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Effect of salinity on the biochemical composition of the alga Botryococcus braunii Kutz IPPAS H-252 / N. O. Zhila, G. S. Kalacheva, T. G. Volova // Journal of Applied Phycology. - 2011. - Vol. 23, Is. 1. - P47-52, DOI 10.1007/s10811-010-9532-8 . - ISSN 0921-8971
Кл.слова (ненормированные):
Botryococcus -- Fatty acid composition -- Lipid content -- Salinity -- algae -- Botryococcus -- Botryococcus braunii
Аннотация: The effect of 0.3 and 0.7 M NaCl on biomass yield, total nitrogen content, intracellular lipid content, and fatty acid profile of the lipids of the alga Botryococcus braunii IPPAS H-252 in different phases of the culture cycle was studied. The presence of sodium chloride in the medium inhibited the growth of algal cells for the first 3 days of the experiment, causing a decrease in total nitrogen, enhanced synthesis of triacylglycerols, and considerable changes in the lipid fatty acid profile: decreases in polyenoic acid contents (from 68.34% to 29.38% and 12.8%) and proportions of long-chain saturated acids (from 0.53% to 5.3% and 14.13% of the total fatty acids) at 0.3 M NaCl and 0.7 M NaCl, respectively. In later phases of the culture, at 0.3 M NaCl, the content of polyenoic acids rose to the values characteristic of the active growth phase of this alga. At 0.7 M NaCl, the proportion of polyenoic acids grew less significantly, but biomass concentration and total nitrogen increased, similarly to the experiment with 0.3 M NaCl. В© 2010 Springer Science+Business Media B.V.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Akademgorodok, 50, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk 660041, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zhila, N.O.; Kalacheva, G.S.; Volova, T.G.

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Use of halophytic plants for recycling NaCl in human liquid waste in a bioregenerative life support system / Y. Balnokin [et al.] // Advances in Space Research. - 2010. - Vol. 46, Is. 6. - P768-774, DOI 10.1016/j.asr.2010.03.020 . - ISSN 0273-1177
Кл.слова (ненормированные):
Biological life support system -- Halophytes -- Human waste recycling -- NaCl recycling -- A plants -- Biological life support systems -- Biomass productions -- Bioregenerative life support systems -- Daily ration -- Europaea -- Growth conditions -- Halophytes -- Halophytic plants -- Human waste -- Liquid wastes -- Nutrient solution -- Optimal conditions -- Salicornia europaea -- Body fluids -- Liquids -- Nutrients -- Plant shutdowns -- Plants (botany) -- Recycling -- Sodium alloys -- Sodium chloride
Аннотация: The purpose of this work was to develop technology for recycling NaCl containing in human liquid waste as intrasystem matter in a bioregenerative life support system (BLSS). The circulation of Na+ and Cl- excreted in urine is achieved by inclusion of halophytes, i.e. plants that naturally inhabit salt-rich soils and accumulate NaCl in their organs. A model of Na+ and Cl- recycling in a BLSS was designed, based on the NaCl turnover in the human-urine-nutrient solution-halophytic plant-human cycle. The study consisted of (i) selecting a halophyte suitable for inclusion in a BLSS, and (ii) determining growth conditions supporting maximal Na + and Cl- accumulation in the shoots of the halophyte growing in a nutrient solution simulating mineralized urine. For the selected halophytic plant, Salicornia europaea, growth rate under optimal conditions, biomass production and quantities of Na+ and Cl- absorbed were determined. Characteristics of a plant production conveyor consisting of S. europaea at various ages, and allowing continuity of Na+ and Cl - turnover, were estimated. It was shown that closure of the NaCl cycle in a BLSS can be attained if the daily ration of fresh Salicornia biomass for a BLSS inhabitant is approximately 360 g. В© 2010 COSPAR. Published by Elsevier Ltd. All rights reserved.

Scopus
Держатели документа:
K.A. Timiryazev Plant Physiology Institute, Russian Academy of Sciences, 127276 Moscow, Russian Federation
Institute of Biophysics, Siberian Branch of Russian Academy of Sciences, 660036 Krasnoyarsk, Russian Federation
TEC-MCT, ESA/Estec, 1 Keplerlaan, 2201 AG Noordwijk, Netherlands
Universite Blaise Pascal, LGCB, Polytech'Clermont-Ferrand, BP206, 63174 Aubire cedex, France : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Balnokin, Y.; Nikolai, M.; Popova, L.; Tikhomirov, A.; Ushakova, S.; Lasseur, C.; Gros, J.-B.

