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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Sushchik N.N., Anishchenko O.V., Makhutova O.N., Kalachova G.S., Gribovskaya I.V.
Заглавие : Benefit-risk ratio of food fish intake as the source of essential fatty acids vs. heavy metals: A case study of Siberian grayling from the Yenisei River
Место публикации : Food Chemistry. - 2009. - Vol. 115, Is. 2. - С. 545-550. - ISSN 03088146 (ISSN) , DOI 10.1016/j.foodchem.2008.12.062
Ключевые слова (''Своб.индексиров.''): benefit-risk ratio--essential fatty acids--grayling--hazard quotient--heavy metals
Аннотация: A formula was derived for quantification of benefit-risk ratio (hazard quotient) for the intake of a product containing essential polyunsaturated fatty acids vs. heavy metals. The quotient was used in a three year case study of the contents of essential fatty acids and heavy metals in Siberian grayling, the main food fish from the middle section of the Yenisei River. As found, in general the fish intake was potentially very beneficial for human health, except on a few occasions, when the risk overweighed the benefit because of high contents of chromium in the fish muscle tissue. The data demonstrated the necessity for regular monitoring of the hazard quotients for food fish in wild conditions, based at least on monthly sampling frequency. В© 2008 Elsevier Ltd. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shevyrnogov A., Vysotskaya G., Sidko A., Dunaev K.
Заглавие : Typification of natural seasonal dynamics of vegetation to reveal impact of land surface change on environment (by satellite data)
Место публикации : Advances in Space Research. - 2000. - Vol. 26, Is. 7. - С. 1169-1172. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(99)01142-4
Ключевые слова (''Своб.индексиров.''): ecological modeling--ecosystem health--land surface--satellite data--vegetation dynamics
Аннотация: Deep insight into types of vegetation variability provided by AVHRR space scanner images of vegetation index spatial distribution helps reveal impact of land surface changes on environment. The Institute of Computational Modeling SB RAS has developed nonparametric algorithms of automatic to classify and recognize patterns of these images which helped to reveal: (1) major variability types (generally connected); (2) areas belonging to small classes, which can be used to reveal deviations from 'normal' (e.g., forest fires, etc.); (3) deviation from a certain type of dynamics indicative of changes in condition of plants, which can be used to diagnose pathology at early stages; (4) impact of economical activities on vegetation in Norilsk area. The authors provide biological interpretation of the satellite data. Computer-animated dynamics and color maps are presented. Nonparametric algorithms of an automatic classification and pattern recognition were provided by the Institute of Computational Modeling SB RAS. (C) 2000 COSPAR. Published by Elsevier Science Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirova N.A., Ushakova S.A., Tikhomirov A.A., Kalacheva G.S., Gros J.-B.
Заглавие : Possibility of Salicornia europaea use for the human liquid wastes inclusion into BLSS intrasystem mass exchange
Место публикации : Acta Astronautica. - 2008. - Vol. 63, Is. 7-10. - С. 1106-1110. - ISSN 00945765 (ISSN) , DOI 10.1016/j.actaastro.2008.01.003
Ключевые слова (''Своб.индексиров.''): blss--nacl turnover--salicornia europaea--space biology--acids--amides--arsenic compounds--biochemical engineering--biochemistry--biomass--cellulose--curing--drying--environmental engineering--fatty acids--garnets--health--human engineering--lipids--mineralogy--minerals--mining--nitrates--nitrogen--plants (botany)--polysaccharides--polyvinyl alcohols--renewable energy resources--silica--silicate minerals--sodium--sodium chloride--solutions--sugar (sucrose)--sugars--waste utilization--biochemical composition--biochemical substances--bioregenerative life support systems (blss)--component conditions--crude protein (cp)--dry weight (dw)--essential fatty acids--europaea--h igh concentrations--human urine--linoleic acid (la)--linolenic--lipid content--liquid wastes--mass exchanges--mineral compositions--nitrate nitrogen--nitrogen nutrition--non saturation--physico chemical processes--plant functions--plant lipids--reduced nitrogen--salicornia europaea--soluble sugars--wide spectrum--nonmetals--amides--arsenic--biochemistry--biomass--biotechnology--cellulose--curing--drying--fatty acids--lipids--nonmetals--plants--polysaccharides--sugars
