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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E.I., Volova T.G.
Заглавие : A comparative investigation of biodegradable polyhydroxyalkanoate films as matrices for in vitro cell cultures
Место публикации : J. Mater. Sci.-Mater. Med.: KLUWER ACADEMIC PUBL, 2004. - Vol. 15, Is. 8. - С. 915-923. - 9. - ISSN 0957-4530, DOI 10.1023/B:JMSM.0000036280.98763.c1
Примечания : Cited References: 34
Предметные рубрики: DEGRADATION
POLY(3-HYDROXYBUTYRATE)
POLYESTERS
POLYMERS
Аннотация: The paper describes the production and investigation of flexible films made of high-purity polyhydroxyalkanoates (PHAs) - polyhydroxybutyrate [poly-(3HB)] and poly-3-hydroxybutyrate-co-poly-3-hydroxyvalerate [poly(3Hl3-co-3HV)], containing 4-30 mol % hydroxyvalerate. Poly(3HB-co-3HV) films have a more porous structure than poly-(3HB) films, which are more compact, but their surface properties, such as wettability and surface and interface energies, are the same. Sterilisation of the PHA films by conventional methods (heat treatment and gamma-irradiation) did not impair their strength. Cells cultured on PHA films exhibited high levels of cell adhesion. Cell morphology, protein synthesis and DNA synthesis were estimated by extent of H-3-thymidine incorporation into the animal cell cultures of various origins (fibroblasts, endothelium cells, and isolated hepatocytes) in direct contact with PHAs. The investigation showed that this material can be used to make matrices for in vitro proliferous cells. The investigated properties of poly-(3HB) and poly(3HB-co-3HV) films proved to be fundamentally similar. (C) 2004 Kluwer Academic Publishers.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E.I., Volova T.G.
Заглавие : A comparative investigation of biodegradable polyhydroxyalkanoate films as matrices for in vitro cell cultures
Колич.характеристики :9 с
Место публикации : J. Mater. Sci.-Mater. Med.: KLUWER ACADEMIC PUBL, 2004. - Vol. 15, Is. 8. - P915-923. - ISSN 0957-4530, DOI 10.1023/B:JMSM.0000036280.98763.c1
Примечания : Cited References: 34
Предметные рубрики: DEGRADATION
POLY(3-HYDROXYBUTYRATE)
POLYESTERS
POLYMERS
Аннотация: The paper describes the production and investigation of flexible films made of high-purity polyhydroxyalkanoates (PHAs) - polyhydroxybutyrate [poly-(3HB)] and poly-3-hydroxybutyrate-co-poly-3-hydroxyvalerate [poly(3Hl3-co-3HV)], containing 4-30 mol % hydroxyvalerate. Poly(3HB-co-3HV) films have a more porous structure than poly-(3HB) films, which are more compact, but their surface properties, such as wettability and surface and interface energies, are the same. Sterilisation of the PHA films by conventional methods (heat treatment and gamma-irradiation) did not impair their strength. Cells cultured on PHA films exhibited high levels of cell adhesion. Cell morphology, protein synthesis and DNA synthesis were estimated by extent of H-3-thymidine incorporation into the animal cell cultures of various origins (fibroblasts, endothelium cells, and isolated hepatocytes) in direct contact with PHAs. The investigation showed that this material can be used to make matrices for in vitro proliferous cells. The investigated properties of poly-(3HB) and poly(3HB-co-3HV) films proved to be fundamentally similar. (C) 2004 Kluwer Academic Publishers.
WOS
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belolipetskii P.V., Bartsev S.I., Degermendzhi A.G.
Заглавие : A hypothesis about double surging climate change in the 20th century
Колич.характеристики :4 с
Коллективы : presidium of Russian Academy of Science "Research Scientific Studies forDevelopment of Arctic Zone of the Russian Federation" [12]
Место публикации : Dokl. Earth Sci.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2015. - Vol. 460, Is. 1. - С. 46-49. - ISSN 1028-334X, DOI 10.1134/S1028334X1501002X. - ISSN 1531-8354(eISSN)
Примечания : Cited References:15. - This work was supported by the Program of presidium of Russian Academyof Science "Research Scientific Studies for Development of Arctic Zoneof the Russian Federation," project no. 12.
Предметные рубрики: REGIME SHIFTS
NORTH PACIFIC
OCEAN
SYSTEM
HEAT
WOS,
Scopus
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kartushinsky A.V., Sidorenko A.Y.
