Repost.
Life Sciences, Springer Link, selected articles. Authored, co-authored by Dr. Sergei A. Ostroumov, Moscow University.
** 117 Result(s) for 'ostroumov s.a.'
Life Sciences, Springer Link, selected articles.
Authored, co-authored by Dr. Sergei A. Ostroumov, Moscow University.
Authored, co-authored by Dr. Sergei A. Ostroumov, Moscow University.
http://5bio5.blogspot.com/2017/02/repost-life-sciences-springer-link.html
http://5bio5.blogspot.com/2014/09/life-sciences-springer-link-selected.html
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http://5bio5.blogspot.com/2014/09/life-sciences-springer-link-selected.html
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117 Results for 'ostroumov s.a.' - authorship, editorship, and citation;
Almost all of these articles are available free on ResearchGate: full texts and/or abstracts,
see:
https://www.researchgate.net/publication/309549177;
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Some examples, selected:
- 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... - Full text free: https://www.researchgate.net/publication/227317445_On_the_Multifunctional
- 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... - Full text free: https://www.researchgate.net/publication/200587396_Inhibitory_analysis
- 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
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
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
The Synecological Approach to the Problem of Eutrophication
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Inhibitory Analysis of Regulatory Interactions in Trophic Webs
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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 ... - Article
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
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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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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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New Definitions of the Concepts and Terms Ecosystem and Biogeocenosis
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Molecular characterization of PeNhaD1: the first member of the NhaD Na+/H+ antiporter family of plant origin
PeNhaD1 encodes a putative Na+/H+ antiporter from the salt-resistant tree Populus euphratica. It is the first characterization of a member of the NhaD type ion transporter family of plant origin.... - Article
Effects of sodium dodecyl sulfate on the growth dynamics and physiological state of the microalga Dunaliella salina (Chlorophyta)
This study deals with the effects of sodium dodecyl sulfate (SDS) (0.1, 1, and 10 mg/l) on the growth dynamics and physiological state of the microalga Dunaliella salina Teod. (Chlorophyta). The effects of SDS in... - Article
Contribution of biological processes to self-purification of water with respect to petroleum hydrocarbon associated with No. 0 diesel in Changjiang Estuary and Jiaozhou Bay, China
Mesocosms in 25-m3 ethylene vinyl acetate or 4-m3 polyethylene bags were performed at two sites in China: Changjiang Estuary in spring–summer 1998, and Jiaozhou Bay in autumn 1999 and spring–summer 2000. The expe... - 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... - 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
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
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... - Article
Andrey Kaulen (1951-2000)
- Article
A new observation on Halobacterium 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... - Article
Change in the anthropogenic geochemical impact on the biosphere
- Article
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, ... - Article
Pump and displacement currents of reconstituted ATP synthase on black lipid membranes
Purified ATP synthase (F 0 F 1) fromRhodospirillum rubrum was reconstituted into asolectin liposomes which were than adsorbed to a planar lipid bilayer. After the a...- Article
Infrared Methods for Monitoring the Protonation State of Carboxylic Amino Acids in the Photocycle of Bacteriorhodopsin
This review deals with the role of carboxylic amino acids in the proton-transport activity of bacteriorhodopsin. The main focus is on the infrared data, which allow direct monitoring of the protonation/deproto... - Article
Demonstration of the electrogenicity of proton translocation during the phosphorylation step in gastric H+K+-ATPase
Membrane fragments containing the H+K−-ATPase from parietal cells have been adsorbed to a planar lipid membrane. The transport activity of the enzyme was determined by measuring electrical currents via the capaci... - Article
Ecological relations of agricultural populations of ecdysteroid-containing plants Rhaponticum carthamoides (Willd.) Iljin andSerratula coronata L. with herbivorous insects report 2. Composition variability of phytoecdysteroids in agrocenoses and their role in the vulnerability of plants to phytophagans
The accumulation and variability of ecdysteroids, which are analogs of the insect molting hormones, were studied during ontogeny of agricultural populations of Rhaponticum carthamoides (Leuzea carthamoides DC.) a... - Article
Recently published papers in the field of molecular evolution
- Article
Are chloroplasts and mitochondria the remnants of prokaryotic endosymbionts?
Many natural and synthetic compounds are used in studying the relationships between semiautonomous cellular organelles and nueleocytoplasm. These studies, together with analyses of the organelle macromolecules...
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Influence of benthic and interstitial processes on nutrient changes along a regulated reach of a large river (Rhône River, France)
Benthic and hyporheic (i.e. the water-saturated interstitial zone beneath river bed-sediments) processes together modify particulate and dissolved nutrient fluxes in streams, but the relative importance of the...