Аннотация: One of the ways of solving the problem of the human liquid wastes utilization in bioregenerative life support systems (BLSS) can be the use of halophytic vegetable plant Salicornia europaea capable of accumulating sodium chloride in rather high concentrations. Since the most specific higher plant function in BLSS, which at present cannot be substituted by physicochemical processes, appears to be the biosynthesis of a wide spectrum of nutritive substances necessary for a human, the object of the given work was the investigation of the S. europaea productivity, biochemical and mineral composition when grown under close to optimal BLSS vegetative component conditions. As the use of human urine after its preliminary physicochemical processing is supposed to be the mineral solution basis for the S. europaea cultivation, it is necessary to clear up the effect of reduced nitrogen on plants growth. Ground research was carried out. Biochemical composition of the S. europaea edible part showed that crude protein was contained in the highest degree. At that the content of crude protein (24% per dry weight) and cellulose (4.7% per dry weight) was higher in the plants grown on solutions containing amide nitrogen in comparison with the plants grown on solutions with nitrate nitrogen (15.4%-3.1% correspondingly). The water-soluble sugar contents were not high in the S. europaea edible part and depending on the nitrogen nutrition form they amounted to 1.1% (amide nitrogen) and 1.5% (nitrate nitrogen). The polysaccharide number (except cellulose) was rather higher and varied from 7.7% to 8.2%. Although the lipid content in the S. europaea plants was relatively low (7% per dry weight), it was shown that the plant lipids are characterized by a high nonsaturation degree mainly due to alpha linolenic and linoleic acids. Nitrogen nutrition form did not significantly affect the S. europaea productivity, and dry edible biomass of one plant was 8.6 g. Sodium and its concentrations predominated in the plant mineral composition and amounted in average to 9% per dry weight. Thus the S. europaea being the vegetable plant it can be the source of several biochemical substances and essential fatty acids. The present work also considers the influence of nitrate and amide forms of nitrogen on S. europaea biochemical and mineral composition. В© 2008 Elsevier Ltd. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gitelson J.I., Bartsev S.I., Mezhevikin V.V., Okhonin V.A.
Заглавие : An alternative approach to solar system exploration providing safety of human mission to Mars
Место публикации : Advances in Space Research. - 2003. - Vol. 31, Is. 1. - С. 17-24. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(02)00657-9
Ключевые слова (''Своб.индексиров.''): health care--parameter estimation--planets--radiation--safety factor--mars exploration--solar system--space technology--electricity--feasibility studies--human engineering--humans--life support systems--man-machine systems--mars--radiation protection--robotics--safety--solar system--space flight--spacecraft
Аннотация: For systematic human Mars exploration, meeting crew safety requirements, it seems perspective to assemble into a spacecraft: an electrical rocket, a well-shielded long-term life support system, and a manipulator-robots operating in combined "presence effect" and "master-slave" mode. The electrical spacecraft would carry humans to the orbit of Mars, providing short distance (and low signal time delay) between operator and robot-manipulators, which are landed on the surface of the planet. Long-term hybrid biological and physical/chemical LSS could provide environment supporting human health and well being. Robot-manipulators operating in "presence effect" and "master-slave" mode exclude necessity of human landing on Martian surface decreasing the level of risk for crew. Since crewmen would not have direct contact with the Martian environment then the problem of mutual biological protection is essentially reduced. Lightweight robot-manipulators, without heavy life support systems and without the necessity of returning to the mother vessel, could be sent as scouts to different places on the planet surface, scanning the most interesting for exobiological research site. Some approximate estimations of electric spacecraft, long-term hybrid LSS, radiation protection and mission parameters are conducted and discussed. В© 2002 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pechurkin N.S., Somova L.A., Gitelson J.I., Huttenbach R.C.
