023/A:1009001908937 . - ISSN 1037-0544
Кл.слова (ненормированные):
Brachionus plicatilis -- Growth rate -- Reproduction -- Simulation model -- Trophic conditions -- growth -- ontogeny -- saline lake -- trophic conditions -- zooplankton -- Russian Federation -- Brachionus plicatilis -- Chlorella vulgaris -- Rotifera
Аннотация: The growth and development of Brachionus plicatilis (Muller), a rotifer and one of the most abundant zooplankton species in Lake Shira, a saline lake at low temperature in the Republic of Khakassia, was studied in cultures at different trophic conditions. Growth indices were evaluated at natural (lake) concentrations of bacteria, Chlorella vulgaris, a microalga, and Candida utilis, a yeast. The negative effect on rotifer reproduction in the algal-bacterial community by blue-green algae was demonstrated. The ratio of ontogenetic periods was shown to be in accord with species and food concentration. Base values required to calculate B. plicatilis population simulation model parameters were defined.

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Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Akademgodorok, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Temerova, T.A.; Degermendzhy, A.G.; Tolomeyev, A.P.

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15.

Computer modeling of the biotic cycle formation in a closed ecological system / A. V. Brilkov [et al.] // Advances in Space Research. - 2001. - Vol. 27, Is. 9. - P1587-1592, DOI 10.1016/S0273-1177(01)00253-8 . - ISSN 0273-1177
Кл.слова (ненормированные):
Ecology -- Energy utilization -- Mathematical models -- Biotic turnover -- Predators -- Space research -- artificial ecosystem -- alga -- animal -- article -- biological model -- computer simulation -- Cyprinodontiformes -- Daphnia -- ecosystem -- energy metabolism -- evolution -- food chain -- microclimate -- plankton -- Algae -- Animals -- Computer Simulation -- Daphnia -- Ecological Systems, Closed -- Ecosystem -- Energy Metabolism -- Evolution -- Food Chain -- Models, Biological -- Plankton -- Poecilia
Аннотация: The process of biotic turnover in a closed ecological system (CES) with an external energy flow was analyzed by mathematical modeling of the biotic cycle formation. The formation of hierarchical structure in model CESs is governed by energy criteria. Energy flow through the ecosystem increases when a predator is introduced into a "producer-reducer" system at steady state. Analysis of the model shows that under certain conditions the presence of the primary predator with its high mineralization ability accelerates the biotic turnover measured by primary production. We, therefore, conclude that for every system it is possible to find a suitable predator able to provide the system with a higher biotic turnover rate and energy consumption. В© 2001 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

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Держатели документа:
Institute of Biophysics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Brilkov, A.V.; Ganusov, V.V.; Morozova, E.V.; Pechurkin, N.S.

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16.

Modeling the growth and morphogenesis of malignant tumors / V. A. Slepkov, V. G. Sukhovol'skii, R. G. Khlebopros // Doklady Biochemistry and Biophysics. - 2006. - Vol. 411, Is. 1. - P342-345, DOI 10.1134/S1607672906060056 . - ISSN 1607-6729
Кл.слова (ненормированные):
animal -- article -- biological model -- cancer invasion -- cell proliferation -- computer simulation -- human -- morphogenesis -- neoplasm -- pathology -- pathophysiology -- Animals -- Cell Proliferation -- Computer Simulation -- Humans -- Models, Biological -- Morphogenesis -- Neoplasm Invasiveness -- Neoplasms

Scopus
Держатели документа:
Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
International Research Center for Extreme Body States, Presidium of the Krasnoyarsk Research Center, Siberian Division, Akademogorogok, Krasnoyarsk, 660036, Russian Federation
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Slepkov, V.A.; Sukhovol'skii, V.G.; Khlebopros, R.G.

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17.

Mathematical model of seasonal agrophytocenosis productivity based on terrestrial and satellite monitoring / T. I. Pisman [et al.] // Doklady Biological Sciences. - 2009. - Vol. 428, Is. 1. - P467-470, DOI 10.1134/S0012496609050226 . - ISSN 0012-4966
Кл.слова (ненормированные):
agriculture -- algorithm -- article -- biological model -- biomass -- computer simulation -- crop -- growth, development and aging -- methodology -- season -- space flight -- wheat -- Agriculture -- Algorithms -- Biomass -- Computer Simulation -- Crops, Agricultural -- Models, Biological -- Seasons -- Spacecraft -- Triticum

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50.50, Krasnoyarsk 660036, Russian Federation
Institute of Natural Sciences and Mathematics, Khakass State University, pr. Lenina 90, Abakan, 655000 Khakassia, Russian Federation
Institute of Space and Information Technologies, Siberian Federal University, ul. Kirenskogo 26, Krasnoyarsk 660074, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pisman, T.I.; Pugacheva, I.Y.; Jukova, E.Y.; Shevyrnogov, A.P.

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18.