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A biological method of including mineralized human liquid and solid wastes into the mass exchange of bio-technical life support systems / S. A. Ushakova [et al.] // Advances in Space Research. - 2012. - Vol. 50, Is. 7. - P932-940, DOI 10.1016/j.asr.2012.05.023 . - ISSN 0273-1177
Кл.слова (ненормированные):
Bio-technical life support system -- Conveyor-grown uneven-aged communities of wheat and Salicornia -- Utilization of human wastes -- Age groups -- Biological methods -- Dry weight -- Expanded clay -- Harvest index -- Human waste -- Leafy vegetables -- Liquid wastes -- Mass exchange -- Mineral element -- Nutrient solution -- Plant communities -- Salicornia europaea -- Salt content -- Time interval -- Uneven-aged -- Water culture -- Wheat biomass -- Conveyors -- Incineration -- Irrigation -- Minerals -- Nutrients -- Plants (botany) -- Productivity -- Sodium chloride -- Waste incineration -- Waste utilization -- Liquids
Аннотация: The main obstacle to using mineralized human solid and liquid wastes as a source of mineral elements for plants cultivated in bio-technical life support systems (BLSS) is that they contain NaCl. The purpose of this study is to determine whether mineralized human wastes can be used to prepare the nutrient solution for long-duration conveyor cultivation of uneven-aged wheat and Salicornia europaea L. plant community. Human solid and liquid wastes were mineralized by the method of "wet incineration" developed by Yu. Kudenko. They served as a basis for preparing the solutions that were used for conveyor-type cultivation of wheat community represented by 5 age groups, planted with a time interval of 14 days. Wheat was cultivated hydroponically on expanded clay particles. To reduce salt content of the nutrient solution, every two weeks, after wheat was harvested, 12 L of solution was removed from the wheat irrigation tank and used for Salicornia europaea cultivation in water culture in a conveyor mode. The Salicornia community was represented by 2 age groups, planted with a time interval of 14 days. As some portion of the nutrient solution used for wheat cultivation was regularly removed, sodium concentration in the wheat irrigation solution did not exceed 400 mg/L, and mineral elements contained in the removed portion were used for Salicornia cultivation. The experiment lasted 4 months. The total wheat biomass productivity averaged 30.1 gВ·m -2В·day -1, and the harvest index amounted to 36.8%. The average productivity of Salicornia edible biomass on a dry weight basis was 39.3 gВ·m -2В·day -1, and its aboveground mass contained at least 20% of NaCl. Thus, the proposed technology of cultivation of wheat and halophyte plant community enables using mineralized human wastes as a basis for preparing nutrient solutions and including NaCl in the mass exchange of the BLSS; moreover, humans are supplied with additional amounts of leafy vegetables. В© 2012 COSPAR. Published by Elsevier Ltd. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Siberian State Technological University, 82, Mir Avenue, Krasnoyarsk 660049, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Ushakova, S.A.; Tikhomirov, A.A.; Tikhomirova, N.A.; Kudenko, Y.A.; Litovka, Y.A.; Anishchenko, O.V.

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Assessment of the possibility of establishing material cycling in an experimental model of the bio-technical life support system with plant and human wastes included in mass exchange / A. A. Tikhomirov [et al.] // Acta Astronautica. - 2011. - Vol. 68, Is. 9-10. - P1548-1554, DOI 10.1016/j.actaastro.2010.10.005 . - ISSN 0094-5765
Кл.слова (ненормированные):
Biological-technical life support system -- Photosynthesizing unit -- Utilization of plant and human wastes -- Biological substrates -- Chemical component -- Experimental models -- Human waste -- Life support systems -- Mass exchange -- Mass transfer process -- Material cycling -- Photosynthesizing unit -- Physicochemical methods -- Pilot model -- Plant biomass -- Plant wastes -- Recycled products -- Salicornia europaea -- Simultaneous use -- Soil-like substrate -- Utilization of plant and human wastes -- Sodium chloride -- Substrates -- Waste incineration -- Waste utilization
Аннотация: A pilot model of a bio-technical life support system (BTLSS) including human and plant wastes has been developed at the Institute of Biophysics SB RAS (Krasnoyarsk, Russia). This paper describes the structure of the photosynthesizing unit of the system, which includes wheat, chufa and vegetables. The study substantiates the simultaneous use of neutral and biological substrates for cultivating plants. A novel physicochemical method for the involvement of human wastes in the cycling has been employed, which enables the use of recycled products as nutrients for plants. Inedible plant biomass was subjected to biological combustion in the soil-like substrate (SLS) and was thus involved in the system mass exchange; NaCl contained in native urine was returned to the human through the consumption of Salicornia europaea, an edible salt-concentrating plant. Mass transfer processes in the studied BLSS have been examined for different chemical components. В© 2009 Elsevier Ltd. All rights reserved.

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Держатели документа:
SB RAS Institute of Biophysics, Akademgorodok 50/50, Krasnoyarsk 660036, Russian Federation
Blaise Pascal University, France
ESA-ESTEC, Netherlands : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Tikhomirov, A.A.; Ushakova, S.A.; Velichko, V.V.; Tikhomirova, N.A.; Kudenko, Y.A.; Gribovskaya, I.V.; Gros, J.-B.; Lasseur, C.

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Some methods for human liquid and solid waste utilization in bioregenerative life-support systems / S. A. Ushakova [et al.] // Applied Biochemistry and Biotechnology. - 2008. - Vol. 151, Is. 2-3. - P676-685, DOI 10.1007/s12010-008-8291-3 . - ISSN 0273-2289
Кл.слова (ненормированные):
Closure -- Human waste -- Life-support systems -- Salicornia -- Sodium chloride -- Above-ground biomass -- Biological lives -- Bioregenerative -- Closure -- Cultivation process -- Culture methods -- Human waste -- Irrigation waters -- Life-support systems -- Manned space missions -- Mineral elements -- Physico-chemical methods -- Salicornia -- Salicornia europaea -- Salt-tolerant -- Soil-like substrates -- Biomass -- Body fluids -- Electrodialysis -- Grain (agricultural product) -- Irrigation -- Liquids -- Metal refining -- Minerals -- Mining -- Oxidation -- Plant shutdowns -- Sodium chloride -- Soils -- Solid wastes -- Substrates -- Water supply -- Vegetation -- article -- biomass -- controlled study -- electrodialysis -- halophyte -- irrigation (agriculture) -- microclimate -- nonhuman -- recycling -- Salicornia europaea -- solid waste -- bioremediation -- dialysis -- feces -- goosefoot -- growth, development and aging -- human -- methodology -- salt tolerance -- urine -- waste management -- wheat -- Batis maritima -- Salicornia -- Salicornia europaea -- Triticum aestivum -- Biodegradation, Environmental -- Chenopodiaceae -- Dialysis -- Feces -- Humans -- Life Support Systems -- Salt-Tolerance -- Triticum -- Urine -- Waste Management
Аннотация: Bioregenerative life-support systems (BLSS) are studied for developing the technology for a future biological life-support system for long-term manned space missions. Ways to utilize human liquid and solid wastes to increase the closure degree of BLSS were investigated. First, urine and faeces underwent oxidation by Kudenko's physicochemical method. The products were then used for root nutrition of wheat grown by the soil-like substrate culture method. Two means of eliminating sodium chloride, introduced into the irrigation solution together with the products of urine oxidation, were investigated. The first was based on routine electrodialysis of irrigation water at the end of wheat vegetation. Dialysis eliminated about 50% of Na from the solution. This desalinization was performed for nine vegetations. The second method was new: after wheat cultivation, the irrigation solution and the solution obtained by washing the substrate containing mineral elements not absorbed by the plants were used to grow salt-tolerant Salicornia europaea L. plants (saltwort). The above-ground biomass of this plant can be used as a food, and roots can be added to the soil-like substrate. Four consecutive wheat and Salicornia vegetations were cultivated. As a result of this wheat and Salicornia cultivation process, the soil-like substrate salinization by NaCl were considerably decreased. В© 2008 Humana Press.

