Dagestan State University
Author list of organization
List of articles written by the authors of the organization
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Description
Based on the information stored in the system of database management, biodiversity indices with special accent on measures of species richness are comparatively studied for Carabid beetles in various areas of the East Caucasus. Biodiversity indices are shown to be dependent on sampling or collecting techniques, sample size, geographic localization and its area
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ANALYZE OF THE LIVING FORM OF CARABIDAE’S IMAGO IN TERSKO-KUMSCKAY LOWLAND OF DAGESTAN
Description
The results of the morpho-ecological adaptations of imago carabidae researches in Tersko-Kumsckay lowland of Dagestan are exposed in this article. The species composition of carabidae in area was classified according to the Sharova’s system of living form and the detailed analyze has been done in this work
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ARCHETYPES IN RELIGION: FUNCTIONS AND METHODS OF RESEARCH
Description
The concept of archetype, introduced by Swiss psychoanalyst Karl G. Jung, eventually went beyond psychoanalytic research area. The concept of archetype was represented in philosophical and cultural context and in each of them, it has acquired a specific connotation. Being the structural elements of the human mentality, archetypes take key position in the culture. Their formative functions contribute to the expression of archetypes on the level of mythology and religion. These eternal symbols, originated from the depths of consciousness, are implemented universally and spontaneously, being manifested largely in religious culture. The article is devoted to the peculiarities of the functioning of the archetypes and identification of their main functions. In addition to that, this article marks the problem of choosing methodology for archetype research. This research allowed to identify the main function of archetypes such as regulative, integrative, protective and communicative
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Description
The features of functioning of the reef modules are studied in the conditions of north and middle parts of the Caspian sea in the district of knocking down of depths. Quantitative descriptions of benthos associations are set in the district of setting of artificial reefs and in their zone of influence. The estimation of efficiency of module constructions is executed. Optimal materials and structural decisions, most suitable for the terms of district of researches are specified
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DAGESTAN HAWTHORN - A VALUABLE SOURCE OF BIOLOGICALLY ACTIVE SUBSTANCES
Description
The article deals with hawthorn Dagestan. It is noted that the more than 100 species are found 14 species in Dagestan. The most common of them are studied as a source of biologically active substances and nutrients, and they can be used as food additives for various purposes. The content of biologically active substances and nutrients are defined. The high content of phenolic substances in C. pentagyna Waldst. et Kit, which play an important role in the formation of immunity and possessing P-vitamin activity is defined. Amino acid and fatty acid composition of the fruit of the hawthorn Crataegus pentagyna Waldst. et Kit, as the most valuable for using as food additives is defined by ionexchange and gas-liquid chromatography. Sixteen amino acids were identified and quantified in the protein component of hawthorn fruit. The high content of essential amino acids such as lysine, threonine, valine, methionine, leucine, isoleucine, phenylalanine. The amount of essential amino acids is 296.1 mg / 100 g. Chromatographic separation of fatty acid methyl esters has enabled us to establish the presence of the following fatty acids: palmitic, oleic, stearic, linoleic and linolenic, including established the presence of essential fatty acids - the family of alpha-linolenic acid OMEGA -3 and linoleic acid family of OMEGA -6
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INVESTIGATION OF ASCORBIC ACID ADSORPTION ON KSMG SILICA GEL
Description
The article studies adsorption of ascorbic acid on KSMG silicagel. The experimental results, the basic thermodynamic characteristics of ascorbic acid adsorption on oxide silicon have been used for treatment of adsorption mechanism of ascorbic acid on silica KSMG. Results of the study ascorbic acid adsorption on silica gel KSMG may be used for further identification of it in the various objects
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Description
The аrticle is devoted to study of adsorption of enzymes, antioxidants contained in horseradish root on starch to create enterosorbent with anti-oxidant properties. For this goal we have studied adsorption isotherm calculated constants, thermodynamic parameters (change of enthalpy, entropy, and isobaric-isothermal potential); sorption kinetics of enzyme-antioxidants on starch and calculate the main characteristics. The method of producing of enterosorbent - antioxidant on based starches has been developed based on the experimental data. The ready sorbent is a white powder having no taste and smell. In biological fluids and water, it is insoluble. The enterosorbent on starch does not dissolve in water and biological fluids. It is the solid component. This enterosorbent can be used to protect the gastrointestinal tract of humans and animals against a wide variety of oxidants and peroxide. The results of this work will form the basis for the study of the antioxidant properties of the resulting enterosorbent. The results showed that during the tests, the enterosorbent on the starch showed good antioxidant properties. It has high antioxidant activity with respect to hydrogen peroxide
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STUDY OF THE INTERACTION OF POLYSTYRENE-AZO-O-PHENOL-AZO-RHODANINE WITH ZINC IONS AND CADMIUM
Description
Since the industrial revolution a huge amount of pollutants emitted annually into the water most of which is occupied by toxic metals. These metals widely distributed in the environment and of accumulation of a threat to human health. It is known, that cadmium and zinc at high concentrations have a negative impact on nature. In modern wastewater treatment technology we widely use polymeric sorbents with chelating properties. The use of polymeric chelating sorbents (PCS) usage allows separating individual or group trace elements from large volumes of solutions of complex composition, lowering the limit of detection, eliminating or reducing significantly the impact of macrocomponents which increases the cleaning efficiency. The article presents the results of a study of conditions of interaction of zinc (II) ions and cadmium (II) with PCT - polystyrene-azo-o-phenol-azo-rhodanine. We found the optimal values of the conditions for zinc (II) ions and cadmium (II) sorption. We investigated the effect of interfering of the macro- and micro- water components with the sorption of the ions studied. Maximum desorption of metal ions is achieved by washing the concentrate with 10 ml of 2M hydrochloric acid. The data indicate availability of the investigated sorbent for concentration and separation of zinc (II) ions and cadmium (II)
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Description
The article contains the species composition of the four families of soil Coleoptera (ground beetles, scarab, beetles, darkling) marked for different agricultural crops of the Republic of Dagestan
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Description
The article cites the results of our studies of species composition of moths and their trophic communication as well as alternative types of plants used by owlet moths on the Nordovy island. Also, the article presents the species composition of fauna found on the island
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