Increased biosynthesis of secondary metabolites in callus cultures of Hyssopus officinalis L.
Currently, callus cultures of medicinal plants are actively used for the production of important biologically active compounds. Investigating conditions that enhance the biosynthesis of these compounds in callus cultures is highly relevant. This article examines the influence of various concentrations of phenylalanine and tyrosine (1—500 µM) on the content of phenolic ...
The assessment of the antioxidant status of medicinal plants from the collection of the botanical garden of the Immanuel Kant Baltic Federal University (Kaliningrad)
This article analyses the content of phenolic antioxidants and ascorbic acid in medicinal plants of 66 species from 31 families. The study identified palnt species with a maximum content of biologically active compounds (phenolic antioxidants and ascorbic acid) and high antioxidant activity. These plants can be used as a basis for the creation of innovative functional food products
that have high antioxidant activity.
1. Miliauskas G., Venskutonis P. R.,...
Effect of protatranes on cell development and biosynthesis of intracellular protein in the yeast Candida ethanolica BKM Y-2300 T
The use of synthetic growth stimulants is a promising approach to enhancing the productivity of the fermentation process. The advantages of such compounds include minimal consumption, stability during storage, and lower cost compared to natural growth stimulants. The aim of this study was to investigate the effects of protatrans on cell development and intracellular protein biosynthesis in the ...
Callus cultures of Spergularia marina (L.) Griseb.: obtaining and phytochemical analysis
... (L.) Griseb. is of particular interest, the biological activity and content of secondary metabolites of which have not been studied sufficiently. The purpose of this study was to obtain callus cultures, to study the content of some groups of phenolic compounds and the antioxidant activity of extracts. The study carried out the selection of growth regulators and concentrations that induce callus formation. 19 nutrient media were selected for the induction of S. marina callus cultures. The conducted ...
Reactions of dibenzothiazine amination of quinone derivatives on a «copper film»
Interest in nitrogen-containing heterocycles can be brought about by the possibility of obtaining organic compounds with new properties by introducing various substituents into the structure. The aim of this work is to aminate quinoid structures with dibenzothiazine to produce condensed heterocycles with a bridged nitrogen atom. It is the N-substituted ...
Obtaining certain heterocycles based on ureides and quinoid structures
The work aims to obtain some heterocycles based on ureides and quinoid structures. Derivatives of 1,3-benzodithiol-2, compounds based on toridol represent biologically active compounds. They can be used as fungicides and bactericides and as microbiological corrosion inhibitors. The authors offer small-stage syntheses for obtaining heterocycles of 4,7-dibrom-5-hydroxy-6-phenylbenzoxytyol-2,...
The impact of changes in dissolved organic carbon concentration in a solution on the sorption of platinum compounds
This article considers the impact of changing dissolved organic carbon concentration in a solution on the sorption of platinum (II), (IV) compounds (K2PtCl4, H2PtCl6) at different soil horizons. The authors prove that even small concentrations of dissolved organic carbon play an important role in platinum sorption in soil and background minerals.
1. Benjamin M. M., Leckie J. O. Conceptual ...
The effect of exogenous hormonal compounds on the process of regeneration in flatworms
... эндокринной функции у плоских червей // Вестник Балтийского федерального университета им. И. Канта. 2011. Вып. 7. С. 126—132.
6. Kudikina N. P. Effekt of Hormonal Compounds on Embryogenesis of the Ponds Snail Lymnaea stagnalis (L., 1758) // Russian Journal of Develohement Biology. 2010.Vol. 42, № 3. P. 179—184.
7. Кудикина Н. П. Экологические аспекты динамики стероидных ...
Comparison of the methods of total antioxidant activity analysis
... results of experiment demonstrate that the values of total antioxidant activity obtained through spectrophotometric and amperometric methods are comparable. The authors determined the relation between the total content of ascorbic acid and phenolic compounds in apples, pulp, and juice of the variety.
1. Зюзина А. В., Макарова Н. В. Восстановительный потенциал яблок // Качество продукции, технологий и образования ...
Corrosion and hydrogen absorption of cadmium-coated St3 steal in the presence of micromycota
This article focuses on the features of corrosion in Cd-coated st.3 steel in the presence of mycelium minces. The authors show the biocide and inhibitory role of certain N- and O- containing organic compounds in the process of mycelium corrosion and hydrogen absorption of Cd-coated steel.
1.
Iverson W.
P.
Biological corrosion // Adv. Corros. Sci. And Technol. 1972. Vol. 2. P. 1—42.
2.
Каневская И.
Г....
Influence of selenium nanoparticles on basic cultivation parameters and phytostimulating properties of Lactococcus lactis
... Bioengineering and Biotechnology. 2020. Vol. 8. P. 1—17. doi: 10.3389/ fbioe.2020.00506.
11.
Atanassova M., Dalgalarrondo M., Choiset Y. et al.