Scopus
Держатели документа:
Institute of Biophysics, Russian Academy of Science, Siberian Branch, 660036 Krasnoyarsk, Russian Federation
K.A. Timiraziev Institute of Plant Physiology, Russian Academy of Science, 35 Botanisheskaya, 127276 Moscow, Russian Federation
LGCB, Universite Blaise Pascal, Polytech'Clermont-Ferrand, P.O. Box 206, 63174 Aubiere cedex, France : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Ushakova, S.A.; Zolotukhin, I.G.; Tikhomirov, A.A.; Tikhomirova, N.A.; Kudenko, Yu.A.; Gribovskaya, I.V.; Balnokin, Yu.; Gros, J.B.

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Possibility of Salicornia europaea use for the human liquid wastes inclusion into BLSS intrasystem mass exchange / N. A. Tikhomirova [et al.] // Acta Astronautica. - 2008. - Vol. 63, Is. 7-10. - P1106-1110, DOI 10.1016/j.actaastro.2008.01.003 . - ISSN 0094-5765
Кл.слова (ненормированные):
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.

Scopus
Держатели документа:
Institute of Biophysics, Russian Academy of Sciences, Siberian Branch, Akademgorodok, 660036 Krasnoyarsk, Russian Federation
LGCB, Universite B. Pascal, CUST, BP206, 63174 Aubie're, cedex, France : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Tikhomirova, N.A.; Ushakova, S.A.; Tikhomirov, A.A.; Kalacheva, G.S.; Gros, J.-B.

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Biological and physicochemical methods for utilization of plant wastes and human exometabolites for increasing internal cycling and closure of life support systems / I. G. Zolotukhin [et al.] // Advances in Space Research. - 2005. - Vol. 35, Is. 9 SPEC. ISS. - P1559-1562, DOI 10.1016/j.asr.2005.01.006 . - ISSN 0273-1177
Кл.слова (ненормированные):
BLSS -- Desalting -- Higher plants -- NaCl utilization -- SLS -- Biomass -- Crops -- Decomposition -- Electrodialysis -- Harvesting -- Metabolites -- Soils -- Wastes -- BLSS -- Higher plants -- NaCl utilization -- SLS -- Plants (botany) -- Biomass -- Decay -- Deionization -- Harvesting -- Plants -- Soil -- Wastes -- Wheat -- sodium chloride -- article -- biomass -- bioremediation -- culture medium -- feces -- growth, development and aging -- human -- metabolism -- methodology -- microbiology -- microclimate -- urine -- waste management -- wheat -- Biodegradation, Environmental -- Biomass -- Culture Media -- Ecological Systems, Closed -- Feces -- Humans -- Life Support Systems -- Sodium Chloride -- Soil Microbiology -- Triticum -- Urine -- Waste Management
Аннотация: Wheat was cultivated on soil-like substrate (SLS) produced by the action of worms and microflora from the inedible biomass of wheat. After the growth of the wheat crop, the inedible biomass was restored in SLS and exposed to decomposition ("biological" combustion) and its mineral compounds were assimilated by plants. Grain was returned to the SLS in the amount equivalent to human solid waste produced by consumption of the grain. Human wastes (urine and feces) after physicochemical processing turned into mineralized form (mineralized urine and mineralized feces) and entered the plants' nutrient solution amounts equal to average daily production. Periodically (once every 60-70 days) the nutrient solution was partly (up to 50%) desalinated by electrodialysis. Due to this NaCl concentration in the nutrient solution was sustained at a fixed level of about 0.26%. The salt concentrate obtained could be used in the human nutrition through NaCl extraction and the residuary elements were returned through the mineralized human liquid wastes into matter turnover. The control wheat cultivation was carried out on peat with use of the Knop nutrient solution. Serial cultivation of several wheat vegetations within 280 days was conducted during the experiment. Grain output varied and yield/harvest depended, in large part, upon the amount of inedible biomass returned to SLS and the speed of its decomposition. After achieving a stationary regime, (when the quantity of wheat inedible biomass utilized during vegetation in SLS is equal to the quantity of biomass introduced into SLS before vegetation) grain harvest in comparison with the control was at most 30% less, and in some cases was comparable to the control harvest values. The investigations carried out on the wheat example demonstrated in principle the possibility of long-term functioning of the LSS photosynthesizing link based on optimizations of biological and physicochemical methods of utilization of the human and plants wastes. The possibilities for the use of these technologies for the creation integrated biological-physicochemical LSS with high closure degree of internal matter turnover are discussed in this paper. В© 2005 Published by Elsevier Ltd on behalf of COSPAR.

