Springer articles,
S.A. Ostroumov,
a part of the list;
https://5bio5.blogspot.com/2018/08/sp.html
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S.A. Ostroumov,
a part of the list;
https://5bio5.blogspot.com/2018/08/sp.html
494 Result(s) for 'S.A. Ostroumov'
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Toxicity testing of chemicals without use of animals
A series of publications on the studies of phytotoxicity of chemicals (pollutants, ecotoxicants), carried out by the author and his research group, have been reviewed. Tests (bioassays) based on experiments wi... - Article
On the Multifunctional Role of the Biota in the Self-Purification of Aquatic Ecosystems
Principles of the theory of the ecological mechanism of water self-purification based on multiple functions of the biota in freshwater and marine ecosystems are formulated. In developing this theory, the resul... - Article
Inhibitory analysis of top-down control: new keys to studying eutrophication, algal blooms, and water self-purification
Top-down control is an important type of interspecies interactions in food webs. It is especially important for aquatic ecosystems. Phytoplankton grazers contribute to the top-down control of phytoplankton pop... - Article
Some aspects of water filtering activity of filter-feeders
On the basis of the previous publications, our new data and the existing scientific literature, we have formulated some fundamental principles that characterize the pivotal roles of the biodiversity of filter-... - Article
Biocontrol of water quality: Multifunctional role of biota in water self-purification
The experimental data analysis, concepts, and generalizations in this article provide the fundamental elements of the qualitative theory of biocontrol of water quality in a systematized form. The theory covers... - Article
New Aspects of the Role of Organisms and Detritus in the Detoxification System of the Biosphere
The review covers new aspects of the participation of organisms in the detoxification system of the biosphere. Problems of detoxification of toxic environmental pollutants are analyzed. New author’s experiment... - Article
The Effect of Synthetic Surfactants on the Hydrobiological Mechanisms of Water Self-Purification
Long-term studies of the biological effect of surfactants, including the effect surfactants exert on filter feeders, are reviewed. The role of filter feeders in the functioning of freshwater and marine ecosyst... - Article
Water Quality and Conditioning in Natural Ecosystems: Biomachinery Theory of Self-Purification of Water
General principles of the theory of polyfunctional role of biota in self-purification of water in aquatic ecosystems have been formulated. The theory includes the following elements: (1) energy sources for sel... - Article
Inhibition of Mussel Suspension Feeding by Surfactants of Three Classes
Effects of three surfactants on the filtration rates by marine mussels were studied. The xenobiotics tested represented anionic, cationic and non-ionic surfactants (tetradecyltrimethylammonium bromide, a repre... - Article
Studying effects of some surfactants and detergents on filter-feeding bivalves
Effects of several surfactants and chemical mixtures on marine bivalves were studied. An anionic surfactant, sodium dodecylsulphate (SDS), and a cationic surfactant, tetradecyltrimethylammonium bromide (TDTMA)... - Article
Phytotoxicity of a surfactant-containing product towards macrophytes
Extending the studies of surfactant-containing products, we have investigated the effect of the Liquid Crystal Concentrate detergent on aquatic macrophytes Elodea canadensis within laboratory microcosms. It has b... - Article
Toxicity of gold nanoparticles for plants in experimental aquatic system
Increased production and use of nanomaterials can lead to new types of pollution of the environment, including aquatic ecosystems. Pollution of the aqueous environment with nanoparticles can be a new type of p... - Article
On Some Issues of Maintaining Water Quality and Self-Purification
Generalizations presented in this paper represent, in systematized form, the basic elements of the qualitative theory of water self-purification in freshwater and marine ecosystems. Recommendations are given f... - Article
The Synecological Approach to the Problem of Eutrophication
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Issues of the Study of Detritus in Aquatic Systems
In this paper, we present the analysis of the ecological roles of detritus and suspended particulate matter in aquatic ecosystems. New data that have been obtained for freshwater ecosystems of the central part... - Article
Inhibitory Analysis of Regulatory Interactions in Trophic Webs
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Immobilization of scandium and other chemical elements in systems with aquatic macrophyte
The possibility of immobilization of scandium and other chemical elements by biogenic materials derived from an aquatic macrophyte was explored. The concentrations of scandium and some other chemical elements ... - Article
Accelerated decrease in surfactant concentration in the water of a microcosm in the presence of plants: Innovations for phytotechnology
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Responses of Unio tumidusto Mixed Chemical Preparations and the Hazard of Synecological Summation of Anthropogenic Effects
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On the concepts of biochemical ecology and hydrobiology: Ecological chemomediators
Earlier, the author published two books and some papers, in which he described conceptual foundations of new scientific disciplines — biochemical ecology and biochemical hydrobiology. These trends in research ...