Заглавие : Analysis of the variability of temperature gradient in the ocean frontal zones based on satellite data
Место публикации : Advances in Space Research. - 2013. - ISSN 02731177 (ISSN) , DOI 10.1016/j.asr.2013.07.023
Ключевые слова (''Своб.индексиров.''): frontal zones--north atlantic oscillation--sea surface temperature gradients--south oscillation - el ninjo--thermohaline circulation--variability of gradients
Аннотация: AVHRR MCSST data for the periods 1982-2000 (mean weekly data) were used to calculate mean gradient fields in the ocean for different periods of time. Three-month averaged sea surface temperature gradients (SSTG) and their mean seasonal variations have been studied for 25 points in the large-scale oceanic fronts zones. Major oceanic fronts in the Atlantic and Pacific have been identified and compared in literature. In the North Atlantic and Pacific, the areas under study were the North Polar Front and Subpolar Fronts. In the South Atlantic and Pacific we studied the region of the Antarctic Circumpolar Current (ACC) and the fronts formed by this current, known as the South Polar Front, and the Subantarctic Front. SSTG were also calculated for El Nino (Southeast Pacific) and Benguela Current (Southeast Atlantic). In warm periods seasonal SSTG in the North Atlantic markedly increased and exhibit some interannual cycles. The correlation between the North Atlantic Oscillation index and seasonal SSTG for a single point in the Gulf Stream zone can be the key point for evaluation of heat transfer by the currents to the coast of East Europe. In the Southern Atlantic, the SSTG values are low during the cold period (summer in the southern hemisphere) in the ACC zone and increase in the warm season (winter in the southern hemisphere). It also exhibits interannual cycles. In the Northwest Pacific for some points in the Subpolar Front the SSTG values are high in the cold period (winter). Here at seven points in the spring of 1993 and 2000 the calculations disclosed significant increase of the gradient. In these years, the anomalous SSTG in Subpolar Front and South Polar Front were found to vary synchronously in both hemispheres, with maximum intensity in spring (North Pacific) and in summer (South Pacific). Mean annual SSTG in the El Nino zone and south oscillation index have been found to exhibit some correlation. Major jet currents periodically form high-gradient temperature fields and from the temperature satellite data we can derive information about variation in the large-scale fronts in the Global Ocean. В© 2013 COSPAR.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kuchkina A., Gladyshev M.I., Sushchik N.N., Kravchuk E.S., Kalachova G.S.
Заглавие : Biodiesel production from sediments of a eutrophic reservoir
Место публикации : Biomass and Bioenergy. - 2011. - Vol. 35, Is. 5. - С. 2280-2284. - ISSN 09619534 (ISSN) , DOI 10.1016/j.biombioe.2011.02.047
Ключевые слова (''Своб.индексиров.''): biodiesel--dredging sediments--eutrophic reservoir--fatty acids--lipids--bio-diesel fuel--biodiesel production--cetane number--dry weight--en 14214--eutrophic reservoirs--heat of combustion--high price--iodine number--is costs--lake restoration--lipid content--production cost--siberia--anoxic sediments--biodiesel--costs--diesel fuels--eutrophication--fatty acids--iodine--lipids--reservoirs (water)--sedimentology--synthetic fuels--thermochemistry--dredging--biofuel--combustion--dredging--environmental restoration--eutrophic environment--iodine--lacustrine deposit--lipid--production cost--reservoir--bugach reservoir--krasnoyarsk [russian federation]--russian federation
Аннотация: Sediments from eutrophic reservoir Bugach (Siberia, Russia) were tested for possibility to produce biodiesel. We supposed that the sediments could be a promising biodiesel producer. The major reason of high price of biodiesel fuel is cost of a raw material. The use of dredging sediments for biodiesel production reduces production costs, because the dredging sediments are by-products which originated during lake restoration actions, and are free of cost raw materials. Lipid content in sediments was 0.24% of dry weight. To assess the potential of from sediments as a substitute of diesel fuel, the properties of the biodiesel such as cetane number, iodine number and heat of combustion were calculated. All of this parameters complied with limits established by EN 14214 and EN 14213 related to biodiesel quality. В© 2011 Elsevier Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zavorueva E.N., Ushakova S.A.