Заглавие : The health of biological life support systems
Место публикации : Advances in Space Research. - 1996. - Vol. 18, Is. 12. - С. 265-268. - ISSN 02731177 (ISSN) , DOI 10.1016/0273-1177(96)00121-4
Аннотация: In developing different types of biological life support systems for use in space or extreme environments on Earth, researchers should pay attention to the long term health or functional state of such systems. The difficulty of the task is compounded by the complexity of the links and structure to be found in biological systems. To solve the problem, a hierarchical approach may be used to estimate and monitor the health of the system as a whole and its individual links. Three levels in a typical hierarchy have been considered: a. the organismic. b. populations and communities. c. the ecosystem. Special attention has been given to the interactions between macro-and microorganisms. Microorganisms are considered the most suitable indicators of a system's health and its component links. Copyright В© 1996 COSPAR.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pechurkin N.S., Shirobokova I.M.
Заглавие : Closed artificial ecosystems as a means of ecosystem studies for earth and space needs
Место публикации : Advances in Space Research. - 2001. - Vol. 27, Is. 9. - С. 1497-1504. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(01)00244-7
Ключевые слова (''Своб.индексиров.''): artificial ecosystem--bioremediation--biosphere--ecosystem--environmental monitoring--model--bioremediation--ecology--ecosystems--health--biosphere--space research--artificial ecosystem--biodegradation, environmental--earth (planet)--ecological systems, closed--ecology--ecosystem--energy transfer--environmental microbiology--life support systems--population dynamics--yeasts
Аннотация: Closed Artificial ecosystems (CAES) have good prospects for wide use as new means for quantitative studies of different types of both natural ecosystems and man-made ones. The paper deals with the discussion of three points of CAES applications. The first one is of importance for theoretical ecology development and is connected with bringing together В«holisticВ» and В«merologicalВ» approaches in ecosystems studies. Using CAES, we can combine both approaches, taking into account the biotic turnover of limiting substrates which few in number even for complicated natural ecosystems. The second CAES use concerns the development of В«ecosystems healthВ» concept and application of a key-factor-approach for the indication and measurement of healthy unhealthy state and functioning of ecosystems or their links. The third use is more of an applied nature, oriented to the intensification of bioremediation or biodepollution processes in different types of ecosystems, including the global biosphere. В© 2001 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pechurkin N.S., Maryasova T.
Заглавие : Methodology of biospherics for theoretical sciences and practical use.
Место публикации : Life support & biosphere science : international journal of earth space. - 2000. - Vol. 7, Is. 2. - С. 219-224. - ISSN 10699422 (ISSN)
Ключевые слова (''Своб.индексиров.''): article--biomass--ecosystem--energy metabolism--food chain--microclimate--theoretical model--biomass--ecological systems, closed--ecosystem--energy metabolism--food chain--life support systems--models, theoretical
Аннотация: This article deals with some methodological aspects of biospherics connected with theoretical sciences development and prospective use for practical application. Properties of experimental objects, methods and goals of biospherics as synthesising science have been discussed. The problem of stability of incomplete (natural and artificial) ecosystems has been considered. The concept of the ecosystem health based on effective functioning of different types of ecosystems has been developed.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Bolsunovsky A...
Заглавие : HOT PARTICLES IN THE FLOODPLAIN OF THE YENISEI RIVER
Место публикации : RADIOACTIVE PARTICLES IN THE ENVIRONMENT. Ser. NATO Science for Peace and Security Series C - Environmental Security: SPRINGER, 2009. - NATO Advanced Research Workshop on Hot Particles Released from Different Nuclear Sources (MAY 07-10, 2007, Yalta, UKRAINE). - С. 111-121. - 11. - ISBN 1871-4668, DOI 10.1007/978-90-481-2949-2_6. - ISBN 978-90-481-2947-8
Примечания : Cited References: 8
Предметные рубрики: RADIONUCLIDES
RUSSIA
Ключевые слова (''Своб.индексиров.''): hot particles--yenisei river--floodplain soils and sediments--plutonium complex--cesium and plutonium isotopes--(241)am--dating of particles
Аннотация: The purpose of this study was to investigate radionuclide composition of the hot particles found in the floodplain of the Yenisei River and to discuss their possible Sources. Since 1995, researchers of the Institute of Biophysics have found a considerable number of hot particles that contain up to 29,000 kBq/particle of (137)Cs in the Yenisei River floodplain. Investigations of the particles in Krasnoyarsk, Moscow, and Novosibirsk have confirmed their reactor origin and made it possible to roughly estimate their age. Based oil comparative analysis of (137)Cs/(134)Cs ratios, all the particles can be divided into two or three major groups, suggesting that over the 50-year period of the MCC operation, there have been two or three emergency situations at the MCC reactors, with nuclear fuel microparticles released into the Yenisei. Microparticles containing up to 36 Bq/particle of (241)Am were detected in soil and sediment samples collected at the Yenisei River. In some of these particles the (137)Cs/(241)Am ratio is high but in the others - low. It remains unknown how these particles have been formed. However, these microparticles Occur in floodplain soils and sediments very frequently and, thus, can be considered to be the main form in which radionuclides are present in the Yenisei River floodplain. The presence of a large number of hot particles of different origin in the floodplain of the Yenisei River from the MCC production area down to the town of Yeniseisk (and, probably, farther downstream) is a source of potential health hazard to people.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gitelson I.I., Terskov I.A., Kovrov B.G., Lisovskii G.M., Okladnikov Yu.N., Sid'ko F.Ya., Trubachev I.N., Shilenko M.P., Alekseev S.S., Pan'kova I.M., Tirranen L.S.