Recycling efficiencies of C,H,O,N,S, and P elements in a biological life support system based on micro-organisms and higher plants / J. B. Gros [et al.] // Advances in Space Research. - 2003. - Vol. 31, Is. 1. - P195-199, DOI 10.1016/S0273-1177(02)00739-1 . - ISSN 0273-1177
Кл.слова (ненормированные):
Biomass -- Biosynthesis -- Chemical elements -- Earth atmosphere -- Ecosystems -- Life support systems (spacecraft) -- Manned space flight -- Microorganisms -- Plants (botany) -- Wastes -- Compartments -- Space research -- carbon -- carbon dioxide -- hydrogen -- nitrogen -- oxygen -- phosphorus -- sulfur -- space technology -- article -- biological model -- biomass -- chemistry -- comparative study -- computer simulation -- growth, development and aging -- metabolism -- methodology -- microbiology -- microclimate -- plant -- waste management -- Biomass -- Carbon -- Carbon Dioxide -- Computer Simulation -- Ecological Systems, Closed -- Environmental Microbiology -- Hydrogen -- Life Support Systems -- Models, Biological -- Nitrogen -- Oxygen -- Phosphorus -- Plants, Edible -- Sulfur -- Waste Management
Аннотация: MELiSSA is a microorganism based artificial ecosystem conceived as a tool for understanding the behavior of ecosystems and developing the technology for future Manned Space Missions. MELiSSA is composed of four compartments colonized by the microorganisms required by the function of this ecosystem : breakdown of waste produced by men, regeneration of atmosphere and biosynthesis of edible biomass. This paper reports the mass balance description of a Biological Life Support System composed of the MELiSSA loop and of a Higher Plant Compartment working in parallel with the photosynthetic Spirulina compartment producing edible biomass. The recycling efficiencies of the system are determined and compared for various working conditions of the MELiSSA loop with or without the HPC. В© 2002 Published by Elsevier Science Ltd on behalf of COSPAR.

Scopus
Держатели документа:
Lab. de Genie Chimique/Biochimique, Universite B. Pascal, Aubiere cedex 63177, France
ESA/Estec, YVC, P.O. Box 299, Noordwijk, AG 2200, Netherlands
Institute of Biophysics, Siberian branchs RAS, Academgorodok, Krasnoyarsk 630036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gros, J.B.; Poughon, L.; Lasseur, C.; Tikhomirov, A.A.

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19.

Bios-3: Siberian experiments in bioregenerative life support / F. B. Salisbury, J. I. Gitelson, G. M. Lisovsky // BioScience. - 1997. - Vol. 47, Is. 9. - P575-585 . - ISSN 0006-3568
Кл.слова (ненормированные):
agriculture -- Chlorella -- construction work and architectural phenomena -- crop -- energy metabolism -- evaluation -- growth, development and aging -- human -- metabolism -- methodology -- microbiology -- microclimate -- NASA Discipline Life Support Systems -- Non-NASA Center -- photon -- review -- Russian Federation -- space flight -- NASA Discipline Life Support Systems -- Non-NASA Center -- Agriculture -- Chlorella -- Crops, Agricultural -- Ecological Systems, Closed -- Energy Metabolism -- Environment, Controlled -- Environmental Microbiology -- Evaluation Studies -- Facility Design and Construction -- Humans -- Life Support Systems -- Photons -- Siberia -- Space Flight -- Space Simulation

Scopus
Держатели документа:
Dept. Plants, Soils, Biometeorology, College of Agriculture, Utah State University, Logan, UT 84322-4820, United States
Institute of Biophysics, Academy of Sciences of Russia, Siberian Branch, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Salisbury, F.B.; Gitelson, J.I.; Lisovsky, G.M.

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20.

Electrooptic parameters of molecular crystals: Technique of calculations / A. N. Botvich [et al.] // CONFERENCE ON LASERS AND ELECTRO-0PTICS. - 1989. - Summaries of Papers Presented at the Conference on Lasers and Electro-Optics (24 April 1989 through 28 April 1989, Baltimore, MD, USA) Conference code: 12771. - P210
Кл.слова (ненормированные):
Benzene -- Computer Simulation -- Electrooptical Effects -- Digest of Paper -- Intermolecular Distances -- Molecular Polarizability -- Molecular Crystals
Аннотация: Computer simulations of electrooptic interactions in solid molecular systems have been widely used with good effect. In these calculations molecules are usually considered point dipoles (molecule-point approximation), their parameters are taken from free molecules, and summations over the crystal lattice (lattice sums) are done by the Ewald method. Synthesis of effective new systems for electrooptic applications results in large complicated molecules much longer than the intermolecular distances in crystals. To take molecular fragmentation directly into account in this approach requires very long computing time. To simplify this problem, the molecular lattice sums are modified by dividing the molecule into fragments and calculating the lattice sums for each fragment. The results are then averaged over the weight fragment polarizabilities. This weighting coefficient is introduced to take account of the anisotropy of the molecular polarizability distribution over the molecular frame. The rest of the calculations are performed in the usual way. The method has been used to calculate linear and nonlinear optic parameters for some substituted benzene crystals with good results.

Scopus
Держатели документа:
L.V. Kirensky Inst of Phys, Krasnoyarsk, USSR : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Botvich, A.N.; Podoprigora, V.G.; Shabanov, V.F.; Vtyurin, A.N.

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