- Article
Rhodopsin and other proteins in artificial lipid membranes
Some basic aspects of incorporation of hydrophobic peptides and proteins in artificial lipid membranes are discussed. As examples valinomycin as a carrier model and gramicidin A as a channel former in lipid vesic... - Article
Self-Purification of Water Current and the Role of Microbiological Transformation of Organic Matter in the System of the Selenga River and Its Delta
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Plant Biotests for Soil and Water Contaminated with Oil and Oil Products
Reactions of higher plants (mustard, oat, rye, lettuce, dill and barley) and microalgae (Euglena gracilis) to the contamination of soil and water with oil and oil products was studied. The germination of seeds wa... - Article
Herbicide bioconcentration in Cladophora glomerata: atrazine removal in a eutrophic agricultural river
Atrazine is the most commonly used agricultural herbicide in the midwestern cornbelt of the U.S.A. This project investigated atrazine bioconcentration in Cladophora glomerata (L.) Kütz, the dominant algae by biom...
Photochemical degradation of PAHs in freshwaters and their impact on bacterial growth – influence of water chemistry
Solar ultraviolet radiation both degrades and alters the quality of natural organic matter as well as organic pollutants in surface waters. Still, it is only recently that this indirect influence of photochemi...- Article
Inorganic carbon fluxes at the water–sediment interface in five littoral systems in Spain (southern Europe)
The benthic fluxes of dissolved inorganic carbon have been measured in five different littoral ecosystems in Spain (Southern Europe). The values measured by means of benthic chambers ranged between 30 and 378 ... - Article
Role of the clasping-leaved pondweed (Potamogeton perfoliatus) polysaccharides in formation of its bacterial environment
The effect of the polysaccharides of clasping-leaved pondweed (Potamogeton perfoliatus) on the formation of a bacteriocenosis of this plant was demonstrated by research on chemoreception, relative surface hydroph... - Article
Synergism of Metabolite Action in Plant Responses to Stresses
A diversity of unfavorable environmental factors determines complex interactions between phytohormones and signal elements and also the formation and combined action of metabolites in plants. This permits the ... - Article
Molecular assessment of the potential for in situ bioremediation of PCBs from aquatic sediments
Polychlorinated biphenyls (PCBs) are a family of xenobiotic compounds that are ubiquitous and oftentimes persistent environmental pollutants. As such, PCBs are a common target of sediment remediation efforts. ...
Performances of constructed wetlands for municipal wastewater treatment in rural mountainous area
A global performance evaluation of an experimental Horizontal SubSurface Flow Constructed Wetlands (HSSF) was made after 6 years of functioning. This wetland is situated in French prealpine mountain, at 720 m ...- Article
Functions of mitochondria: from intracellular power stations to mediators of a senescence program
In 1950 s I started in science by showing that non-phosphorylating respiration is critical for survival of an animal at low temperature. Later, in the 1960 s and 1970 s, I took part in verification of Mitchell... - Article
The role of sedimentation and resuspension for the transport of sediments and contaminants in the Skagerrak
An investigation was conducted in winter of 1997/1998 in the Skagerrak off southern Norway to collect data on the influence of sedimentation and resuspension on the transport of organic contaminants. Data from...
- Article
Oil decontamination of bottom sediments using Limnodrilus hoffmeisteri (Oligochaeta: Tubificidae)
Using aquatic worms (Oligochaeta: Tubificidae) for oil decontamination of bottom sediments has been first considered. In a set of experiments on Limnodrilus hoffmeisteri Claparede, 1862, worms survived the exposu... - Article
The effect of biological factors on the efficiency of river biofilms in improving water quality
Biofilms are an ensemble of autotrophs and heterotrophs, which are highly efficient in removing inorganic and organic compounds, as well as other chemicals, from river water. They are, therefore, key elements ... - Article
Changes in nutrient retention capacity of boreal aquatic ecosystems under climate warming: a simulation study
Loading, retention and release of nitrogen and phosphorus were studied for three growing seasons in experimental flow-through pond ecosystems, where impacts of rising temperature on the boreal zone were studie... - Article
Steroid alkaloids of the plant and animal Kingdoms
This review, which covers the literature for 1988–1996, gives new information on the occurrence of steroid alkaloids in Nature and discusses ecological and biogenetic aspects of their study. - Article
Kinetics of transient pump currents generated by the (H,K)-ATPase after an ATP concentration jump
(H,K)-ATPase containing membranes from hog stomach were attached to black lipid membranes. Currents induced by an ATP concentration jump were recorded and analyzed. A sum of three exponentials (τ - Article
Nitrate elimination by denitrification in hardwood forest soils of the Upper Rhine floodplain – correlation with redox potential and organic matter
Denitrification in floodplains is a major issue for river- and groundwater quality. In the Upper Rhine valley, floodplain forests are about to be restored to serve as flood retention areas (polders). Besides f... - Article
Fast charge translocations associated with partial reactions of the Na,K-pump: I. Current and voltage transients after photochemical release of ATP
Nonstationary electric currents are described which are generated by the Na,K-pump. Flat membrane sheets 0.2–1 μm in diameter containing a high density of oriented N,K-ATPase molecules are bound to a planar li... - Article
Proton transport by bacteriorhodopsin through an interface film
Interface films of purple membrane and lipid containing spectroscopically intact and oriented bacteriorhodopsin have been used as a model system to study the function of this protein. Small positive charges in... - Article
Primary steps of electron and energy transfer in photosystem I: Effect of excitation pulse wavelength
Time-resolved differential spectra of photosystem I complex were obtained by the “pump-probe” technique with 25-fs pulses with maxima at 670, 700, and 720 nm. The ratio between the number of excited chlorophyl...