Заглавие : Characteristics of slow induction curve of chlorophyll fluorescence and CO2 exchange for the assessment of plant heat tolerance at various levels of light intensity
Колич.характеристики :8 с
Место публикации : Russ. J. Plant Physiol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2004. - Vol. 51, Is. 3. - P294-301. - ISSN 1021-4437, DOI 10.1023/B:RUPP.0000028674.39572.1c
Примечания : Cited References: 18
Ключевые слова (''Своб.индексиров.''): triticum aestivum--raphanus sativus var. minor--fluorescence--heat tolerance--pigments--co2 exchange
Аннотация: The heat tolerance of wheat (Triticum aestivum L.) and radish (Raphanus sativus L. var. minor) cenoses exposed to elevated and damaging air temperatures (35 degreesC for 20 h, 45 degreesC for 7 h) under photoculture conditions at various levels of photosynthetically active radiation (PAR) was assessed by measuring characteristics of the slow induction curve of chlorophyll fluorescence at 682 and 734 nm and the CO2 exchange rate. Irrespective of the illumination level, the exposure of the cenoses to 35 degreesC did not induce irreversible changes in the plant photosynthetic apparatus. The lowest extent of damage to wheat and radish cenoses exposed to 45 degreesC was observed at 150 W/m(2) of PAR, whereas the highest damage of the plants was observed at an illumination level that was close to the compensation point of the cenose photosynthesis (50-70 W/m(2) of PAR at air temperature of 24 degreesC). Viability index proved to be the most sensitive. characteristic, compared to other characteristics, which were determined by measuring the slow phase of fluorescence induction at 682 and 734 nm. In the cenoses studied, the pattern of changes in the viability index in response to a stress factor was close to the changes in the photosynthetic rate.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shatilina Z.M., Gubanov M.V., Zadereev E.S., Pavlichenko V.V., Axenov-Gribanov D.V., Sapozhnikova E.A., Protopopova M.V., Bedulina D.S., Timofeyev M.A.
Заглавие : Comparative study of Thermoresistances' cellular mechanisms in representatives of the Gammarus lacustris Sars populations inhabiting Saline Lake Shira (Republic of Khakassia) and a fresh water body in the Cis-Baikal region
Место публикации : Doklady Biological Sciences. - 2010. - Vol. 434, Is. 1. - С. 359-362. - ISSN 00124966 (ISSN) , DOI 10.1134/S0012496610050182
Ключевые слова (''Своб.индексиров.''): antioxidant--catalase--fresh water--heat shock protein 70--reactive oxygen metabolite--sea water--amphipoda--animal--article--biosynthesis--comparative study--ecosystem--heat--metabolism--russian federation--amphipoda--animals--antioxidants--catalase--ecosystem--fresh water--hot temperature--hsp70 heat-shock proteins--reactive oxygen species--seawater--siberia--gammarus--gammarus lacustris
Scopus
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirov A. A., Ushakova S. A., Shikhov V. N., Shklavtsova E. S.
Заглавие : Conceptual approach to selecting radiation spectrum of lamps for plant cultivation in artificial conditions
Место публикации : Light Eng.: LLC Editorial of Journal "Light Technik", 2019. - Vol. 27, Is. Special Issue. - С. 24-39. - ISSN 02362945 (ISSN)
Аннотация: Based on own and literature data, the review of existing approaches to justification of concepts of selecting contemporary light sources for plant cultivation in greenhouse conditions is presented. The work covers comparative experimental data on productivity of lettuce leaves formed under radiation of light-emitting diode emitters with a phytospectrum and white light. A high-pressure sodium lamp was taken as a control source. Lack of valid differences between this data is found out. The article discusses data of literature where effect of heat radiation on plant productivity was discovered by means of light sources of different generations (metal halide lamps, xenon lamps), which is an additional factor apart from visible radiation spectrum which is capable of influencing photobiological efficiency of lamps. On the basis of data of literature, the role of background natural solar light in greenhouses which can negatively affect spectral efficiency of artificial light sources used for supplementary lighting of plants is discussed. A set of methodological factors influencing spectral efficiency of radiation for plant productivity as well as aspects of selection of lamps for cultivation of plants in greenhouse conditions for different latitudes are reviewed and scientifically validated. A controversy in selection of PAR chromaticity of light sources for plant cultivation is demonstrated. The concept of selecting 2 a light source for plant cultivation based on availability of specific response of plant groups to PAR chromaticity is proposed as the most objective for practical application. © 2019, LLC Editorial of Journal "Light Technik". All rights reserved.
Scopus
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirov, Alexander A., Ushakova, Sofya A., Shikhov, Valentin N., Shklavtsova, Ekaterina S.
