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Article
Open AccessHeat Shock Proteins on Tumor Cell Surface as Target for Anti-Tumor Therapy (A Review)
According to WHO, cancer is the cause of ~5 million deaths annually. To date, there is no universal solution to fight cancer despite outstanding achievements of radiotherapy, chemotherapy, and immunotherapy. I...
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Article
Associative behavior of long-chain n-alkanes in petroleum dispersed systems
The associative behavior of n-alkanes in petroleum dispersed systems and its changes under different temperature conditions were studied using dynamic light scattering, as well as optical, electron, and atomic fo...
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Article
Poloxamers and Poloxamines for Dispersion of Carbon Nanomaterials
The ability of block copolymers to disperse carbon nanomaterial Taunit is studied using nonionic surfactants: water-soluble poloxamer Р407 and oil-soluble poloxamine (diproxamine-157). According to NMR spectro...
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Article
Hyperfine interactions in the Bi1−xLaxFeO3 ferrites (x = 0.0225, 0.075, 0.9)
Hyperfine interactions in the Bi1−xLaxFeO3 ferrites (where x = 0.0225, 0.075, 0.9) have been studied by means of 57Fe Mössbauer spectroscopy and 140Ce time differential perturbed angular γ–γ correlation methods. ...
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Article
Association of ionic surfactant in binary water—ethanol media as indicator of changes in structure and properties of solvent
Association of sodium dodecyl sulfate (SDS) ionic surfactant in concentration range of 1–100 mmol L−1 in binary water—ethanol media with alcohol volume concentrations of 0–92.3 vol.% was studied by conductometry ...
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Article
Encapsulation of diagnostic dyes in the polysaccharide matrix modified by carbon nanotubes
The effect of carbon nanotubes (CNTs) on the morphology and properties of alginate hydrogel was studied. The addition of CNTs leads to a change in the structural characteristics of the hydrogel, which is expre...
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Article
Structural features of composite protein-polysaccharide hydrogel in the presence of a carbon nanomaterial
The structures of a protein-polysaccharide composite hydrogel and its modifications prepared using carbon nanotubes (CNTs) were studied by small-angle X-ray scattering and scanning electron microscopy. A corre...
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Article
Study of Fe85 –xCrxB15 (x = 0–20) Amorphous Alloys by the 11B Nuclear Magnetic Resonance Method
Amorphous alloys of Fe85 –xCrxB15 (x = 0–20) obtained by ultrafast melt quenching are investigated by the pulsed 11В nuclear magnetic resonance (NMR) method at a temperature of 4.2 K. The amorphous alloys consist...
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Article
Modification of the Rheological Properties of Heavy Boiler Fuel by Adding Carbon Nanotubes and Dehydrated Carbonate Sludge
The possibilities of reducing the viscosity of heavy fuel oil with an increased proportion of residual fractions through the use of nanomaterials, such as carbon nanotubes (CNTs) and dehydrated carbonate sludg...
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Article
Specific features of magnetic states of impurity iron ions in the perovskite La0.75Sr0.25Co0.98 57Fe0.02O3
Single-phase polycrystalline La0.75Sr0.25Co0.98 57Fe0.02O3 samples have been prepared by solidstate ceramic technology. The samples have the rhombohedral structure (space group ...
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Article
Spatial spin-modulated structure and hyperfine interactions of 57Fe nuclei in multiferroics BiFe1–x T x O3 (T = Sc, Mn; x = 0, 0.05)
The results of the Mössbauer studies on 57Fe nuclei in multiferroics BiFe1–x T x ...
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Article
Local states of iron ions in Bi0.815Eu0.085La0.1FeO3 perovskite
Multiferroic Bi0.815Eu0.085La0.1FeO3 with rhombohedral structure is synthesized using the solid state method from high-purity metal oxides in air. The hyperfine magnetic fields and quadrupole and isomer shifts on...
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Article
Mössbauer studies of BiFe1–x Sc x O3 (x = 0, 0.05) Multiferroics
The effect replacing Fe atoms with Sc atoms has on the spatial spin-modulated structure and electrical and magnetic hyperfine interactions of 57Fe nuclei in BiFeO3 multiferroic is studied by means of Mössbauer sp...
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Article
Magnetic states of iron ions in perovskite Bi0.75Sr0.25Fe0.95Cr0.05O3–y
57Fe hyperfine interactions are measured in cubic perovskite Bi0.75Sr0.25Fe0.95Cr0.05O3–y by means of Mössbauer spectroscopy in the temperature range of 95–800 K. The temperature ...
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Article
Perovskites Bi0.8La0.2FeO3 and Bi0.8La0.2Fe0.95Cr0.05O3: Crystal structure and magnetic and charge states of iron ions
Perovskites of the Bi0.8La0.2Fe1 − x Cr x O3 system (x = 0, 0.05) were investigated by Mössbauer spectroscopy in the temperature range of 298–800 K. The samples w...