- Article
In situ biofiltration: a means to limit the dispersal of effluents from marine finfish cage aquaculture
Net pen fish farms generally enrich the surrounding waters and the underlying sediments with nutrients and organic matter, and these loadings can cause a variety of environmental problems, such as algal blooms... - Article
Change of phytoplankton composition and biodiversity in Lake Sempach before and during restoration
Lake Sempach, located in the central part of Switzerland, has a surface area of 14 km2, a maximum depth of 87 m and a water residence time of 15 years. Restoration measures to correct historic eutrophication, inc... - Article
Dielectric and photoelectric properties of photosynthetic reaction centers
A brief review of studies of dielectric and photoelectric properties of photosynthetic reaction centers of purple bacteria as well as photosystem I and photosystem II of cyanobacteria and higher plants is give... - Article
Water Quality Quantification: Basics and Implementation
Quantitative estimation of water quality and its relationships with management activities is a necessary step in efficient water resources management. However, water quality is typically defined in abstract te...
- Article
Interactions between calcite precipitation (natural and artificial) and phosphorus cycle in the hardwater lake
The influence of calcite precipitation on the phosphorus cycle in stratified hardwater lake was studied before and during experiments with a new restoration technique. Surveys of the chemical composition of wa...
- Article
Microbial community analysis by FISH for mathematical modelling of selective enrichment of gel-entrapped nitrifiers obtained from domestic wastewater
Nitrifying activated sludge from natural domestic sewage was entrapped in hydrogel beads, which were subsequently enriched for nitrifiers in a continuous stirred tank reactor (CSTR). Fluorescently labelled, 16... - Article
Water purification using sand
Slow sand filters are used to purify drinking water. Each filter consists of a large tank containing a bed of sand through which water passes at typical rates of 0.1–0.3 m h−1. Water is cleaned by physico–chemica... - Article
Gravi- and Chemotropisms of the Primary Maize Roots when Affected by Lead and Cadmium
Gravity-imposed growth orientation was studied in the roots of three-day-old maize seedlings treated for 3 h with 10–5to 10–2-M lead and cadmium nitrate solutions. Cubic agar blocks (1 mm3) containing lead and ca... - Article
Heavy metals in the Rosetta estuary of the Nile and the adjoining Mediterranean waters: evidence of removal of dissolved heavy metals from waters as a result of possible binding to suspended matter
The Rosetta estuary was partially separated from the Rosetta branch of the Nile by Edfina Barrage, which controls the Nile discharge into the Mediterranean Sea. The study area covers the Rosetta estuary (lotic... - Article
What does Halobacterium tell us about photoreception?
A photosensory mechanism is proposed for Halobacterium halobium based on the observation of light-induced motor responses. Possible mechanisms of signal transduction in Halobacterium are discussed. Bacteriorhodop... - Article
The chromophore retinal in bacteriorhodopsin does not change its attachment site, lysine 216, during proton translocation and light-dark adaptation
In order to determine the attachment site(s) of the chromophore retinal in bacteriorhodopsin and to examine the possible occurrence of light-induced changes in its binding site, all accessible lysine residues ... - Article
Antioxidant enzyme complex of tissues of the bivalve Mytilus galloprovincialis Lam. under normal and oxidative-stress conditions: A review
The results of studies of tissue specifics of the enzymatic antioxidant complex of the bivalve Mytilus galloprovincialis Lam. are summarized. It is shown that the highest oxidative load is experienced by gills. T... - Article
Denitrification in the water column of an intermittently anoxic fjord
Denitrification was studied in the water column in the Bunnefjord, inner part of the Oslofjord in southern Norway, using a 15N-technique (the isotope pairing method). The fjord is 150 m deep and during our survey...
Photoelectrochemical Cycle of Bacteriorhodopsin
The scheme of the bacteriorhodopsin photocycle associated with a transmembrane proton transfer and electrogenesis is considered. The role of conformational changes in the polypeptide chain during the proton tr...
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Опубликовано 24th September 2014 пользователем Dr Green