Заглавие : CONCEPTUAL APPROACH TO SELECTING RADIATION SPECTRUM OF LAMPS FOR PLANT CULTIVATION IN ARTIFICIAL CONDITIONS
Колич.характеристики :7 с
Место публикации : Light Eng.: ZNACK PUBLISHING HOUSE, 2019. - Vol. 27. - С. 24-30. - ISSN 0236-2945
Примечания : Cited References:17
Предметные рубрики: QUALITY
Аннотация: Based on own and literature data, the review of existing approaches to justification of concepts of selecting contemporary light sources for plant cultivation in greenhouse conditions is presented. The work covers comparative experimental data on productivity of lettuce leaves formed under radiation of light-emitting diode emitters with a phytospectrum and white light. A high-pressure sodium lamp was taken as a control source. Lack of valid differences between this data is found out. The article discusses data of literature where effect of heat radiation on plant productivity was discovered by means of light sources of different generations (metal halide lamps, xenon lamps), which is an additional factor apart from visible radiation spectrum which is capable of influencing photobiological efficiency of lamps. On the basis of data of literature, the role of background natural solar light in greenhouses which can negatively affect spectral efficiency of artificial light sources used for supplementary lighting of plants is discussed. A set of methodological factors influencing spectral efficiency of radiation for plant productivity as well as aspects of selection of lamps for cultivation of plants in greenhouse conditions for different latitudes are reviewed and scientifically validated. A controversy in selection of PAR chromaticity of light sources for plant cultivation is demonstrated. The concept of selecting a light source for plant cultivation based on availability of specific response of plant groups to PAR chromaticity is proposed as the most objective for practical application.
WOS
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Sushchik N.N., Gubanenko G.A., Demirchieva S.M., Kalachova G.S.
Заглавие : Effect of boiling and frying on the content of essential polyunsaturated fatty acids in muscle tissue of four fish species
Место публикации : Food Chemistry. - 2007. - Vol. 101, Is. 4. - С. 1694-1700. - ISSN 03088146 (ISSN) , DOI 10.1016/j.foodchem.2006.04.029
Ключевые слова (''Своб.индексиров.''): cod--essential polyunsaturated fatty acids--herring--sole--trout--docosahexaenoic acid--icosapentaenoic acid--polyunsaturated fatty acid--article--atlantic cod--atlantic herring--boiling point--brown trout--controlled study--cooking--fish--food processing--frying--lepidopsetta bilineata--muscle tissue--nonhuman--norway--raw meat--russian federation--sample--clupea pallasi--clupeidae--gadus ogac--lepidopsetta bilineata--martes pennanti--paraplagusia bilineata--salmo trutta--salmonidae
Аннотация: Frozen samples of common fish species, sea trout (Salmo trutta), from Norway and Siberia, herring (Clupea harengus pallasi), rock sole (Lepidopsetta bilineata) and cod (Gadus morhua maris-albi), collected from a wholesale market in Krasnoyarsk city (Siberia, Russia) were analyzed. Special attention was paid to long-chain essential polyunsaturated fatty acids: eicosapentaenoic, 20:5?3 (EPA) and docosahexaenoic, 22:6?3 (DHA). Heat-treatment (cooking and frying) did not in general significantly decrease the contents of EPA and DHA compared to raw fish species, except for a modest reduction in Norwegian trout during frying. Boiled trout appeared to be a more valuable fish dish for obtaining the officially recommended appropriate daily intake of EPA + DHA for humans. Herring and sole had intermediate values, while boiled cod had a comparatively low value. В© 2006 Elsevier Ltd. All rights reserved.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Sushchik N.N., Gubanenko G.A., Makhutova O.N., Kalachova G.S., Rechkina E.A., Malyshevskaya K.K.
Заглавие : Effect of the Way of Cooking on Contents of Essential Polyunsaturated Fatty Acids in Filets of Zander
Колич.характеристики :6 с
Коллективы : Siberian Federal University
Место публикации : Czech. J. Food Sci.: CZECH ACADEMY AGRICULTURAL SCIENCES, 2014. - Vol. 32, Is. 3. - С. 226-231. - ISSN 1212-1800
Примечания : Cited References: 21. - Partly supported by the Siberian Federal University, Project B-15, carried out according to Federal Tasks of Ministry of Education and Science of Russian Federation.