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

Доп.точки доступа:
Zolotukhin, I.G.; Tikhomirov, A.A.; Kudenko, Yu.A.; Gribovskaya, I.V.

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Influence of high concentrations of mineral salts on production process and NaCl accumulation by Salicornia europaea plants as a constituent of the LSS phototroph link / N. A. Tikhomirova [et al.] // Advances in Space Research. - 2005. - Vol. 35, Is. 9 SPEC. ISS. - P1589-1593, DOI 10.1016/j.asr.2005.01.055 . - ISSN 0273-1177
Кл.слова (ненормированные):
BLSS -- Intensity of PAR -- Mineral nutrition -- Productivity -- Salicornia europaea -- Biomass -- Concentration (process) -- Nitrogen -- Nutrition -- Photosynthesis -- Productivity -- Sodium chloride -- Bioregenerative life support systems (BLSS) -- Intensity of PAR -- Mineral nutrition -- Salicornia europaea -- Plants (botany) -- calcium -- magnesium -- nitrogen -- phosphorus -- potassium -- sodium chloride -- sulfur -- urea -- biomass -- conference paper -- culture medium -- dose response -- drug effect -- goosefoot -- growth, development and aging -- human -- light -- metabolism -- microclimate -- radiation exposure -- urine -- Biomass -- Calcium -- Chenopodiaceae -- Culture Media -- Dose-Response Relationship, Drug -- Ecological Systems, Closed -- Humans -- Life Support Systems -- Light -- Magnesium -- Nitrogen -- Phosphorus -- Potassium -- Sodium Chloride -- Sulfur -- Urea -- Urine
Аннотация: Use of halophytes (salt-tolerant vegetation), in a particular vegetable Salicornia europaea plants which are capable of utilizing NaCl in rather high concentrations, is one of possible means of NaCl incorporation into mass exchange of bioregenerative life support systems. In preliminary experiments it was shown that S. europaea plants, basically, could grow on urine pretreated with physicochemical processing and urease-enzyme decomposing of urea with the subsequent ammonia distillation. But at the same time inhibition of the growth process of the plants was observed. The purpose of the given work was to find out the influence of excessive quantities of some mineral elements contained in products of physicochemical processing of urine on the production process and NaCl accumulation by S. europaea plants. As the content of mineral salts in the human liquid wastes (urine) changed within certain limits, two variants of experimental solutions were examined. In the first variant, the concentration of mineral salts was equivalent to the minimum salt content in the urine and was: K - 1.5 g/l, P - 0.5 g/l, S - 0.5 g/l, Mg - 0.07 g/l, Ca - 0.2 g/l. In the second experimental variant, the content of mineral salts corresponded to the maximum salt content in urine and was the following: K - 3.0 g/l, P - 0.7 g/l, S - 1.2 g/l, Mg - 0.2 g/l, Ca - 0.97 g/l. As the control, the Tokarev nutrient solution containing nitrogen in the form of a urea, and the Knop nutrient solution with nitrogen in the nitrate form were used. N quantity in all four variants made up 177 mg/l. Air temperature was 24 В°C, illumination was continuous. Light intensity was 690 ?mol/m2s of photosynthetically active radiation. NaCl concentration in solutions was 1%. Our researches showed that the dry aboveground biomass of an average plant of the first variant practically did not differ from the control and totaled 11 g. In the second variant, S. europaea productivity decreased and the dry aboveground biomass of an average plant totaled 8 g. The increase of K quantity in the experimental solutions resulted in an elevated content of the element in the plants. The increase of K uptake in the second experimental variant was accompanied by a 30-50% decrease of Na content in comparison with the other variants. Comparative Na content in the other variants was practically identical. N, Mg and P content in the control and experimental variants was also practically identical. The increase of S quantity in the second experimental variant also increased S uptake by the plants. But Ca quantity, accumulated in aboveground plants biomass in the experimental variants was lower than in the control. NaCl uptake by plants, depending on the concentration of mineral salts in the experimental solutions, ranged from 8 g (maximum salt content) up to 15 g (minimum salt content) on a plant growth area that totaled 0.032 m2. Thus, high concentrations of mineral salts simulating the content of mineral salts contained in urine did not result in a significant decrease of S. europaea productivity. The present work also considers the influence of higher light intensity concentrations on productivity and NaCl accumulation by S. europaea plants grown on experimental solutions with high salt content. В© 2005 COSPAR. Published by Elsevier Ltd. All rights reserved.

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

Доп.точки доступа:
Tikhomirova, N.A.; Ushakova, S.A.; Kovaleva, N.P.; Gribovskaya, I.V.; Tikhomirov, A.A.