Isolation and partial biochemical characterization of a proteinaceous anti-bacteria and anti-yeast compound produced by
Lactobacillus paracasei
subsp. paracasei strain M3 // International Journal of Food Microbiology. 2003. Vol. 87, № 1-2. P. 63—73. doi: 10.1016/S0168-1605(03)00 054-0.
12.
Stoyanova
L., Ustiugova E., Netrusov A.
Antibacterial ...
The influence of temperature regime and spectral composition of light on the growth of biomass of the cyanobacterium Cyanobacterium sp. B-1200
Cyanobacteria are a promising source of biologically active compounds of various types and are of great interest for their use in biotechnological processes to obtain complexes or individual bioactive substances with different orientations. Selecting optimal cultivation conditions for cyanobacteria will contribute ...
Physical and chemical characteristics, antioxidant properties and the effect of the newly synthesized peptide on lipid deposition in cells
... rings, the number of atoms in the largest ring, overall charge, rigidity, flexibility, topological polar surface area, predicted solubility, and the number of acidic sites, suggests that this peptide could be effectively used as a biologically active compound. Furthermore, CG-16 demonstrated antioxidant activity and the ability to reduce lipid accumulation in cells.
Tikhonov S.L., Tikhonovа N.V.
peptides, physico-chemical characteristics, antigenicity, antioxidant properties, cellular lipids
...
The State Academy of Artistic Sciences versus Petrograd formalism: Verse theory. II. On Zhirmunsky’s “Rhyme, its history and theory”
... made by the philologist and philosopher Maksim Kœnigsberg and the literary scholar Mikhail Shtokmar, a student of Boris Yarkho at the State Academy of Artistic Sciences. In addition, the data from the newly discovered article by Maxim Kœnigsberg, “Compound Rhymes in the Lyrics of Innokentii Annenskii” (1924), is explored. The theses of Kœnigsberg’s exposé are published for the first time, with notes. The aim of the article is to reveal the polemical layer in the works of Moscow formalists....
Classification and characterisation of a new antimicrobial peptide
In recent years, significant progress has been achieved in AMP research, revealing the potential of these compounds as alternatives to traditional antibiotics. Due to the diverse mechanisms of action and a wide range of antibacterial activity, AMP provides new opportunities for preventing and treating multidrug-resistant infections by creating foods with ...
Peculiarities of the English loanwords top-, VIP- functioning in the modern Russian language
... времени // Studia Slavica Finlandensia. T. 14. Helsinki, 1997. S. 90—120.
18. Online Etymology Dictionary. URL:
www.etymonline.com
(дата обращения: 16.02.2021).
Shapovalenko E. V.
English loanwords, prepositive components, prefixoids, compounds, top-, VIP-
53-59
Compounds in Fyodor Ivanov’s texts (based on «A letter…» and «A petition…» of 1666)
This article draws a connection between compounds, on the one hand, and the general meaning of two documents from the manuscript legacy of an ideologist of the mid-17th-century Russian Orthodox schism and his worldview, on the other. The study aims to consider through the prism of diachronic ...
. Increased synthesis of secondary metabolites in the culture of bearded roots of Hyssopus officinalis L
... when phenylalanine and tyrosine were introduced into the nutrient medium at a concentration of 1 μM, the maximum increase in biomass was observed. The content of biologically active substances in the bearded roots of H. officinalis, such as phenolic compounds, flavonoids, hydroxycinnamic acids and the antioxidant activity of extracts, were higher when tyrosine was introduced into the nutrient medium compared with phenylalanine supplements.
Pungin A.V., Popova E.A., Lartseva L.O.
medicinal plant,...
The effect of volatile organic compounds on the content of photosynthetic pigments in reed fescue leaves Festuca arundinacea Schreb. in experiment terms (for example, limit, aromatic hydrocarbons and esters)
... the leaves of one of the most common representatives of the urban herbaceous plants — reed fescue Festuca arundinacea Schreb., in controlled experimental conditions. The content of pigments in the leaves in one day after treatment with organic compounds sharply decreases compared to three days occurred after treatment with pentane, hexane, benzene, as well as mixtures of pentane and hexane; pentane and hexane with benz(a)pyrene. The influence of o-xylol, benz(a)pyrene, butyl atetate; mixtures ...
Synthesis of some nitrogen-containing heterocycles based on benzotriazole and bromo-substituted and condensed quinones
In this article, we describe the process of obtaining nitrogen-containing heterocycles based on benzotriazole and bromo-substituted and condensed quinones. As known, nitrogen-containing heterocyclic compounds containing amide function are used in the synthesis of biologically active substances. One can expect products synthesized with quinones and heterocyclic amines of the benzotriazole series to have a wide spectrum of biological activity and other ...
The morphological features of the renal corpuscles in laboratory mice during a soluble silicon compound experiment
An excess of silicon compounds in the body leads to systemic deficiencies. Regardless of the way by which silicon compounds (silicon dioxide, asbestos, silicon, and silicon nanoparticles) enter the body, they always have a marked effect. It is established that these compounds ...
