S. V. Medvedeva

ORCID: 0000-0003-1045-2601
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About
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Research Areas
  • Microstructure and mechanical properties
  • Aluminum Alloy Microstructure Properties
  • Titanium Alloys Microstructure and Properties
  • Aluminum Alloys Composites Properties
  • Glass properties and applications
  • Advanced ceramic materials synthesis
  • Metallurgy and Material Forming
  • Metal and Thin Film Mechanics
  • Metal Alloys Wear and Properties
  • Intermetallics and Advanced Alloy Properties
  • Cytomegalovirus and herpesvirus research
  • Surface Roughness and Optical Measurements
  • Pregnancy and preeclampsia studies
  • Magnetic properties of thin films
  • Microstructure and Mechanical Properties of Steels
  • Fiber-reinforced polymer composites
  • Neonatal Health and Biochemistry
  • Reproductive System and Pregnancy
  • Magnetic Properties and Applications
  • Quasicrystal Structures and Properties
  • Material Properties and Applications
  • Recycling and utilization of industrial and municipal waste in materials production
  • HIV Research and Treatment
  • Material Science and Thermodynamics
  • Human Health and Disease

National University of Science and Technology
2001-2023

National University of Science and Technology
2013-2020

Ministry of Healthcare
2019

Amur State Medical Academy
2018

Tambov State Technical University
2015

Institute of the Human Brain
2012

Russian Academy of Sciences
2001-2005

St Petersburg University
2001

Mechanisms of HIV transportation through blood-brain barrier, vascular plexus and interaction with cerebral cells having CD-4-receptors, ССR-5- CXCR-4-coreceptors were studied. Cerebral damage developed latent acute periods also known as HIV-encephalopathy, HIV-associated neurocognitive dysfunction etc. lesions are caused by a variety chemical agents from pro-inflammatory cytokines to toxic HIV-proteins resulting in development HIV-dementia several years. Even early stage this process...

10.15690/vramn.v67i9.400 article EN Annals of the Russian academy of medical sciences 2012-09-10

10.1134/s0031918x13020087 article EN The Physics of Metals and Metallography 2013-04-01

The decrease of superplastic forming temperature and improvement post-forming mechanical properties are important issues for titanium-based alloys. Ultrafine-grained homogeneous microstructure required to improve both processing properties. This study focuses on the influence 0.01-2 wt.% B (boron) Ti-4Al-3Mo-1V (wt.%) evolution, superplasticity, room boron-free boron-modified alloys were investigated using light optical microscopy, scanning electron backscatter diffraction, X-ray diffraction...

10.3390/ma16103714 article EN Materials 2023-05-13

The microstructure evolution, superplasticity, and room temperature mechanical properties of Ti-4%Al-1%V-3%Mo alloys modified with 0.01-2 wt.% boron were investigated. Increasing the content from 0 to 0.1 effectively refined prior β-grains, reducing a mean grain size ~700 µm ~210 µm. Whiskers TiB phase in range 0.7-2.9 observed after solidification thermomechanical processing. Alloys 0.01-0.1 exhibited similar superplastic elongations strain rate sensitivity...

10.20944/preprints202304.0194.v1 preprint EN 2023-04-11

This paper studies the influence of strain rate during superplastic forming on microstructure evolution Ti-4Al-3Mo-1V titanium alloy. The finite elements simulation (FES) process at a temperature 875 °C, which considered to be optimum this alloy, and constant uniform gas pressure 0.4, 0.7, 1 MPa were performed. response across formed part via FES each applied was analyzed. using same condition FES, time, performed lab machine. In initial state before forming, studied alloy exhibits mixture...

10.4028/www.scientific.net/ssp.306.43 article EN Diffusion and defect data, solid state data. Part B, Solid state phenomena/Solid state phenomena 2020-06-01

10.1023/a:1012358132459 article EN Fibre Chemistry 2001-01-01

10.1023/a:1009520106681 article EN Glass Physics and Chemistry 2001-01-01

The paper studies the composition and peculiarities of classification legal defence an individual, concept notion quasi-normality act.

10.17277/voprosy.2015.01.pp.150-154 article EN Voprosy sovremennoj nauki i praktiki Universitet imeni V I Vernedskogo 2015-01-01

Cytomegalovirus (CMV) infection is one of the causes congenital neurological disorders and virus itself most common viral agent causing an imbalance in production placenta progesterone its neuroactive metabolites – allopregnenolone 5α-dihydroprogesterone. The aim was to evaluate concentration 5α-dihydroprogesterone during exacerbation CMV first trimester pregnancy, impact these disturbances on development children. We examined 30 pregnant women with pregnancy latent disease; later their...

10.29413/abs.2018-3.4.12 article EN cc-by Acta Biomedica Scientifica (East Siberian Biomedical Journal) 2018-07-28

In order to identify the molecular effects of erythropoietin on lipid composition and properties membrane red blood cells umbilical cord, 35 newborn children born from cytomegalovirus seropositive women with exacerbation infection in third trimester pregnancy (main group) were examined. The control group consisted 30 newborns seronegative women. Plasma cord became material for study. by spectrophotometry there studied products that react thiobarbituric acid; microviscosity was lateral...

10.12737/article_5c89a90227a213.58230200 article EN Bulletin physiology and pathology of respiration 2019-03-14
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