Заглавие : Long-term experiments on man's stay in biological life-support system
Место публикации : Advances in Space Research. - 1989. - Vol. 9, Is. 8. - С. 65-71. - ISSN 02731177 (ISSN)
Ключевые слова (''Своб.индексиров.''): agricultural products--ecosystems--food products--personnel - health--space flight - manned flight--bios-3 complex--phytotrons--spacecraft--water--air conditioning--article--biomass--crop--evaluation--growth, development and aging--human--instrumentation--light--metabolism--methodology--microclimate--photosynthesis--plant--waste management--wheat--air conditioning--biomass--crops, agricultural--ecological systems, closed--evaluation studies--humans--life support systems--light--photosynthesis--plants--triticum--waste management--water
Аннотация: We describe the experimental system having maximal possible closure of material recycling in an ecosystem, including people and plants, which was carried out in a hermetically sealed experimental complex "BIOS-3", 315 m2 in volume. The system included 2 experimentators and 3 phytotrons with plants (total sowing area of 63 m2). Plants were grown with round-the-clock lamp irradiation with 130 Wm-2 PAR intensity. The plants production was food for people. Water exchange of ecosystem, as well as gas exchange, was fully closed excluding liquids and gas samples taken for chemical analysis outside the system. The total closure of material turnover constituted 91%. Health state of the crew was estimated before, during and after the experiment. A 5-months period did not affect their health. The experiments carried out prove that the closed ecosystem of "man-plants" is a prototype of a life-support system for long-term space expeditions. В© 1989.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lobova T.I., Barkhatov Y.V., Salamatina O.V., Popova L.Yu.
Заглавие : Multiple antibiotic resistance of heterotrophic bacteria in the littoral zone of Lake Shira as an indicator of human impact on the ecosystem
Место публикации : Microbiological Research. - 2008. - Vol. 163, Is. 2. - С. 152-160. - ISSN 09445013 (ISSN) , DOI 10.1016/j.micres.2006.03.014
Ключевые слова (''Своб.индексиров.''): antibiotic resistance--aquatic ecosystems--heterotrophic bacteria--human impact--monitoring--antibiotics--bacteria--ecosystems--environmental impact--mammals--antibiotic resistance--aquatic ecosystems--heterotrophic bacteria--materials--antiinfective agent--fresh water--allochthony--anthropogenic effect--antibiotic resistance--bacterium--concentration (composition)--heterotrophy--intertidal environment--monitoring--recreational facility--spring (season)--summer--animal--article--bacterial count--bacterium--drug effect--ecosystem--environmental monitoring--heterotrophy--human--isolation and purification--methodology--microbiological examination--microbiology--multidrug resistance--russian federation--season--animals--anti-bacterial agents--bacteria--colony count, microbial--drug resistance, multiple, bacterial--ecosystem--environmental monitoring--fresh water--heterotrophic processes--humans--microbial sensitivity tests--russia--seasons--eurasia--khakassia--lake shira--russian federation--animalia--bacteria (microorganisms)
Аннотация: Resistance to Ampicillin and Kanamycin displayed by heterotrophic bacteria isolated in Summer and in Spring from the littoral and the central parts of Lake Shira (a therapeutic lake in the Khakasia Republic, Russia) has been investigated. It has been found that in Summer, human and animal microflora featuring multiple antibiotic resistance (to Ampicillin and Kanamycin) predominates in all the studied stations of the littoral zone of the lake. In Spring, concentrations of bacteria featuring multiple antibiotic resistance decrease significantly and bacteria sensitive to antibiotics predominate in the lake. Emergence of multiple antibiotic resistance in bacteria of Lake Shira is caused by the input of allochthonous bacteria into the lake; this feature of heterotrophic bacteria of Lake Shira can be used to monitor the impact on the ecosystem made by health resorts. В© 2006 Elsevier GmbH. All rights reserved.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lobova T.I., Barkhatov Yu.V., Popova L.Yu.