Предметные рубрики: MUSCLE-TISSUE
FISH
QUALITY
OIL
Ключевые слова (''Своб.индексиров.''): epa content--dha content--n-6/n-3 ratio--fish silets--convection steam oven
Аннотация: Fatty acid content of raw and cooked zander (Sander lucioperca) was studied. Special attention was paid to long-chain polyunsaturated fatty acids: eicosapentaenoic, 20:5 n-3 (EPA) and docosahexaenoic, 22:6 n-3 (DHA), and also to the n-6/n-3 ratio, which are regarded as indicators of nutritive value. As found, the heat treatments, boiling, stewing and frying, including those in a convection steam oven (CSO), did not significantly decrease the content of EPA and DHA in the products. Boiling and stewing appeared to give products of a higher nutritive value, regarding the above indicators, than frying and cake preparation. Frying of zander in CSO was found to be more beneficial for nutrition compared to pan-frying. The cooked zander had higher EPA and DHA contents than many other popular food fish species, and also had a high nutritive value due to the low n-6/n-3 ratio when boiled and stewed.
WOS
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Sushchik N.N., Gubanenko G.A., Demirchieva S.M., Kalachova G.S.
Заглавие : Effect of way of cooking on content of essential polyunsaturated fatty acids in muscle tissue of humpback salmon (Oncorhynchus gorbuscha)
Место публикации : Food Chemistry. - 2006. - Vol. 96, Is. 3. - С. 446-451. - ISSN 03088146 (ISSN) , DOI 10.1016/j.foodchem.2005.02.034
Ключевые слова (''Своб.индексиров.''): antioxidant--docosahexaenoic acid--essential fatty acid--icosapentaenoic acid--omega 3 fatty acid--polyunsaturated fatty acid--animal tissue--conference paper--controlled study--cooking--ecological niche--evolution--fish--fluid intake--food analysis--freezing--frying--heat treatment--heating--hypothesis--market--muscle tissue--nonhuman--oncorrhynchus gorbuscha--reduction--russian federation--salmon--statistical significance--animalia--oncorhynchus gorbuscha--pisces--salmonidae
Аннотация: Contents of fatty acids in filets of unfrozen (control), boiled, fried, roasted and boiled in a small amount of water humpback salmon, collected from a wholesale market in Krasnoyarsk city (Siberia, Russia) were analyzed. Special attention was paid to essential polyunsaturated fatty acids of ?3 family: eicosapentaenoic, 20:5?3 (EPA) and docosahexaenoic, 22:6?3 (DHA). Heat treatment in general did not decrease content of EPA and DHA in humpback, except a modest reduction during frying. Cooked humpback appeared to be the valuable source of essential ?3 PUFAs, namely EPA and DHA. It was hypothesized that the absence of significant reduction of PUFAs' contents in red flesh of fishes of Salmonidae family during heat treatment may be due to a high level of natural antioxidants which formed in the course of evolution as adaptation to their ecological niche. В© 2005 Elsevier Ltd. All rights reserved.
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shklavtsova E.S., Ushakova S.A., Shikhov V.N., Anishchenko O.V.
Заглавие : Effects of mineral nutrition conditions on heat tolerance of chufa (Cyperus esculentus L.) plant communities to super optimal air temperatures in the BTLSS
Колич.характеристики :11 с
Коллективы : program of fundamental research for the Russian academies of sciences [56.1.4]
Место публикации : Adv. Space Res.: ELSEVIER SCI LTD, 2014. - Vol. 54, Is. 6. - С. 1135-1145. - ISSN 0273-1177, DOI 10.1016/j.asr.2014.05.031. - ISSN 1879-1948
Примечания : Cited References: 26. - The study was performed within the framework of the program of fundamental research for the Russian academies of sciences for 2013-2020, subject No. 56.1.4.
Предметные рубрики: LIFE-SUPPORT-SYSTEMS
CHLOROPHYLL FLUORESCENCE
STRESS
WASTE
WHEAT
LSS
Ключевые слова (''Своб.индексиров.''): bioregenerative life support system--cyperus esculentus l.--heat shock--mineralized human wastes--chlorophyll fluorescence--lipid peroxidation
Аннотация: The use of mineralized human wastes as a basis for nutrient solutions will increase the degree of material closure of bio-technical human life support systems. As stress tolerance of plants is determined, among other factors, by the conditions under which they have been grown before exposure to a stressor, the purpose of the study is to investigate the level of tolerance of chufa (Cyperus esculentus L.) plant communities grown in solutions based on mineralized human wastes to a damaging air temperature, 45 degrees C. Experiments were performed with 30-day-old chufa plant communities grown hydroponically, on expanded clay aggregate, under artificial light, at 690 mu mol m(-2) s(-1) PAR and at a temperature of 25 degrees C. Plants were grown in Knop's solution and solutions based on human wastes mineralized according to Yu.A. Kudenko's method, which contained nitrogen either as ammonium and urea or as nitrates. The heat shock treatment lasted 20 h at 690 and 1150 mu mol m(-2) s(-1) PAR. Chufa heat tolerance was evaluated based on parameters of CO2 gas exchange, the state of its photosynthetic apparatus (PSA), and intensity of peroxidation of leaf lipids. Chufa plants grown in the solutions based on mineralized human wastes that contained ammonium and urea had lower heat tolerance than plants grown in standard mineral solutions. Heat tolerance of the plants grown in the solutions based on mineralized human wastes that mainly contained nitrate nitrogen was insignificantly different from the heat tolerance of the plants grown in standard mineral solutions. A PAR intensity increase from 690 mu mol m(-2) s(-1) to 1150 mu mol m(-2) s(-1) enhanced heat tolerance of chufa plant communities, irrespective of the conditions of mineral nutrition under which they had been grown. (C) 2014 COSPAR. Published by Elsevier Ltd. All rights reserved.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shklavtsova E.S., Ushakova S.A., Shikhov V.N., Anishchenko O.V.
