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Article
Electrochemical behavior of perovskite-type Ce1−xCaxVO3 under reducing conditions
The incorporation of calcium into the zircon-type lattice of Ce1−xCaxVO4 (x = 0.2–0.4), stable at atmospheric oxygen pressure, leads to a modest decrease in the unit cell volume and electrical conductivity, predo...
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Article
Calcium–Borosilicate Glass-Ceramics as a Sealant for Solid Oxide Fuel Cells
The applicability of calcium–borosilicate glass-ceramics with high boron oxide content as a sealant for solid oxide fuel cells is studied. Chemical composition of the studied materials is: 33 mol % CaO, 21 mol...
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Article
Strength Properties of Zirconium Ceramics with Silica Additives Hardened with Alumina
The effect of Al2O3 and SiO2 admixtures on strength properties of calcia-stabilized zirconia ceramics is studied. Optimal ratios of the components of CaO–ZrO2 + Al2O3 + SiO2 are determined; at these ratios, high ...
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Article
The Influence of Silicon Dioxide on the Stability of the Phase Composition and Mechanical Properties of Alumina-Toughened Zirconia-Based Ceramics
The influence of SiO2 impurity (with a concentration varying from 0 to 10 mol %) on the stability of tetragonal ZrO2 (t-ZrO2) and on a set of micro- and macromechanical properties of calcia-stabilized (CCaO = 6.5...
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Article
Regulation of Biocatalysis with the α-Chymotrypsin–Bowman–Birk Inhibitor Pair Immobilized on Magnetite-Gold Hybrid Nanoparticles Using a Non-Heating Low-Frequency Magnetic Field
Magnetite-gold hybrid magnetic nanoparticles of the dumbbell type were used to immobilize two proteins: α-chymotrypsin and the Bowman–Birk inhibitor. It is shown that under the influence of a low-frequency mag...
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Article
Straintronics for Nanomedicine: Manipulating Biochemical Systems via Controllable Macromolecular Nanodeformation
An analysis of the current strategy of the nano-magnetomechanical actuation of biochemical systems by utilizing the concept of straintronics for nanomedicine is performed. Such systems use magnetic nanoparticl...
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Article
Low-Temperature Degradation of Composite ATZ Ceramics Reinforced via Multiwalled Carbon Nanotubes
The influence of water vapor on structural stability and mechanical properties of ceramics based on baddeleite (natural zirconia mineral) and chemically deposited ZrO2 reinforced with carbon nanotubes is studied ...
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Article
Structure and Mechanical Properties of the CaO–ZrO2–Al2O3 Ceramic Composites at Low Corundum Concentrations
We have studied the effect of the ratio between concentrations of zirconium dioxide (stabilized by CaO) and corundum on phase composition and mechanical properties of nanostructured CaO–ZrO2–Al2O3 ceramic composi...
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Article
New Approaches to Nanotheranostics: Polyfunctional Magnetic Nanoparticles Activated by Non-Heating Low-Frequency Magnetic Field Control Biochemical System with Molecular Locality and Selectivity
In this work, a novel approach to magnetic nanotheranostics based on the activation of magnetic nanoparticles (MNPs) with a nonheating low-frequency magnetic field has been described. Electromagnetic biomedica...
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Article
Ways and Methods for Controlling Biomolecular Structures Using Magnetic Nanoparticles Activated by an Alternating Magnetic Field
Functionalized magnetic nanoparticles (MNPs) controlled by an external magnetic field provide a new generation of promising nanobiomedical platform. Due to their ability to locally change the state of a bioche...
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Article
Effect of Carbon Nanotubes on Strength Characteristics of Nanostructured Ceramic Composites for Biomedicine
The relationship between synthesis conditions, structure, and properties of the baddeleyite-based engineering nanostructured composite zirconia ceramic (natural zirconia mineral) with modifying alloying elemen...
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Article
The Influence of Corundum Content and Sintering Temperature on the Mechanical Properties of CaO–ZrO2–Al2O3 Ceramic Composites
We have studied the mechanical properties (Vickers microhardness HV and fracture toughness KC) of nanostructured CaO–ZrO2–Al2O3 ceramic composites as dependent on the content of corundum (0 ≤
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Article
Nanostructured Zirconia Ceramic Based on Baddeleyite Domestic Raw
The relationship between synthesis conditions, structure, and properties of baddeleyite-based engineering nanostructured zirconia ceramics is studied in this work. Mined at the Kovdor beneficiation plant (Murm...
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Article
Electromagnetic emission in the development of macroscopically unstable plastic deformation of a metal
Electromagnetic emission accompanying the serrated deformation of the aluminum‒magnesium alloy Al-6Mg has been revealed and studied experimentally. By means of high-speed video recording and a complex of metho...