Заглавие : Antibiotic resistance of heterotrophic bacteria in Shira lake: Natural and anthropogenic impacts
Место публикации : Aquatic Microbial Ecology. - 2002. - Vol. 30, Is. 1. - С. 11-18. - ISSN 09483055 (ISSN)
Ключевые слова (''Своб.индексиров.''): anthropogenic load--antibiotic resistance--brackish lake--halotolerance--heterotrophic bacteria--mathematical modeling--algae--bacteria (microorganisms)--chlorophyta
Аннотация: Studies were conducted to investigate the antibiotic resistance of freshwater, halophile and moderate halotolerant bacteria isolated from the nearshore part of Shira lake, which is affected by the activity of a health resort, and from the central part of the lake in the summer (June to August) of 1999. It has been shown that the allochthonous microflora, which is brought into the lake with the resort effluent in mid-summer, is the anthropogenic factor contributing to an increase in the number of freshwater bacteria that feature multiple antibiotic resistance in the central part of the lake. It has been found that resistance to ampicillin of freshwater and halophile heterotrophic bacteria is related to the increase in the biomass of blue-green and green algae in the central part of Shira lake between mid-July and the end of August. A mathematical model has been constructed to describe the dynamics of the antibiotic resistance of heterotrophic bacteria in the close-to-resort and the central parts of Shira lake under natural and anthropogenic impacts.
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Stepanyuk G.A., Liu Z.J., Burakova L.P., Lee J..., Rose J..., Vysotski E.S., Wang B.C.
Заглавие : Spatial structure of the novel light-sensitive photoprotein berovin from the ctenophore Beroe abyssicola in the Ca2+-loaded apoprotein conformation state
Колич.характеристики :8 с
Коллективы : RFBR [09-04-00172, 12-04-00131, 12-04-91153]; NSFC [31270795, 31021062]; Government of Russian Federation of the RAS [11.G34.31.0058]; National Institutes of Health [GM62407]; Georgia Research Alliance; University of Georgia Research Foundation; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [W-31-109-Eng-38]
Место публикации : BBA-Proteins Proteomics: ELSEVIER SCIENCE BV, 2013. - Vol. 1834, Is. 10. - С. 2139-2146. - ISSN 1570-9639, DOI 10.1016/j.bbapap.2013.07.006
Примечания : Cited References: 64. - This work was supported by RFBR grants 09-04-00172, 12-04-00131, 12-04-91153, and NSFC 31270795 and 31021062, by the Programs of the Government of Russian Federation "Measures to Attract Leading Scientists to Russian Educational Institutions" (grant 11.G34.31.0058) "Molecular and Cellular Biology" of the RAS. It was also supported in part with funds from the National Institutes of Health (GM62407), The Georgia Research Alliance and the University of Georgia Research Foundation. Data were collected at Southeast Regional Collaborative Access Team (SER-CAT) 22-ID beamline at the Advanced Photon Source, Argonne National Laboratory. Supporting institutions may be found at www.ser-cat.org/members.html. The use of the Advanced Photon Source was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. W-31-109-Eng-38.