Заглавие : Effects of mineral nutrition conditions on heat tolerance of chufa (Cyperus esculentus L.) plant communities to super optimal air temperatures in the BTLSS
Место публикации : Adv. Space Res. - 2014. - Vol. 54, Is. 6. - С. 1135-1145. - ISSN 18791948 (ISSN) , DOI 10.1016/j.asr.2014.05.031
Ключевые слова (''Своб.индексиров.''): bioregenerative life support system--chlorophyll fluorescence--cyperus esculentus l.--heat shock--lipid peroxidation--mineralized human wastes--atmospheric temperature--carbon dioxide--lipids--metabolism--minerals--nitrates--nitrogen--nutrition--plants (botany)--urea--wastes--bioregenerative life support systems--chlorophyll fluorescence--cyperus esculentus--heat-shock--human waste--lipid peroxidation--plant shutdowns
Аннотация: The use of mineralized human wastes as a basis for nutrient solutions will increase the degree of material closure of bio-technical human life support systems. As stress tolerance of plants is determined, among other factors, by the conditions under which they have been grown before exposure to a stressor, the purpose of the study is to investigate the level of tolerance of chufa (Cyperus esculentus L.) plant communities grown in solutions based on mineralized human wastes to a damaging air temperature, 45 °C. Experiments were performed with 30-day-old chufa plant communities grown hydroponically, on expanded clay aggregate, under artificial light, at 690 ?mol m-2 s-1 PAR and at a temperature of 25 °C. Plants were grown in Knop's solution and solutions based on human wastes mineralized according to Yu.A. Kudenko's method, which contained nitrogen either as ammonium and urea or as nitrates. The heat shock treatment lasted 20 h at 690 and 1150 ?mol m -2 s-1 PAR. Chufa heat tolerance was evaluated based on parameters of CO2 gas exchange, the state of its photosynthetic apparatus (PSA), and intensity of peroxidation of leaf lipids. Chufa plants grown in the solutions based on mineralized human wastes that contained ammonium and urea had lower heat tolerance than plants grown in standard mineral solutions. Heat tolerance of the plants grown in the solutions based on mineralized human wastes that mainly contained nitrate nitrogen was insignificantly different from the heat tolerance of the plants grown in standard mineral solutions. A PAR intensity increase from 690 ?mol m -2 s-1 to 1150 ?mol m-2 s-1 enhanced heat tolerance of chufa plant communities, irrespective of the conditions of mineral nutrition under which they had been grown. © 2014 COSPAR. Published by Elsevier Ltd. All rights reserved.
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15.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Bartsev S.I., Mezhevikin V.V., Okhonin V.A.
Заглавие : Evaluation of optimal configuration of hybrid life support system for space
Колич.характеристики :4 с
Место публикации : LIFE SCIENCES: SPACE LIFE SUPPORT SYSTEMS AND THE LUNAR FARSIDE CRATER SAHA PROPOSAL. Ser. ADVANCES IN SPACE RESEARCH: PERGAMON PRESS LTD, 2000. - Vol. 26: F4 4 F4 5 and F3 7 Symposia of COSPAR Scientific Commission F Held at the 32nd COSPAR Scientific Assembly (JUL 12-19, 1998, NAGOYA, JAPAN), Is. 2. - P323-326. - ISBN 0273-1177, DOI 10.1016/S0273-1177(99)01071-6
Примечания : Cited References: 12
Аннотация: Any comprehensive evaluation of Life Support Systems (LSS) for space applications has to be conducted taking into account not only mass of LSS components but also all relevant equipment and storage: spare parts, additional mass of space ship walls, power supply and heat rejection systems. In this paper different combinations of hybrid LSS (HLSS) components were evaluated. Three variants of power supply were under consideration - solar arrays, direct solar light transmission to plants, and nuclear power. The software based on simplex approach was used for optimizing LSS configuration with respect to its mass. It was shown that there are several LSS configuration, which are optimal for different time intervals. Optimal configurations of physical-chemical (P/C), biological and hybrid LSS for three types of power supply are presented. (C) 2000 COSPAR. Published by Elsevier Science Ltd.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sushchik N.N., Kuchkina A.Y., Gladyshev M.I.