Daphnia magna Straus (1826) (Cladocera, Crustacea) as a test object for assessing endocrine disorders in aquatic organisms
... процесс регенерации у плоских червей // Вестник Российского государственного университета им. И. Канта. 2012. Вып. 7. С. 84—91.
17. Kudikina N. P. Effect of Hormonal Compounds of Embriogenesis of the Pond Snail Lymnaea stagnalis (L., 1758) // Journal of Developemental Biology. 2011. Vol. 42, № 3. P. 179—184.
18. Кудикина Н. П. Стероидные гормоны в жизненном цикле двустворчатых ...
Gender and seasonal characteristics of lipid exchange in people of different ages
A biochemical assay of blood lipids in military personnel and reservists was conducted. The influence of seasonal changes (spring, autumn) on the lipid compounds of blood serum was analyzed. A dependence between the total cholesterol level, the content of low-density (LDL) and high-density lipoproteins (HDL, and triglycerides and age and gender was identified.
1. Буганов А. А., Агбалян ...
Protection of steel from corrosion and hydrogen absorption by organic inhibitors: experimental and quantum-chemical studies
... hydrogen along the depth of steel by means of standard Gaussian function made it possible to establish the integral hydrogen content of the sub-layer (up to 80 μm) with high degree of accuracy. The efficiency of protective actions of the studied organic compounds against corrosion and hydrogen absorption by steel were compared with the data of quantum chemical computations performed for isolated molecules of the studied inhibitors with the help of the MNDO method. The results obtained point to
a difference ...
The pollution of Susuja river (the South of Sakhalin) with phosphates
The article explores the problem of organic compounds polluting natural watercurrents (on the example of Susuja waters phosphate pollution).
1.
Егоренков Л.
И., Кочуров Б.
И.
Геоэкология. М.: Финансы и статистика, 2005.
2.
Голубев ...
The corrosion of mild steel protected with modified paint coatings under the influence of Phialophora fastigiata
... as mild steel corrosion promoters. The authors show the biocidal and inhibitory role of a number of organic substances in steel corrosion under the influence of deuteromycetes Phialophora fastigiata. The protective effect observed in the best organic compounds reaches 70-90 %.
1.
Коррозия
металлов и защита от коррозии с помощью органических соединений. Охрана окружающей среды: сб. науч. тр., посвящ....
Microbiological corrosion of soft steel in water-salt medium containing sulfate-reducing bacteria
... Конашкова Л.
П.
Коррозия и защита металлов: сб. науч. тр.
Калининград, 1978. №
4.
Gribankova A. A., Myamina M. A., Beloglazov S. M.
steel corrosion, sulfate-reducing bacteria, biocide action, organic compounds,
hydrogen absorption of steel, Desulphоvibrio.
23-29
The distribution of hydrogen absorbed in the course of chromium plating in the base and surface layers of steel
This article analyses the hydrogen distribution profiles in the chromium plating and the steel base in the process of chromium electrodeposition in a standard bath, modified by organic compounds.
1.
Шлугер М.
А.
Ускорение и усовершенствование хромирования деталей машин. М., 1961.
2.
Белоглазов С.
М.
Наводороживание стали ...
A study into the effectiveness of modifying primer protective layers in St3 steel in case of corrosion initiated by Aspergillus niger
Mould fungi are of particular interest as metal destroying microorganisms. This paper presents the results of a study on a number of organic compounds as St3 steel corrosion inhibitors and fungicides against the Aspergillus niger. Electrochemical, microbiological and gravimetric analyses helped increase the protective action of modified primer on steel corroding under the effect of Aspergillus ...
СA comparative analysis of bioflavonoid accumulation by Trifolium pratense in the Kaliningrad region
... Л., 1979.
10.
Чупахина Г.
Н., Масленников П.
В.
Методы определения витаминов: практикум. Калининград, 2004.
Fedurayev P. V., Chupakhina G. N., Skrypnik L. N.
phenolic compounds, environmental factors, red clover.
63-68
On Fire. Dissertation for the Master’s Degree. Translation from the Latin into Russian, Preface and Notes by S. V. Lugovoy
... within square brackets. When the meaning of a word is translated in a form that departs from the original meaning due to context the Latin original is attached within round brackets in the grammatical form used by Kant. To facilitate understanding, long compound sentences of the Kantian text are sometimes broken up into several simple sentences. The structure of the text and title page format have been preserved. The translator would like to express sincere gratitude to Alexei N. Krouglov and Svyatopolk ...
Linguistic Means Expressing Argumentation in Judicial Discourse late 19th: The Prosecutor’s Speech in Dostoevsky’s The Brothers Karamazov
... identifies logical and psychological types of argumentation characteristic of the 19th-century courtroom speeches. Such speeches use a complex structure of theses and arguments and employ various pragmatic and rhetorical means and devices alongside compound and complex sentences. The force of persuasion of the prosecutor’s speech depends on its emotional effect on the jury. The author concludes that the distinctive characteristics of speeches delivered to present arguments in court stem from the ...