Предметные рубрики: CALCIUM-ACTIVATED PHOTOPROTEINS
COELENTERAZINE-BINDING PROTEIN
CRYSTAL-STRUCTURE
MNEMIOPSIS-SP
CA2+-REGULATED PHOTOPROTEINS
OBELIN BIOLUMINESCENCE
ANGSTROM RESOLUTION
RECOMBINANT OBELIN
RENILLA-RENIFORMIS
APO-OBELIN
Ключевые слова (''Своб.индексиров.''): coelenterazine--calcium--bioluminescence--luciferase
Аннотация: The bright bioluminescence of ctenophores, found in oceans worldwide, is determined by Ca2+-regulated photoproteins, functionally identical to and sharing many properties of hydromedusan photoproteins. In contrast, however, the ctenophore photoproteins are extremely sensitive to UV and visible light over the range of their absorption spectrum. The spatial structure of a novel light-sensitive photoprotein from the ctenophore Beroe abyssicola in its apoform bound with three calcium ions is determined at 2.0 angstrom. We demonstrate that the apoberovin is a slightly asymmetrical compact globular protein formed by two domains with a cavity in the center, which exactly retains the fold architecture characteristic of hydromedusan photoproteins despite their low amino acid sequence identity. However, the structural alignment of these two photoprotein classes clearly shows that despite the high similarity of shape and geometry of their coelenterazine-binding cavities, their interiors differ drastically. The key residues appearing to be crucial for stabilizing the 2-hydroperoxycoelenterazine and for formation of the emitter in hydromedusan photoproteins, are replaced in berovin by amino acid residues having completely different side chain properties. Evidently, these replacements must be responsible for the distinct properties of ctenophore photoproteins such as sensitivity to light or the fact that the formation of active photoprotein from apophotoprotein, coelenterazine, and oxygen is more effective at alkaline pH. (C) 2013 Elsevier B.V. All rights reserved.
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kratasyuk V.A., Vetrova E.V., Kudryasheva N.S.
Заглавие : Bioluminescent water quality monitoring of salt lake Shira
Колич.характеристики :3 с
Место публикации : Luminescence: JOHN WILEY & SONS LTD, 1999. - Vol. 14: 10th International Symposium on Bioluminescence and Chemiluminescence (1998, BOLOGNA, ITALY), Is. 4. - P193-195. - ISSN 1522-7235, DOI 10.1002/(SICI)1522-7243(199907/08)14:4193::AID-BIO5283.3.CO;2-J
Примечания : Cited References: 9
Ключевые слова (''Своб.индексиров.''): bioluminescence--biotest--ecological monitoring--salt lake
Аннотация: The coupled bioluminescent enzyme system luciferase-NADH:FMN-oxidoreductase was used as a biotest in ecological monitoring of the health resort salt lake Shira (South Siberia, Russia). The technique was adapted to saltwater conditions. Bioluminescence kinetic parameters sensitive to pollutants were determined. Conditions for the use of bacterial bioluminescence biotests in salty environmental media were established. Copyright (C) 1999 John Wiley & Sons, Ltd.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lobova T.I., Barkhatov Y.V., Popova L.Y.
Заглавие : Antibiotic resistance of heterotrophic bacteria in Shira lake: natural and anthropogenic impacts
Колич.характеристики :8 с
Место публикации : Aquat. Microb. Ecol.: INTER-RESEARCH, 2002. - Vol. 30, Is. 1. - P11-18. - ISSN 0948-3055, DOI 10.3354/ame030011
Примечания : Cited References: 33
Предметные рубрики: MARINE-BACTERIA
DIVERSITY
POLLUTION
COMMUNITY
PATTERNS
PLANTS
Ключевые слова (''Своб.индексиров.''): heterotrophic bacteria--halotolerance--antibiotic resistance--anthropogenic load--brackish lake--mathematical modeling
Аннотация: Studies were conducted to investigate the antibiotic resistance of freshwater, halophile and moderate halotolerant bacteria isolated from the nearshore part of Shira lake, which is affected by the activity of a health resort, and from the central part of the lake in the summer (June to August) of 1999. It has been shown that the allochthonous microflora, which is brought into the lake with the resort effluent in mid-summer, is the anthropogenic factor contributing to an increase in the number of freshwater bacteria that feature multiple antibiotic resistance in the central part of the lake. It has been found that resistance to ampicillin of freshwater and halophile heterotrophic bacteria is related to the increase in the biomass of blue-green and green algae in the central part of Shira lake between mid-July and the end of August. A mathematical model has been constructed to describe the dynamics of the antibiotic resistance of heterotrophic bacteria in the close-to-resort and the central parts of Shira lake under natural and anthropogenic impacts.
