Научные публикации в Scopus: Новые поступления

Отображаемые элементы 1281-1300 из 24551

Cross-validation strategies in QSPR modelling of chemical reactions

Rakhimbekova A.; Akhmetshin T.N.; Minibaeva G.I.; Nugmanov R.I.; Gimadiev T.R.; Madzhidov T.I.; Baskin I.I.; Varnek A. (2021)

In this article, we consider cross-validation of the quantitative structure-property relationship models for reactions and show that the conventional k-fold cross-validation (CV) procedure gives an ‘optimistically’ biased ...
IR Spectroscopic Analysis of the Supramolecular Structure of a Polyvinylidene-Based Polymer System

Kamalova D.I.; Abdrazakova L.R. (2021)

Abstract: An FTIR spectroscopic analysis is performed of the supramolecular structure of blends of polyvinylidene fluoride and polyvinyl butyral in compositions of different percentages. Temperature dependences are obtained ...
A Reversible Change in the Nonlinear Optical Properties of Polymer Electret Films Based on Methacrylic Copolymers

Shmelev A.G.; Mityshkin E.O.; Gaisin A.I.; Vakhonina T.A.; Mukhtarov A.S.; Leontyev A.V.; Zharkov D.K.; Nikiforov V.G.; Balakina M.Y.; Lobkov V.S. (2021)

Abstract: A reversible change is discovered in the quadratic optical nonlinearity of a methacrylic polymer with bi-chromophore fragments in the side chain. It is shown that long-term nonresonant irradiation with femtosecond ...
Applying Quantum Means to a Photon Contextual Query Using Bell Tests

Andrianov S.N.; Andrianova N.S.; Ablayev F.M.; Kalachev A.A.; Kochneva Y.Y.; Shkalikov A.V. (2021)

Abstract: The possibilities of generating a contextual query using the quantum Hyperspace Analogue to Language (HAL) model are analyzed. An approach to establishing a semantic connection between words in texts is developed ...
The Southern Part of Russian Far East and Korean Peninsula as a Transition Zone between the Boreal and Tropical Faunas of the Waterfleas (Cladocera, Crustacea)

Garibian P.G.; Neretina A.N.; Korovchinsky N.M.; Sinev A.Y.; Tchabovsky A.V.; Kotov A.A.; Smirnov N.N. (2021)

Abstract: Based on original data, the most complete and updated species list of the water fleas (Crustacea: Cladocera) of both the southern part of the Russian Far East and Korea is represented. In total, 122 taxa are ...
Fauna of Freshwater Harpacticoida (Copepoda) in the Lena River Delta

Novikov A.A.; Abramova E.N.; Sabirov R.M. (2021)

Abstract: The first description/overview of the freshwater copepod fauna of the order Harpacticoida from the Lena River delta is presented. Various habitats and regions were studied. As a result, we identified 18 species ...
Specific and Genetic Structure of the Daphnia longispina s. l. Complex (Cladocera, Daphniidae) in Water Bodies of Southern Siberia

Zuykova E.I.; Bochkarev N.A.; Kotov A.A. (2021)

Abstract—: Data on the species diversity, morphological variability, genetic structure, phylogeny, and phylogeography of the D. longispina s. l. group from water bodies of southern Siberia are summarized. The integrated ...
Morphophysiological and Ecological Characteristics of Melilotus officinalis (Fabaceae, Magnoliopsida) under Conditions of the Republic of Tatarstan

Dubrovnaya S.A.; Khusnetdinova L.Z.; Attobrah N.K. (2021)

Abstract—The morphological variability of the aerial vegetative and generative organs of yellow sweet clover (Melilotus officinalis) was studied in the ecotone communities of the forest–steppe and the forest zones of the ...
Influence of Porous Structure Heterogeneity on the Dynamics of Development of Interfacial Contacts in Two-Phase Flows with Viscous and Capillary Fingers

Zakirov T.R.; Khramchenkov M.G. (2021)

An investigation of the effect of capillary and viscous forces on the dynamics of the development of two types of interfacial contacts "injected fluid–ejected fluid" and "injected fluid–solid body" in the case of two-phase ...
Mathematical Simulation of a High-Frequency Low-Pressure Discharge with Gas Injection in Non-Local Approximation: Electro- and Plasmadynamics

Shemakhin A.Y.; Zheltukhin V.S.; Shemakhin E.Y. (2021)

The electro- and plasmadynamic parameters of a high-frequency discharge at a low pressure (13.3–200 Pa) with a gas blowing-through are investigated in a nonlocal approximation. A discharge in a cylindrical discharge tube ...
Mathematical Modeling of Unsaturated Filtration in Swelling Soils Using the Capillary-Rise Problem as an Example