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The possible way of introducing mineral elements of liquid human wastes into the material cycle in biological life support systems / A. A. Tikhomirov [et al.] // International Astronautical Federation - 55th International Astronautical Congress 2004. - 2004. - Vol. 3: International Astronautical Federation - 55th International Astronautical Congress 2004 (4 October 2004 through 8 October 2004, Vancouver) Conference code: 69653. - P1442-1448
Кл.слова (ненормированные):
Biomass -- Body fluids -- Hydrogen peroxide -- Life support systems (spacecraft) -- Solid wastes -- Biological life support systems -- Intrasystem material cycle -- Liquid human wastes -- Plant biomass -- Waste management
Аннотация: Along with the atmosphere, water and food regeneration processes in biological life support systems it is important to provide units and links responsible for utilization of unused plant biomass, human wastes and returning, if possible, the most of wastes into the intrasystem material cycle. The experience on construction of biological life support systems (BLSS) gained by the Institute of Biophysics SB RAS (Krasnoyarsk, Russia) allows us to suggest constructing an integrated biological-physical-chemical life support system with the biological unit predominating. It is possibly to partially mineralize urine and solid wastes by "wet incineration" by hydrogen peroxide in electric field. We suggest decomposing urea by a urease-enzymatic method using soybean or canavalia flour containing sufficient amount of urease. Consumption of 1.5 g of flour for decomposition of urea in daily urine and the possibility of producing flour from soybeans and canavalia grown inside the system make this method of urea decomposition rather prospective. Further ammonia distillation using the nitrification unit and evaporation of solution would make possible to return nitrogen and water back into the intrasystem cycle. Probably, in long-duration space expeditions the utilization of urine would be confined only by extraction of nitrogen and water from urine with further removal of dry residue to the stock, as the problem of returning sodium chloride into the intrasystem cycling has not been solved yet. As all biogenic elements contained in urine (except nitrogen) get lost at that, the solution of the problem with introducing NaCl and mineral elements into the cycle with the help of halophyte plants Salicornia europaea are of sufficient interest. This work presents the experimental results of growing Salicornia europaea on model solutions containing biogenic elements in the amounts equivalent to their content in urine and on urine, which undergone physically-chemically treatment by peroxide and ammonia distillation after urease-enzymatic decomposition. Taking into consideration that the mineral elements content in urine can vary, 2 variants of model solutions were used. In the first variant the content of P was 8-fold, S - 7-fold, K - 8-fold higher than in Knop's solution; the content of Ca and Mg almost complied with that in Knop's solution. In the variant P was 12-fold, S - 17-fold, K - 17-fold, Ca - 6-fold and Mg was 8-fold higher than in Knop's solution. The content of N and NaCl in both variants was the same and constituted 0.18 g/l and 10 g/l respectively. The results of carried experiments showed that growing plants on urine treated in the above-mentioned way is possible; though the productivity of plants would be less than on model solutions. The reasons of plant productivity drop and the possible ways of their removal have been discussed.

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Держатели документа:
Institute of Biophysics, SB, RAS, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Tikhomirov, A.A.; Gitelson, J.I.; Ushakova, S.A.; Kovaleva, N.P.; Tikhomirova, N.A.; Gribovskaya, I.V.

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10.

Potential of salt-accumulating and salt-secreting halophytic plants for recycling sodium chloride in human urine in bioregenerative life support systems / N. A. Tikhomirova [et al.] // Advances in Space Research. - 2011. - Vol. 48, Is. 2. - P378-382, DOI 10.1016/j.asr.2011.03.016 . - ISSN 0273-1177
Кл.слова (ненормированные):
BLSS -- Limonium gmelinii -- Mineral nutrition -- NaCl -- Salicornia europaea -- BLSS -- Limonium gmelinii -- Mineral nutrition -- NaCl -- Salicornia europaea -- Body fluids -- Pilot plants -- Recycling -- Silicate minerals -- Sodium chloride -- Plants (botany)
Аннотация: This study addresses the possibility of growing different halophytic plants on mineralized human urine as a way to recycle NaCl from human wastes in a bioregenerative life support system (BLSS). Two halophytic plant species were studied: the salt-accumulating Salicornia europaea and the salt-secreting Limonium gmelinii. During the first two weeks, plants were grown on Knop's solution, then an average daily amount of urine produced by one human, which had been preliminarily mineralized, was gradually added to the experimental solutions. Nutrient solutions simulating urine mineral composition were gradually added to control solutions. NaCl concentrations in the stock solutions added to the experimental and control solutions were 9 g/L in the first treatment and 20 g/L in the second treatment. The mineralized human urine showed some inhibitory effects on S. europaea and L. gmelinii. The biomass yield of experimental plants was lower than that of control ones. If calculated for the same time period (120 d) and area (1 m 2), the amount of sodium chloride taken up by S. europaea plants would be 11.7 times larger than the amount taken up by L. gmelinii plants (486 g/m 2 vs. 41 g/m 2). Thus, S. europaea is the better choice of halophyte for recycling sodium chloride from human wastes in BLSS. В© 2011 COSPAR. Published by Elsevier Ltd. All rights reserved. 25.

Scopus
Держатели документа:
Institute of Biophysics, Russian Academy of Sciences, Siberian Branch, 50 Akademgorodok, Krasnoyarsk 660036, Russian Federation
K.A. Timiryazev Plant Physiology Institute, Russian Academy of Sciences, 35 Botanicheskaya St., Moscow 127276, Russian Federation
Universite Blaise Pascal, LGCB, Polytech, BP 206, 36174 Aubiere, France
TFC-MCT, ESA/Estec, 1 Keplerlaan, 2201 AG Noordwijk, Netherlands : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Tikhomirova, N.A.; Ushakova, S.A.; Kudenko, Yu.A.; Gribovskaya, I.V.; Shklavtsova, E.S.; Balnokin, Yu.V.; Popova, L.G.; Myasoedov, N.A.; Gros, J.-B.; Lasseur, Ch.

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11.