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On studying the hazards of pollution of the biosphere: Effects of sodium dodecylsulfate (SDS) on planktonic filter-feeders
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Basics of the molecular-ecological mechanism of water quality formation and water self-purification
The paper formulates some basics of the modern ecological theory of the polyfunctional role of biota in the molecular-ecological mechanism of water quality formation and self-purification of aquatic ecosystems... - Article
An Amphiphilic Substance Inhibits the Mollusk Capacity to Filter out Phytoplankton Cells from Water
The effect of synthetic anionic surface active substance (SAS) sodium dodecylsulfate (SDS, 4 mg/l) on the kinetics of water filtration by mussel Mytilus edulis was studied. A suspension of algae Isochrysis galban... - Article
The role of biodetritus in accumulation of elements in aquatic ecosystems
Biodetritus that formed over a 7-month period in microcosms with Viviparus viviparus, Unio pictorum, and Ceratophyllum demersum contained a number of elements. This is the first study to determine concentrations ... - Article
Identification of a New Type of Ecological Hazard of Chemicals: Inhibition of Processes of Ecological Remediation
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Decreasing the measurable concentrations of Cu, Zn, Cd, and Pb in the water of the experimental systems containing Ceratophyllum demersum: The phytoremediation potential
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The Hazard of a Two-Level Synergism of Synecological Summation of Anthropogenic Effects
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Biodiversity Protection and Quality of Water: The Role of Feedbacks in Ecosystems
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Imbalance of Factors Providing Control of Unicellular Plankton Populations Exposed to Anthropogenic Impact
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On the Biotic Self-purification of Aquatic Ecosystems: Elements of the Theory
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Effect of Amphiphilic Chemicals on Filter-Feeding Marine Organisms
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A New Type of Effect of Potentially Hazardous Substances: Uncouplers of Pelagial–Benthal Coupling
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Polyfunctional role of biodiversity in processes leading to water purification: current conceptualizations and concluding remarks
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Study of the interactions between Elodea canadensis and CuO nanoparticles
Copper is one of the key heavy metals that pollute environment and constitute a serious threat to the health of humans and ecosystems. Copper may enter the aquatic environment in both soluble and nanoparticle ... - Article
Biosorption of copper by biomass of extremophilic algae
Copper and lead are among the most important chemical pollutants of the environment including hydrosphere. Interaction of these heavy metals with biomass of aquatic plant organisms including algae is an area o... - Article
Effect of a Cationic Amphiphilic Compound on Rotifers
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System of Principles for Conservation of the Biogeocenotic Function and the Biodiversity of Filter-Feeders
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Pellets of Some Mollusks in the Biogeochemical Flows of C, N, P, Si, and Al
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Tolerance of an aquatic macrophyte Potamogeton crispus L. to sodium dodecyl sulphate
The effects of the anionic surfactant sodium dodecyl suplphate on the aquatic macrophyte Potamogeton crispus L. are studied. Concentrations of 83–133 mg/l caused fragmentation of the stems of plants. The toleranc... - Article
The aquatic macrophyte Ceratophyllum demersum immobilizes Au nanoparticles after their addition to water
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Light avoidance in Baikalian amphipods as a test response to toxicants
The dependence between the time of escape of Eulimnogammarus vittatus from light and toxicants in the medium has been studied. It has been shown that these amphipods display the most rapid response to light in pu... - Article
Water Quality of Effluent-dominated Ecosystems: Ecotoxicological, Hydrological, and Management Considerations
In arid and semi-arid regions of the southwestern United States and other parts of the world, flows of historically ephemeral streams are now perennially dominated by municipal and/or industrial effluent disch...
