rus
Nanotechnology
A.I.Akhmetova, I.V.Yaminsky
MORPHOLOGY OF BLOOD CELLS BASED ON ATOMIC FORCE MICROSCOPY DATA Probe microscopy allows us to study the morphology, nanostructure of the membrane, mechanical properties and biochemical interactions of blood cells over time in liquid and in air. The mechanical properties, rigidity and elasticity of the membrane can be quantified using atomic force microscopy (AFM). AFM can be used in a variety of areas: from assessing the quality of stored blood in transfusion banks to elucidating the molecular mechanisms of oxidative damage and disease-related changes. The use of AFM in the study of red blood cells helps in understanding the causes of neurodegenerative diseases, diabetes, and miscarriages.
MORPHOLOGY OF BLOOD CELLS BASED ON ATOMIC FORCE MICROSCOPY DATA Probe microscopy allows us to study the morphology, nanostructure of the membrane, mechanical properties and biochemical interactions of blood cells over time in liquid and in air. The mechanical properties, rigidity and elasticity of the membrane can be quantified using atomic force microscopy (AFM). AFM can be used in a variety of areas: from assessing the quality of stored blood in transfusion banks to elucidating the molecular mechanisms of oxidative damage and disease-related changes. The use of AFM in the study of red blood cells helps in understanding the causes of neurodegenerative diseases, diabetes, and miscarriages.
M.T.A. Al-Khalidi, A.N.Blokhin
STUDY OF THE EFFECT OF MODIFYING ALKYD ENAMEL PAINT ON ITS HEAT RESISTANCE, UV RESISTANCE, AND CHEMICAL RESISTANCE PROPERTIES https://doi.org/10.22184/1993-8578.2025.18.5.276.284
Although the use of nano-additives can improve the corrosion resistance of some organic coatings, it can lead to deterioration of other coating properties, such as resistance to thermal changes, ultraviolet radiation and chemicals. In this paper, the effect of carbon nanotubes coated with silicon oxide nanoparticles on the resistance to thermal changes, ultraviolet radiation and chemicals of alkyd enamel coating is investigated. To study these properties, a heat resistance test according to ASTM D573, a UV resistance test according to ASTM G155 and a chemical resistance test according to ASTM D5402-93 (1999) were conducted. The experimental results showed that the addition of nano-fillers led to an increase in resistance to chemicals with an increase in the mass concentration of nano-fillers to 0.349%, however, after this limit, the effect of chemicals on the paint increased, and the additive did not lead to a deterioration in resistance to thermal changes and ultraviolet radiation.
STUDY OF THE EFFECT OF MODIFYING ALKYD ENAMEL PAINT ON ITS HEAT RESISTANCE, UV RESISTANCE, AND CHEMICAL RESISTANCE PROPERTIES https://doi.org/10.22184/1993-8578.2025.18.5.276.284
Although the use of nano-additives can improve the corrosion resistance of some organic coatings, it can lead to deterioration of other coating properties, such as resistance to thermal changes, ultraviolet radiation and chemicals. In this paper, the effect of carbon nanotubes coated with silicon oxide nanoparticles on the resistance to thermal changes, ultraviolet radiation and chemicals of alkyd enamel coating is investigated. To study these properties, a heat resistance test according to ASTM D573, a UV resistance test according to ASTM G155 and a chemical resistance test according to ASTM D5402-93 (1999) were conducted. The experimental results showed that the addition of nano-fillers led to an increase in resistance to chemicals with an increase in the mass concentration of nano-fillers to 0.349%, however, after this limit, the effect of chemicals on the paint increased, and the additive did not lead to a deterioration in resistance to thermal changes and ultraviolet radiation.
I.V.Yaminsky
SCANNING PROBE MICROSCOPY IN THE STUDY OF INSECT NEURONAL ACTIVITY: PROSPECTS AND METHODOLOGICAL APPROACHES The paper discusses the possibilities of using scanning probe microscopy (SPM) to study the neural activity of insects, including recording action potentials and visualizing the morphological features of the nervous system. Particular attention is paid to the advantages of using insects such as mosquitoes as model objects for neurophysiological research. Modern methods of recording neural impulses are discussed, including intracellular and extracellular recording, the local potential fixation method (patch clamp), as well as a comparison of action potential parameters in insects and humans. The prospects for integrating SPM with optogenetics and calcium imaging to obtain a comprehensive understanding of the functional activity of neurons in vivo are presented.