Effect of photosynthetically active radiation, salinization, and type of nitrogen nutrition on growth of Salicornia europaea plants / S. A. Ushakova [et al.] // Russian Journal of Plant Physiology. - 2006. - Vol. 53, Is. 6. - P785-792, DOI 10.1134/S1021443706060094 . - ISSN 1021-4437
Кл.слова (ненормированные):
NaCl salinization -- Photosynthetically active radiation -- Productivity -- Salicornia europaea -- Types of nitrogen nutrition -- Salicornia europaea
Аннотация: Effects of various combinations of nutrient solution salinity (0.3, 171, and 342 mM NaCl), photosynthetically active radiation (PAR) of 600 or 1150 ?mol/(m2 s), and type of nitrogen nutrition (amide-N or nitrate-N) on the productivity and the content of accumulated mineral nutrients and free amino acids were studied in Salicornia europaea plants. At PAR of 600 ?mol/(m2 s), plant productivity increased with elevation of salinity level; at 1150 ?mol/(m2 s), the maximum productivity was observed in the plants grown at 171 mM of NaCl. The content of free amino acids in shoots, regardless of PAR, decreased with growing salinity level, whereas Na content, on the opposite, increased. Glutamic acid, rather than proline, was shown to be the main organic osmolyte in this plant species. Comparison of the productivity of plants grown on solutions with amide (urea) or nitrate nitrogen showed that higher biomass accumulation was achieved in the former case. В© 2006 Nauka/Interperiodica.

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

Доп.точки доступа:
Ushakova, S.A.; Kovaleva, N.P.; Tikhomirova, N.A.; Gribovskaya, I.V.; Kolmakova, A.A.

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12.

Effect of NaCl concentration on productivity and mineral composition of Salicornia europaea as a potential crop for utilization NaCl in LSS / S. A. Ushakova [et al.] // Advances in Space Research. - 2005. - Vol. 36, Is. 7. - P1349-1353, DOI 10.1016/j.asr.2004.09.017 . - ISSN 0273-1177
Кл.слова (ненормированные):
Life support system -- NaCl -- Salicornia europaea -- Space biology -- Calcium -- Concentration (process) -- Minerals -- Photosynthesis -- Plants (botany) -- Salinity measurement -- Sodium chloride -- Vegetation -- Life support systems -- Liquid wastes -- NaCl -- Salicornea europea -- Space biology -- Space research
Аннотация: The accumulation of solid and liquid wastes in manmade ecosystems presents a problem that has not been efficiently solved yet. Urine, containing NaCl, are part of these products. This is an obstacle to the creation of biological systems with a largely closed material cycling, because the amount of solid and liquid wastes in them must be reduced to a minimum. A possible solution to the problem is to select plant species capable of utilizing sufficiently high concentrations of NaCl, edible for humans, and featuring high productivity. Until recently, the life support systems have included the higher plants that were either sensitive to salinization (wheat, many of the legumes, carrot, potato, maize) or relatively salt-resistant (barley, sugar beet, spinach). Salicomia europaea, whose above-ground part is fully edible for humans, is one of the most promising candidates to be included in life support systems. It is reported in the literature that this plant is capable of accumulating up to 50% NaCl (dry basis). Besides, excessive accumulation of sodium ions should bring forth a decrease in the uptake of potassium ions and other biogenic elements. The aim of this work is to study the feasibility of using S. europaea plants in growth chambers to involve NaCl into material cycling. Plants were grown in vegetation chambers at the irradiance of 100 or 150 W/m2 PAR (photosynthetically active radiation) and the air temperature 24 В°C, by two methods. The first method was to grow the plants on substrate - peat. The peat was supplemented with either 3% NaCl (Variant 1) or 6% NaCl (Variant 2) of the oven-dry mass of the peat. The second method was to grow the plants in water culture, using the solution with a full complement of nutrients, which contained 0.0005% of NaCl, 1% or 2%. The study showed that the addition of NaCl to the substrate or to the solution resulted in the formation of more succulent plants, which considerably increased their biomass. The amount of NaCl uptake was the highest in the plants grown in water culture, 2.6 g per plant. As the sodium uptake increased, the consumption of potassium and the sum of the reduced N forms decreased twofold. The uptake of calcium and magnesium by plants decreased as the NaCl concentration increased; the smallest amounts were taken up by S. europaea grown in water culture. Salinity had practically no effect on the uptake of phosphorus and sulfur. Thus, S. europaea is a promising candidate to be included in life support systems; of special interest is further research on growing these plants in water culture. В© 2005 COSPAR. Published by Elsevier Ltd. All rights reserved.

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

Доп.точки доступа:
Ushakova, S.A.; Kovaleva, N.P.; Gribovskaya, I.V.; Dolgushev, V.A.; Tikhomirova, N.A.

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13.

Влияние солености среды на рост и биохимический состав цианобактерии Spirulina platensis [Текст] : научное издание / Т. А. Зотина, А. Я. Болсуновский, Г. С. Клачева // Биотехнология. - 2000. - № 1. - С. 85-88 . - ISSN 0234-2758

ГРНТИ

34.27.19

Кл.слова (ненормированные):
спирулина -- выделения человека -- хлорид натрия -- рециркуляция -- солетолерантность
Аннотация: При использовании цианобактерий в качестве регенерационного звена, способного утилизировать выделения человека, их рост может ингибироваться хлоридом натрия, к-рый в больших количествах выделяется из организма человека и может накапливаться в культуральной среде при многократной рециркуляции. Влияние повышенных концентраций хлорида натрия на спирулину может проявляться при биологической очистке сточных вод. Повышенная соленость среды может также выступать фактором, способным изменить биохимический состав биомассы. Исследовали влияние конц-ий NaCl на рост цианобактерии Spirulina platensis. Показано, что исследованный штамм обладает сравнительно высокой солетолерантностью и способен расти при конц-ии NaCl до 70 г/л. В диапазоне конц-ий NaCl 1- 30 г/л не обнаружено значительного ингибирующего влияния соли на скорость роста и состав биомассы. Россия, Ин-т биофизики СО РАН, г. Красноярск, 660036. Библ. 13
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Зотина, Татьяна Анатольевна; Болсуновский, Александр Яковлевич; Калачева, Г. С.