Galiullina N.E.; Khramchenkov M.G.; Usmanov R.M. (2021)

A mathematical model of unsaturated filtration in swelling soils has been developed under the conditions of constancy of the entire volume of the medium. On the basis of the developed model, a solution to the problem on ...
Micellar Extraction of Active Components from Spices and Evaluation of the Ce(IV)-Based Reducing Capacity of the Extracts

Ziyatdinova G.K.; Budnikov H.C. (2021)

Abstract: We found the conditions for the micellar extraction of active components from spices using 0.1 M Brij® 35 as an extractant and intensifying the process with ultrasonic treatment. A single extraction for 10 min ...
Amperometric Tyrosinase Biosensors Modified by Nanomaterials of Different Nature for Determining Diclofenac

Beilinson R.M.; Yavisheva A.A.; Medyantseva E.P.; Budnikov H.C. (2021)

Abstract: We developed amperometric biosensors for the determination of diclofenac based on screen-printed platinum electrodes modified by carbon nanotubes in chitosan, fullerene C60 in Boltorn H20, gold nanoparticles in ...
An Electrode Based on Electropolymerized Sunset Yellow for the Simultaneous Voltammetric Determination of Chlorogenic and Ferulic Acids

Ziyatdinova G.K.; Guss E.V.; Morozova E.V.; Budnikov H.C. (2021)

Abstract: We developed an electrode based on multi-walled carbon nanotubes and electropolymerized Sunset Yellow FCF for the simultaneous voltammetric determination of chlorogenic and ferulic acids. Poly(Sunset Yellow) was ...
In situ Voltammetry Determination of Ascorbic and Oxalic Acids in Juices and Fruits Using an Electrode Modified by a Gold–Palladium Bimetallic System

Shaidarova L.G.; Chelnokova I.A.; Leksina Y.A.; Gedmina A.V.; Budnikov H.C. (2021)

Abstract: We developed a method for the selective and sensitive voltammetric determination of ascorbic and oxalic acids. A screen-printed electrode, modified by gold–palladium bimetallic system and exhibiting catalytic ...
Rhenium Nanoclusters as Modifiers of Immunosensors in the Determination of Tricyclic Antidepressants

Medyantseva E.P.; Gazizullina E.R.; Brusnitsyn D.V.; Ziganshin M.A.; Elistratova Y.G.; Mustafina A.R.; Brylev K.A.; Budnikov H.C. (2021)

Abstract: The properties of hexarhenium chalcogenide nanoclusters (K4[{Re6S8}(OH)6]·8H2O and K4[{Re6S8}(CN)6]·8H2O) in combination with carbon nanomaterials (carbon nanotubes and graphene oxide) are studied by voltammetry, ...
Determination of Organic Compounds in Aqueous–Organic and Dispersed Media Using Electrochemical Methods of Analysis

Evtyugin G.A.; Porfir’eva A.V. (2021)

Abstract: We considered capabilities of electrochemical analysis for the determination of organic compounds in aqueous-organic and dispersed media. The main factors affecting the electrochemical characteristics of analytes ...
Single-cell transcriptomics of human embryos identifies multiple sympathoblast lineages with potential implications for neuroblastoma origin

Kameneva P.; Artemov A.V.; Kastriti M.E.; Faure L.; Olsen T.K.; Otte J.; Erickson A.; Semsch B.; Andersson E.R.; Ratz M.; Frisén J.; Tischler A.S.; de Krijger R.R.; Bouderlique T.; Akkuratova N.; Vorontsova M.; Gusev O.; Fried K.; Sundström E.; Mei S.; Kogner P.; Baryawno N.; Kharchenko P.V.; Adameyko I. (2021)

Characterization of the progression of cellular states during human embryogenesis can provide insights into the origin of pediatric diseases. We examined the transcriptional states of neural crest– and mesoderm-derived ...
Viscosity of Molecular Newtonian Liquids

Sevryugin V.A.; Skirda V.D. (2021)

Abstract: An empirical expression based on the general notions of available structural and diffusion theories of viscous flows has been proposed for the viscosity coefficients of molecular liquids. The proposed expression ...
Definition and analysis of the fundamental parameters of a close binary system konkoly j064029.1+385652.2

Nurtdinova D.N.; Shimansky V.V.; Borisov N.V.; Irtuganov E.N. (2021)

In this work, we studied spectroscopic and photometric observations of the close binary system Konkoly J064029.1 + 385652.2, which is a candidate for young pre-cataclysmic variables with an sdO subdwarf. Observations were ...

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