Заглавие : Fatty acid content and composition of sediments from Siberian eutrophic water bodies: Implications for biodiesel production
Место публикации : Water Research. - 2013. - Vol. 47, Is. 9. - С. 3192-3200. - ISSN 00431354 (ISSN) , DOI 10.1016/j.watres.2013.03.031
Ключевые слова (''Своб.индексиров.''): biodiesel--bottom sediments--fatty acids--fuel properties--inland water bodies--lipids--biological conditions--bottom sediments--environmental characteristic--freshwater reservoirs--fuel properties--inland waters--organic matter source--transformation process--biodiesel--eutrophication--fatty acids--feedstocks--fuels--lipids--reservoirs (water)--sedimentology--thermochemistry--sediments--biodiesel--fresh water--iodine--organic matter--biofuel--bottom water--combustion--eutrophic environment--eutrophication--fatty acid--lacustrine deposit--physicochemical property--reservoir--transformation--article--estuary--eutrophication--fatty acid analysis--lake--lipid composition--priority journal--sediment--khakassia--krasnoyarsk [krasnoyarsk (ads)]--krasnoyarsk [russian federation]--lake shira--russian federation
Аннотация: We studied lipids and fatty acids (FA) in bottom sediments from four Siberian water bodies, Bugach, Lesnoi and Krasnoyarsk freshwater reservoirs and brackish Shira lake, that differed in physico-chemical and biological conditions. We considered the potential of the bottom sediments as a feedstock for biodiesel production and estimated properties of the obtained biodiesel as a fuel on the basis of FA composition. Contents of lipids and FA in the sediments moderately varied and were generally close to the reported data from lacustrine and estuarine systems. We confirmed that long-term eutrophication of a water body resulted in the lipid-rich bottom sediments that make them a feedstock for biodiesel production. Each of the studied water bodies had specific FA composition of sediments likely due to different organic matter sources and transformation processes. Despite these differences in FA profiles, calculated key parameters (cetane number, iodine number and heat of combustion) of biodiesel produced from all the studied sediments met the limits established by current biodiesel standards. Thus, the variation in the sediment FA composition due to environmental characteristics of a water body likely has no principal significance for fuel properties of the obtained biodiesel. В© 2013 Elsevier Ltd.
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bezmaternykh D. M., Puzanov A. V., Kotovshchikov A. V., Drobotov A. V., Tolomeev A. P.
Заглавие : Hydrochemical Indicators of Water Quality in the Norilsk-Pyasino Lake-River System after a Diesel Fuel Spill at Norilsk Heat and Power Plant 3 in 2020
Колич.характеристики :12 с
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2021. - Vol. 14, Is. 4. - С. 323-334. - ISSN 1995-4255, DOI 10.1134/S1995425521040028. - ISSN 1995-4263(eISSN)
Примечания : Cited References:22
Аннотация: The results of a hydrochemical analysis of the consequences of an accidental fuel release in the Norilsk-Pyasino water system are presented. The pollution of watercourses in the catchment of Lake Pyasino (a nameless (Nadezhdinsky) creek, the Daldykan River, and the Ambarnaya River) with oil products, phenols, easily oxidizable and hard to oxidize organic matter (COD, PO, and BOD5), suspended solids, inorganic salts, and heavy metals at concentrations exceeding the background levels and MPC for fishery water bodies, as well as a temperature rise in waters of the nameless creek near Norilsk Heat and Power Plant 3 (CHPP-3), have been revealed. The contamination of the surface water decreases downstream in ascending order: nameless creek-Daldykan River-Ambarnaya River. The occurrence of oil products, phenols, and organic substances in the surface waters 2 months after the fuel spill is obviously due to their diffusion from the river bottom sediments, which accumulated a considerable quantity of heavy fractions of diesel fuel after the accident. Increased concentrations of Ca, Cu, Zn, Mn, Co, and Ni in the waters of the studied tributaries of Lake Pyasino are not directly related to the accident; they result from the general technogenic pollution of the territory and the increased geochemical background for these elements. Water contamination with oil products and phenols in the studied areas of Lake Pyasino (its central and northern parts) and the Pyasino River has not been detected. However, Pb concentrations exceed the MPC and Cd is recorded in the water, which is probably due to pollutants that accumulated in previous years.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bezmaternykh D. M., Puzanov A. V., Kotovshchikov A. V., Drobotov A. V., Tolomeev A. P.