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14.

Direct utilization of human liquid wastes by plants in a closed ecosystem / G. M. Lisovsky [et al.] // Advances in Space Research. - 1997. - Vol. 20, Is. 10. - P1801-1804 . - ISSN 0273-1177
Кл.слова (ненормированные):
fertilizer -- nitrogen -- sodium chloride -- urea -- article -- biomass -- culture medium -- feasibility study -- human -- metabolism -- methodology -- microclimate -- sewage -- urine -- waste management -- wheat -- Biomass -- Culture Media -- Ecological Systems, Closed -- Feasibility Studies -- Fertilizers -- Humans -- Nitrogen -- Sodium Chloride -- Triticum -- Urea -- Urine -- Waste Disposal, Fluid -- Waste Management
Аннотация: Model experiments in phytotrons have shown that urea is able to cover 70% of the demand in nitrogen of the conveyer cultivated wheat. At the same time wheat plants can directly utilize human liquid wastes. In this article by human liquid wastes the authors mean human urine only. In a long-term experiment on "man-higher plants" system with two crewmen, plants covered 63 m2, with wheat planted to - 39.6 m2. For 103 days, complete human urine (total amount - 210.7 1) wassupplied into the nutrient solution for wheat. In a month and a half NaCl supply into the nutrient solution stabilized at 0.9-1.65 g/l. This salination had no marked effect on wheat production. The experiment revealed the realistic feasibility to directly involve liquid wastes into the biological turnover of the life support system. The closure of the system, in terms of water, increased by 15.7% and the supply of nutrients for wheat plants into the system was decreased. Closedness of biological turnover of matter in a man-made "man - higher plants" ecological system might involve, among other processes, direct utilization of human liquid wastes by plants. The amount of urine comprises 15-20% of the total amount of water cycling within the system including water as part of food, household, hygiene and potable water necessary for man. What is more, it they contains most nitrogen-bearing compounds emitted by man, almost all of the NaCl and some other substances involved in the biological turnover. Human liquid wastes can be utilized either by preliminary physical-chemical treatment (evaporating or freezing out the water, finally oxidizing the organic matter, isolating the mineral components required for plants, etc.) and further involvement of the obtained products or by direct application into the nutrient solution for plants. The challenge of direct utilization is that plants have no need of Na+ and Cl-, and also the organic forms of nitrogen emitted by man cannot fully meet the demand of plants forthis element. Besides, hygienic and/or psychological reasons make it desirable to avoid direct use of liquid wastes in the nutrient solutions that would have direct contact with edible part of plants (tubers, roots, bulbs). Feasibility of direct utilization of liquid wastes by plants in a closed "man - higher plants" ecosystem has been experimentally studied on wheat - grain culture as a model plant with the edible part in the form of seeds spatially dissociated with the nutrient medium. The wheat covered 60-65% of the area under higher plants. The studies have been carried out in "Bios-3"experimental facility described in detail elsewhere (Lisovsky, 1979; Gitelson et al., 1989). В© 1997 COSPAR. Published by Elsevier Science Ltd.

Scopus
Держатели документа:
Inst. Biophys.-Russ. Acad. of Sci., Siberian Branch, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Lisovsky, G.M.; Gitelson, J.I.; Shilenko, M.P.; Gribovskaya, I.V.; Trubachev, I.N.

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15.

^a343.27.51^2VINITI
К 41

Кинетика роста дрожжей С. tropicalis 29-10 pH-стате при адаптации к хлористому натрию [Текст] : научное издание / Н. С. Печуркин [и др.] // Контроль и упр. биотехнол. процессами. Тез. Всес. конф., Горький, 20-24 мая, 1985. - Горький, 1985. - С. 30-31

ГРНТИ

34.27.51

РУБ 343.27.51
Рубрики:
CANDIDA TROPICALIS 29-10
   РЕЗИСТЕНТНОСТЬ К NACL
   КИНЕТИКА РОСТА
   ДРОЖЖИ
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Печуркин, Н.С.; Фуряева, А.В.; Тушкова, Г.И.; Псьман, Т.И.; Саубенова, М.Г.; Мухамедиева, У.С.; Пузыревская, О.М.

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16.

Effect of salinity on the growth of the cyanobacterium Spirulina platensis in monoculture and mixed cultures [Text] / A. Y. Bolsunovskii, T. A. Zotina // Microbiology. - 1996. - Vol. 65, Is. 3. - P371-372. - Cited References: 5 . - 2. - ISSN 0026-2617

РУБ Microbiology

Аннотация: The effect of NaCl concentrations on the growth of the cyanobacterium Spirulina platensis in monoculture and in mixed culture with the green halophilic alga Dunaliella salina was studied. The,growth rate of S. platensis in monoculture did not change within the salinity range from 1 to 20 g/l NaCl. With an increase in salinity, the growth rate declined, and, at 70 g/l NaCl, the cyanobacteria died. The response of S. platensis to changes in salinity in mixed culture with D. salina did not differ from that observed in monoculture. At a concentration of 50 g/l NaCl these species of microorganisms could coexist.
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Bolsunovskii, A.Y.; Zotina, T.A.

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17.

Salt-dependent inhibition of light emitting of the luminescent microorganism Escherichia coli Z9051 [Текст] / A. N. Boyandin, L. Y. Popova // Biofizika. - 2001. - Vol. 46, Is. 2. - С. 251-255. - Cited References: 12 . - 5. - ISSN 0006-3029

РУБ Biophysics

Кл.слова (ненормированные):
bacterial luminescence -- recombinant plasmid -- salt concentration
Аннотация: The influence of some mineral salts on the recombinant strain Escherichia coli Z9051 was investigated. It was shown that the composition (NaCl, Na2SO4, MgCl2 and MgSO4) and concentration (5 and 10%) of the salts substantially affect the expression of genes for the luminescence system of fight-emitting bacteria cloned in the plasmid under the control of the lac-promoter. In some cases, the luminescence level of the microorganism in the presence of salts was similar to the luminescence level under catabolite repression by glucose, the more strong influence of the salts exceeding the effect of catabolite repression. The possibility of adaptation of the genetically modified microorganism to the salinity factor is discussed.