SCANNING PROBE MICROSCOPY IN THE STUDY OF INSECT NEURONAL ACTIVITY: PROSPECTS AND METHODOLOGICAL APPROACHES The paper discusses the possibilities of using scanning probe microscopy (SPM) to study the neural activity of insects, including recording action potentials and visualizing the morphological features of the nervous system. Particular attention is paid to the advantages of using insects such as mosquitoes as model objects for neurophysiological research. Modern methods of recording neural impulses are discussed, including intracellular and extracellular recording, the local potential fixation method (patch clamp), as well as a comparison of action potential parameters in insects and humans. The prospects for integrating SPM with optogenetics and calcium imaging to obtain a comprehensive understanding of the functional activity of neurons in vivo are presented.
Equipment for nanoindustry
В.A.Loginov, V.A.Bespalov, Yu.V.Khripunov, A.B.Loginov, V.B.Loginov, М.А.Shcherbina, V.S.Akinina, D.А.Baturova, А.V.Pichugina, А.S.Serenok, I.I.Uleva, D.S.Shevchenko
RESEARCH ON DUST FORMATION MECHANISMS IN SPACE Based on the analysis of unique images obtained from the world’s first space scanning probe microscope SMM-2000S, which operates in open space aboard the Earth satellite "Nanosond-1" and captures changes in the relief of a metal surface exposed to solar wind with nanometer precision, a hypothesis has been proposed regarding existence of another mechanism for dust formation in near-Earth space – through formation of particles from atoms removed by solar wind ions from the surfaces of cosmic objects. An experiment has been described that was conducted and supports this hypothesis. The development of a separate applied research direction has been proposed for development of materials resistant to solar wind for the purpose of maintaining space ecology and improving reliability of spacecraft due to the negative effects of dust generated from them on elements, including those of the spacecraft themselves.
RESEARCH ON DUST FORMATION MECHANISMS IN SPACE Based on the analysis of unique images obtained from the world’s first space scanning probe microscope SMM-2000S, which operates in open space aboard the Earth satellite "Nanosond-1" and captures changes in the relief of a metal surface exposed to solar wind with nanometer precision, a hypothesis has been proposed regarding existence of another mechanism for dust formation in near-Earth space – through formation of particles from atoms removed by solar wind ions from the surfaces of cosmic objects. An experiment has been described that was conducted and supports this hypothesis. The development of a separate applied research direction has been proposed for development of materials resistant to solar wind for the purpose of maintaining space ecology and improving reliability of spacecraft due to the negative effects of dust generated from them on elements, including those of the spacecraft themselves.
Nanomaterials
E.V.Bobruk, M.E.Klimov
REALIZATION OF THE EFFECT OF LOW-TEMPERATURE SUPERPLASTICITY IN ULTRA-FINE-GRAINED Al–Zn–Mg ALLOY UNDER MULTIAXIAL DEFORMATION CONDITIONS The presented paper on optimal temperature-velocity deformation modes at lowered temperatures, using finite element method modeling and physical experiments, developed the technology for multiaxial deformation of nanostructured Al–Zn–Mg alloy.
REALIZATION OF THE EFFECT OF LOW-TEMPERATURE SUPERPLASTICITY IN ULTRA-FINE-GRAINED Al–Zn–Mg ALLOY UNDER MULTIAXIAL DEFORMATION CONDITIONS The presented paper on optimal temperature-velocity deformation modes at lowered temperatures, using finite element method modeling and physical experiments, developed the technology for multiaxial deformation of nanostructured Al–Zn–Mg alloy.
E.V.Bobruk
MANIFESTATION OF LOW-TEMPERATURE SUPERPLASTICITY IN NANOSTRUCTURED ALUMINUM ALLOYS The presented paper gives an overview of nanostructured state formation accompanied by the decomposition of supersaturated solid solution with forming the Zn, Mg, Cu segregations and secondary phases in alloys of Al–Zn, Al–Zn–Mg, Al–Mg–Mn, Al–Mg–Si and Al–Cu–Mg systems to achieve the effect of low-temperature superplasticity.
MANIFESTATION OF LOW-TEMPERATURE SUPERPLASTICITY IN NANOSTRUCTURED ALUMINUM ALLOYS The presented paper gives an overview of nanostructured state formation accompanied by the decomposition of supersaturated solid solution with forming the Zn, Mg, Cu segregations and secondary phases in alloys of Al–Zn, Al–Zn–Mg, Al–Mg–Mn, Al–Mg–Si and Al–Cu–Mg systems to achieve the effect of low-temperature superplasticity.