Заглавие : Hydrochemical Indicators of Water Quality in the Norilsk–Pyasino Lake–River System after a Diesel Fuel Spill at Norilsk Heat and Power Plant 3 in 2020
Место публикации : Contemp. Probl. Ecol.: Pleiades journals, 2021. - Vol. 14, Is. 4. - С. 323-334. - ISSN 19954255 (ISSN), DOI 10.1134/S1995425521040028
Аннотация: Abstract: The results of a hydrochemical analysis of the consequences of an accidental fuel release in the Norilsk–Pyasino water system are presented. The pollution of watercourses in the catchment of Lake Pyasino (a nameless (Nadezhdinsky) creek, the Daldykan River, and the Ambarnaya River) with oil products, phenols, easily oxidizable and hard to oxidize organic matter (COD, PO, and BOD5), suspended solids, inorganic salts, and heavy metals at concentrations exceeding the background levels and MPC for fishery water bodies, as well as a temperature rise in waters of the nameless creek near Norilsk Heat and Power Plant 3 (CHPP-3), have been revealed. The contamination of the surface water decreases downstream in ascending order: nameless creek–Daldykan River–Ambarnaya River. The occurrence of oil products, phenols, and organic substances in the surface waters 2 months after the fuel spill is obviously due to their diffusion from the river bottom sediments, which accumulated a considerable quantity of heavy fractions of diesel fuel after the accident. Increased concentrations of Ca, Cu, Zn, Mn, Co, and Ni in the waters of the studied tributaries of Lake Pyasino are not directly related to the accident; they result from the general technogenic pollution of the territory and the increased geochemical background for these elements. Water contamination with oil products and phenols in the studied areas of Lake Pyasino (its central and northern parts) and the Pyasino River has not been detected. However, Pb concentrations exceed the MPC and Cd is recorded in the water, which is probably due to pollutants that accumulated in previous years. © 2021, Pleiades Publishing, Ltd.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volova T.G., Voinov N.A.
Заглавие : Kinetic Parameters of a Culture of the Hydrogen-Oxidizing Bacterium Ralstonia eutropha Grown under Conditions Favoring Polyhydroxybutyrate Biosynthesis
Место публикации : Applied Biochemistry and Microbiology. - 2003. - Vol. 39, Is. 2. - С. 166-170. - ISSN 00036838 (ISSN) , DOI 10.1023/A:1022585912873
Ключевые слова (''Своб.индексиров.''): hydrogen--poly(3 hydroxybutyric acid)--article--bacterial growth--bacterium culture--biosynthesis--controlled study--culture medium--density--fermentation--gas--gravimetry--heat exchange--nonhuman--oxidation--ralstonia eutropha--surface tension--temperature dependence--thermogenesis--bacteria (microorganisms)--ralstonia--wautersia eutropha
Аннотация: Kinetic parameters of a culture of the hydrogen-oxidizing bacterium Ralstonia eutropha grown on a gas substrate under conditions favoring autotrophic biosynthesis of polyhydroxybutyrate were studied. The following parameters, making it possible to control and optimize the process in industrial situations, were determined: specific rate of substrate consumption, physical properties of the culture medium, and coefficients of heat emission and mass transfer.
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volova T.G., Voinov N.A.
Заглавие : Kinetic parameters of a culture of the hydrogen-oxidizing bacterium Ralstonia eutropha grown under conditions favoring polyhydroxybutyrate biosynthesis
Колич.характеристики :5 с
Место публикации : Appl. Biochem. Microbiol.: MAIK NAUKA/INTERPERIODICA, 2003. - Vol. 39, Is. 2. - P166-170. - ISSN 0003-6838, DOI 10.1023/A:1022585912873
Примечания : Cited References: 15
Предметные рубрики: ALCALIGENES
Аннотация: Kinetic parameters of a culture of the hydrogen-oxidizing bacterium Ralstonia eutropha grown on a gas substrate under conditions favoring autotrophic biosynthesis of polyhydroxybutyrate were studied. The following parameters, making it possible to control and optimize the process in industrial situations, were determined: specific rate of substrate consumption, physical properties of the culture medium, and coefficients of heat emission and mass transfer.
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