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Article
Modification in Adsorption Properties of Graphene During the Development of Viral Biosensors
The well-known effect of the local interaction between graphene and photoresist (LIGF) during the creation of biosensors is shown to lead to non-uniform distribution of compressive stresses, which deteriorates...
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Article
Classification Signs for Typifying Economic Activity in a Region on the Example of the Arctic Zone of the Russian Federation
The paper examines the influence of national, sectoral and regional factors on the change in the number of employees by type of economic activity in the region. On the basis of the proposed classification feat...
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Article
A Control Device for a Polarized Electromagnet
A device for controlling a two-winding polarized electromagnet is considered, and its disadvantages are noted. A circuit for the control of a single-winding polarized electromagnet is proposed in which the dis...
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Article
Composite Films Based on Carbon Quantum Dots in a Matrix of PEDOT:PSS Conductive Polymer
Carbon quantum dots (CQDs), as well as their composites with the PEDOT:PSS conductive polymer, are hydrothermally synthesized from glucose, and their electrical properties are investigated in the temperature r...
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Article
Photoluminescence and Photoconductivity of Lead Halide Perovskite Films Modified with Mixed Cellulose Esters
We have investigated the photoluminescence (PL) and photoconductivity of lead halide perovskite (CH3NH3PbBr3) films modified with different mixed cellulose esters (CEs). It was shown that the absorbance and PL sp...
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Article
On Vivid Manifestations of Perigean Spring Tides in the Atmosphere
Perigean spring tides in the atmosphere are discussed. In 2016–2017, the smoothed anomalies of air temperature over European Russia were found to repeat the evolution of the distance of the perigee (i.e., the ...
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Article
Calculation and Assessment of Dynamic Parameters of Electromagnetic Elements of Circuit Breakers
A method for the design calculation of an electromagnet minimized by the mass of active materials, according to the dynamics, is proposed. The results of calculating the dynamic parameters of the actuating ele...
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Article
Electromagnetic Overcurrent Release with Integrated Armature for Circuit Breaker
This paper considers an original valve electromagnet with integrated armature, designed to implement an electromagnetic overcurrent release of a circuit breaker. Theoretical and experimental studies of the pro...
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Article
In Vivo Effects of Human Bone Marrow Mesenchymal Stromal Cells on the Development of Experimental B16 Melanoma in Mice
Experiments on F1(CBA×C57BL/6) mice with experimental metastatic melanoma B16 F10 showed that single intravenous injection of xenogeneic bone marrow mesenchymal stromal cells (BM-MSC) in a dose of 106 cells/mouse...
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Article
A Valve Magnetic System with Increased Operational Sensitivity of Overcurrent Release
Abstract—Electromagnetic overcurrent releases have become widespread among electromagnetic devices in control systems and electrical energy distribution when protecting against negative effects of short-circuit c...
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Article
Conductivity of Composite Films Based on Conductive Polymer PEDOT:PSS, Graphene Oxide and Nanoparticles TiO2 for Contact Layers of Perovskite Photovoltaic Structures
The electrical properties of composite films based on conductive polymer PEDOT: PSS, graphene oxide (GO), and titanium dioxide nanoparticles (TiO2) (PEDOT: PSS– TiO2 and GO–TiO2) used as contact layers of organic...
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Article
Calculation of a Valve Magnetic System of Maximum Current Release of a Circuit Breaker
Circuit breakers are one of the most widespread electrical devices in control and distribution systems that use electric energy fluxes, providing protection from short circuits and current overloads. First and...
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Article
Calculation of Thermobimetallic Releases of Circuit Breakers with Indirect Heating for Currents from 63 to 250 A
Thermal releases based on thermobimetallic elements (TBEs) form the current-dependent part of the protective characteristic of a circuit breaker. The design of a mechanism of free releasing and the characteris...
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Article
A Design of a Minimized Shell-Type Plunger Constant-Voltage Electromagnet
Reducing the weight of the materials used in the creation of electromagnetic devices and decreasing the overall size of the latter greatly increases the attractiveness of low-voltage switchgear such as relays,...
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Article
Diversity of Properties of Device Structures Based on Group-III Nitrides, Related to Modification of the Fractal-Percolation System
A fractal-percolation system that includes extended defects and random fluctuations in the alloy composition is formed during the growth of device structures based on Group-III nitrides. It is established that...
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Article
Field-effect transistors with high mobility and small hysteresis of transfer characteristics based on CH3NH3PbBr3 films
Field-effect transistor (FET) structures based on soluble organometallic perovskites, CH3NH3PbBr3, were obtained and their electrical properties were studied. FETs made of CH3NH3PbBr3 films possess current- volta...
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Article
Modifying Effect of Autotransfusion of Mesenchymal Stromal Cells on the Production of Reactive Oxygen Species and Cytokines by Mononuclear Cells in Patients with Chronic Heart Failure
We studied in vivo modifying effect of autotransfusion of human bone marrow mesenchymal stromal cells on ROS generation and production of cytokines (TNFα,TNFβ, IL-1α, IL-10, IFNγ, and GM-CSF) and PGE2 by mononucl...
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Article
Syngeneic and Xenogeneic Transplantations of Mesenchymal Stromal Cells Modify the Production of Reactive Oxygen Species by Blood Mononuclears of Mice
In vivo modifying effects of bone marrow mesenchymal stromal cells of humans and laboratory mice on ROS production by mouse blood mononuclears are studied by luminol-dependent zymosan-ind...
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Article
On the morphology of the interlayer surface and micro-Raman spectra of layered films in topological insulators based on bismuth telluride
Resonant micro-Raman spectra and the morphology of the interlayer Van der Waals surface are studied for layered thin films of n-Bi2Te3 and solid solutions based on Bi2Te3. It is found that the composition, thickn...
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Article
Fabrication of graphene and graphite films on the Ni(111) surface
The growth of graphene and graphite films on nickel surface under conditions for ultrahigh-vacuum carburization and subsequent annealing is studied at film thicknesses ranging from a single layer to ≈1000 laye...