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

Доп.точки доступа:
Boyandin, A.N.; Popova, L.Y.

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18.

^a341.29.15.15.19^2VINITI
Ж 72

Жила, Н. О.
Влияние солености среды на рост и биохимический состав зеленой микроводоросли Botryococcus braunii Kutz IPPAS H-252 [Текст] : научное издание / Н. О. Жила, Г. С. Калачева, Т. Г. Волова // Ж. Сиб. федер. ун-та. Биология. - 2011. - Т. 4, N 3. - С. 229-242 . - ISSN 1997-1389

ГРНТИ

34.29.15

РУБ 341.29.15.15.19
Рубрики:
CHLOROPHYTA (ALGAE)
   BOTRYOCOCCUS BRAUNII (ALGAE)
   РОСТ
   БИОХИМИЧЕСКИЙ СОСТАВ
   СОЛЕНОСТЬ СРЕДЫ
   ВЛИЯНИЕ
Аннотация: Исследовано влияние солености на рост одноклеточной водоросли Botryococcus braunii Kutz IPPAS H-252, содержание общего азота и липидов, а также состав жирных к-т (ЖК), каротиноидов и углеводородов в биомассе. Показано, что присутствие в среде NaCl (0,3 М и 0,7 М) в течение первых трех суток ингибировало рост водоросли, приводило к снижению содержания общего азота и увеличению доли триацилглицеринов. Кроме того, в присутствии NaCl на третьи сутки произошли значительные изменения в составе ЖК водоросли, заключающиеся в снижении содержания полиненасыщенных к-т (ПНЖК) (до 29,4 и 12,8% от суммы ЖК), увеличении доли олеиновой к-ты (до 20,0 и 21,8%) и длинноцепочечных насыщенных ЖК (до 5,3 и 14,1%) при 0,3 и 0,7 М NaCl соответственно. На 7 и 12-е сутки (при 0,3 М NaCl) содержание ПНЖК было таким же, кaк и в фазе активного роста водоросли. Увеличение доли ПНЖК при 0,7 М NaCl было менее значительным, но так же, как и при 0,3 М NaCl, увеличивались биомасса культуры и концентрация общего азота в клетках, что свидетельствует о возможности адаптации данной водоросли к исследованным конц-иям NaCl
: 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Калачева, Г.С.; Волова, Т.Г.

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19.

Physical-chemical treatment of wastes: A way to close turnover of elements in LSS [Text] / Y. A. Kudenko, I. V. Gribovskaya, I. G. Zolotukhin // Acta Astronaut. - 2000. - Vol. 46, Is. 9. - P. 585-589, DOI 10.1016/S0094-5765(00)00007-2. - Cited References: 14 . - ISSN 0094-5765

РУБ Engineering, Aerospace

Аннотация: Man-plants-physical-chemical unit system designed For space stations or terrestrial ecohabitats to close steady-state mineral, water and gas exchange is proposed. The physical-chemical unit is to mineralize all inedible plant wastes and physiological human wastes (feces, urine, gray water) by electromagnetically activated hydrogen peroxide in an oxidation reactor. The final product is a mineralized solution containing all elements balanced for plants' requirements. The solution has been successfully used in experiments to grow wheat, beans and radish. The solution was reusable: the evaporated moisture was replenished by the phytotron condensate. Sodium salination of plants was precluded by evaporating reactor-mineralized urine to sodium saturation concentration to crystallize out NaCl which can be used as food for the crew. The remaining mineralized product was brought back for nutrition of plants. The gas composition of the reactor comprises O(2), N(2), CO(2), NH(3), H(2). At the reactor's output hydrogen and oxygen were catalyzed into water, NH(3) was converted in a water trap into NH(4) and used for nutrition of plants. A special accessory at the reactor's output may produce hydrogen peroxide from intrasystem water and gas which makes possible to close gas loops between LSS components. (C) 2000 Elsevier Science ttd. All rights reserved.

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

Доп.точки доступа:
Kudenko, Y.A.; Gribovskaya, I.V.; Zolotukhin, I.G.

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20.

Salt-dependent inhibition of light emitting of the luminescent microorganism Escherichia coli Z9051 [Текст] / A. N. Boyandin, L. Y. Popova // Biofizika. - 2001. - Vol. 46, Is. 2. - P. 251-255. - Cited References: 12 . - ISSN 0006-3029

РУБ Biophysics

Кл.слова (ненормированные):
bacterial luminescence -- recombinant plasmid -- salt concentration
Аннотация: The influence of some mineral salts on the recombinant strain Escherichia coli Z9051 was investigated. It was shown that the composition (NaCl, Na2SO4, MgCl2 and MgSO4) and concentration (5 and 10%) of the salts substantially affect the expression of genes for the luminescence system of fight-emitting bacteria cloned in the plasmid under the control of the lac-promoter. In some cases, the luminescence level of the microorganism in the presence of salts was similar to the luminescence level under catabolite repression by glucose, the more strong influence of the salts exceeding the effect of catabolite repression. The possibility of adaptation of the genetically modified microorganism to the salinity factor is discussed.

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

Доп.точки доступа:
Boyandin, A.N.; Popova, L.Y.

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