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15.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Gitelson J.I., Bartsev S.I., Mezhevikin V.V., Okhonin V.A.
Заглавие : An alternative approach to solar system exploration providing safety of human mission to Mars
Колич.характеристики :8 с
Место публикации : SPACE LIFE SCIENCES: MISSIONS TO MARS, RADIATION BIOLOGY, AND PLANTS AS A FOUNDATION FOR LONG-TERM LIFE SUPPORT SYSTEMS IN SPACE. Ser. ADVANCES IN SPACE RESEARCH: PERGAMON-ELSEVIER SCIENCE LTD, 2003. - Vol. 31: F0 1 and F1 3-F2 3 Symposia of COSPAR Scientific Commission F held at the 33rd COSPAR Scientific Assembly (JUL, 2000, WARSAW, POLAND), Is. 1. - P17-24. - ISBN 0273-1177, DOI 10.1016/S0273-1177(02)00657-9
Примечания : Cited References: 8
Предметные рубрики: SPACE
Аннотация: For systematic human Mars exploration, meeting crew safety requirements, it seems perspective to assemble into a spacecraft: an electrical rocket, a well-shielded long-term life support system, and a manipulator-robots operating in combined "presence effect" and "master-slave" mode. The electrical spacecraft would carry humans to the orbit of Mars, providing short distance (and low signal time delay) between operator and robot-manipulators, which are landed on the surface of the planet. Long-term hybrid biological and physical/chemical LSS could provide environment supporting human health and well being. Robot-manipulators operating in "presence effect" and "master-slave" mode exclude necessity of human landing on Martian surface decreasing the level of risk for crew. Since crewmen would not have direct contact with the Martian environment then the problem of mutual biological protection is essentially reduced. Lightweight robot-manipulators, without heavy life support systems and without the necessity of returning to the mother vessel, could be sent as scouts to different places on the planet surface, scanning the most interesting for exobiological research site. Some approximate estimations of electric spacecraft, long-term hybrid LSS, radiation protection and mission parameters are conducted and discussed. (C) 2002 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Prokhorenkov V. I., Vasil’eva E. Y., Puzyr’ A. P., Bondar’ V. S.
Заглавие : Effects of Nanodiamonds of Explosive Synthesis on the Skin of Experimental Animals Locally Exposed to Cobalt and Chrome Ions
Место публикации : Bull. Exp. Biol. Med. - 2014. - Vol. 158, Is. 2. - С. 264-267. - ISSN 00074888 (ISSN) , DOI 10.1007/s10517-014-2737-0
Ключевые слова (''Своб.индексиров.''): allergic contact dermatitis--chrome--cobalt--ions of bivalent metals--nanodiamonds--chromium--cobalt--nanodiamond--adsorption--animal--chemistry--dermatitis, allergic contact--drug effects--guinea pig--nonparametric test--skin--adsorption--animals--chromium--cobalt--dermatitis, allergic contact--guinea pigs--nanodiamonds--skin--statistics, nonparametric
Аннотация: Experiments in vivo demonstrated the protective effect of modified nanodiamonds on guinea pig skin after local exposure cobalt ions, but not chrome ions. The observed differences are determined by different adsorption of these ions by nanodiamonds: in vitro experiments showed that nanodiamonds adsorbed cobalt ions, but not chrome ions from water solutions. The perspectives of using modified nanodiamonds as a new adsorbent for prevention of allergic contact dermatitis induced by ions of bivalent metals are discussed. © 2014, Springer Science+Business Media New York.
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shadrin K. V., Morgulis I. I., Pahomova V. G., Rupenko A. P., Khlebopros R. G.
Заглавие : Characteristics of oxygen transport through the surface of the isolated perfused rat liver
Место публикации : Doklad. Biochem. Biophys. - 2015. - Vol. 464, Is. 1. - С. 298-300. - ISSN 16076729 (ISSN) , DOI 10.1134/S1607672915050075
Аннотация: It is shown that the transport of oxygen through the surface of the isolated perfused rat liver is an energy-dependent process that requires the energy of ATP hydrolysis. © 2015, Pleiades Publishing, Ltd.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volova T. G., Zhila N. O., Vinogradova O. N., Nikolaeva E. D., Kiselev E. G., Shumilova A. A., Shershneva A. M., Shishatskaya E. I.