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A New Long-Term On Site Clean-Up Approach Applied to Non-Point Sources of Pollution
A new long-term approach to the cleaning-up of streams directly on site is proposed. This approach is based on the natural capacity of rivers to purify themselves through the discovered froth formation process... - Article
Purple membrane vesicles: Morphology and proton translocation
Purple membrane vesicles prepared by different techniques differ widely in their morphology and ability to establish a proton gradient in the light. The procedures used to prepare active vesicles do not comple... - Article
Abstracts of the 5th World Congress of Nuclear Medicine and Biology
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Bacteriorhodopsin-mediated photoelectric responses in lipid/water systems
Bacteriorhodopsin-mediated photopotential generation has been studied in two kinds of lipid/water systems: (1) decane solution of asolectin was used as the lipid phase; (2) a mixture of bacteriorhodopsin sheet... - Article
Comparative assessment of toxic effects of surfactants using biotesting methods
This study assesses the comparative sensitivity and possibility of obtaining fast results of various methods of biotesting for several surfactants: Tween 85, sodium dodecyl sulfate (SDS), Fairy dishwashing gel... - Article
A hypothesis of the evolution of biological energy transducers
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Study of hydrocarbon oxidizing microorganisms from deep groundwater of the Puchezh-Katunki impact structure
The presence of viable hydrocarbon-oxidizing microorganisms has been shown in the under-ground waters exposed by the Vorotilovskaya deep well (the Puchezh-Katunki astrobleme, 75 km north of Nizhny Novgorod, 19... - Article
Low-molecular-weight metabolites of aquatic macrophytes growing on the territory of Russia and their role in hydroecosystems
This article deals with the issues of studying low-molecular-weight volatile organic compounds (VOCs) of aquatic macrophytes growing in Russia under different environmental conditions and geographic regions. I...
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CLIMATE CHANGE, AGRICULTURE AND WETLANDS IN EASTERN EUROPE: VULNERABILITY, ADAPTATION AND POLICY
Naturally-occurring wetlands perform such functions as flood control, pollution filtration, nutrient recycling, sediment accretion, groundwater recharge and water supply, erosion control, and plant and wildlif...
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Andrey Kaulen (1951-2000)
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A new observation onHalobacterium halobium; light-induced volume flow through the whole organism
A new observation on theH. halobium cells is reported. It has been observed that when the cells are exposed to light a volume flow is observed through them. The magnitude of the light-induced volume flow depends ... - Article
Light-induced generation of electric potential difference in membranes of purple and green sulfur bacteria
When associated with a planar phospholipid membrane, chromatophores isolated from photosynthetic sulfur bacteriaChromatium minutissimum, Ectothiorhodospira shaposhnikovii, andChlorobium limicola f. thiosulfatophi...
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Change in the anthropogenic geochemical impact on the biosphere
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Photocurrents generated by bacteriorhodopsin on planar bilayer membranes
When purple-membrane fragments from Halobacterium halobium are added to one aqueous phase of a positively-charged black lipid membrane, the membrane becomes photoelectrically active. Under normal conditions th... - Article
Influence of laundry detergents on the abundance dynamics and physiological state of the benthic microalga Attheya ussurensis(Bacillariophyta) in laboratory culture
This study examines the influence of the detergents “Obychnyi poroshok” and “Ariel” (at 0.1, 1, and 10 mg/l) on the growth and physiological state of the benthic marine microalga Attheya ussurensis. Cell number, ...