Заглавие : Constructing herbicide metribuzin sustained-release formulations based on the natural polymer poly-3-hydroxybutyrate as a degradable matrix
Место публикации : J. Environ. Sci. Health Part B Pestic. Food Contamin. Agric. Wastes. - 2016. - Vol. 51, Is. 2. - С. 113-125. - ISSN 03601234 (ISSN) , DOI 10.1080/03601234.2015.1092833
Ключевые слова (''Своб.индексиров.''): controlled release--embedding--metribuzin--poly(3-hydroxybutyrate)--slow-release formulations--granulation--pelletizing--weed control--controlled release--embedding--metribuzin--poly-3-hydroxybutyrate--slow release--herbicides
Аннотация: Polymer poly(3-hydroxybutyrate) [P(3HB)] has been used as a matrix in slow-release formulations of the herbicide metribuzin (MET). Physical P(3HB)/MET mixtures in the form of solutions, powders, and emulsions were used to construct different metribuzin formulations (films, granules, pellets, and microparticles). SEM, X-Ray, and DSC proved the stability of these formulations incubated in sterile water in vitro for long periods of time (up to 49 days). Metribuzin release from the polymer matrix has been also studied. By varying the shape of formulations (microparticles, granules, films, and pellets), we were able to control the release time of metribuzin, increasing or decreasing it. © 2016 Taylor & Francis Group, LLC.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gribble M. O., Karimi R., Feingold B. J., Nyland J. F., O'Hara T. M., Gladyshev M. I., Chen C. Y.
Заглавие : Mercury, selenium and fish oils in marine food webs and implications for human health
Место публикации : J. Mar. Biol. Assoc. U.K. - 2016. - Vol. 96, Is. 1. - С. 43-59. - ISSN 00253154 (ISSN) , DOI 10.1017/S0025315415001356
Ключевые слова (''Своб.индексиров.''): docosahexaenoic acid--ecotoxicology--eicosapentaenoic acid--fish oils--mercury--n-3 fatty acids--oceans and human health--ohh--public health--selenium
Аннотация: Humans who eat fish are exposed to mixtures of healthful nutrients and harmful contaminants that are influenced by environmental and ecological factors. Marine fisheries are composed of a multitude of species with varying life histories, and harvested in oceans, coastal waters and estuaries where environmental and ecological conditions determine fish exposure to both nutrients and contaminants. Many of these nutrients and contaminants are thought to influence similar health outcomes (i.e., neurological, cardiovascular, immunological systems). Therefore, our understanding of the risks and benefits of consuming seafood require balanced assessments of contaminants and nutrients found in fish and shellfish. In this paper, we review some of the reported benefits of fish consumption with a focus on the potential hazards of mercury exposure, and compare the environmental variability of fish oils, selenium and mercury in fish. A major scientific gap identified is that fish tissue concentrations are rarely measured for both contaminants and nutrients across a range of species and geographic regions. Interpreting the implications of seafood for human health will require a better understanding of these multiple exposures, particularly as environmental conditions in the oceans change. © Marine Biological Association of the United Kingdom, 2015.
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Baron A. V., Osipov N. V., Yashchenko S. V., Kokotukha Y. A., Baron I. J., Puzyr A. P., Olkhovskiy I. A., Bondar V. S.
Заглавие : Adsorption of viral particles from the blood plasma of patients with viral hepatitis on nanodiamonds
Место публикации : Doklad. Biochem. Biophys.: Maik Nauka Publishing / Springer SBM, 2016. - Vol. 469, Is. 1. - С. 244-246. - ISSN 16076729 (ISSN) , DOI 10.1134/S1607672916040037
Аннотация: Adsorption of viral particles from the blood plasma of patients with viral hepatitis B and C on modified nanodiamonds (MNDs) was shown in the in vitro experiments. PCR method showed the treatment of plasma with MNDs leads to a decrease in the viral load by 2–3 orders of magnitude or more in both cases studied. These results make it possible to predict the applicability of MNDs for the development of new technologies of hemodialysis and plasmapheresis for binding and removal of viral particles from the blood of infected patients. © 2016, Pleiades Publishing, Ltd.
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