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Article
Micellization of sodium dodecyl sulfate in the vicinity of Krafft point: an NMR and dielectric spectroscopy study
The structural state of ionic surfactant sodium dodecyl sulfate (SDS) on passing through the Krafft point (classical characteristic parameter determining the relationship between surfactant solubility and mice...
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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
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
Lipase enzymatic microreactor in polysaccharide hydrogel: structure and properties
An enzymatic microreactor was designed on the basis of sodium alginate hydrogel containing a lipolytic enzyme (Candida rugosa lipase) in the polymer matrix pores. The functional properties of lipase were characte...
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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
Effect of Carbon-Nanotube-Based Additives on Rheological Properties of Liquid Boiler Fuel
The effects of additives based on carbon nanotubes, which are a versatile nanomaterial for producing substances having fundamentally new or significantly altered physicomechanical and physicochemical propertie...
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Article
Structure and properties of aqueous dispersions of sodium dodecyl sulfate with carbon nanotubes
The dispersing action of the surfactant (sodium dodecyl sulfate, SDS) on the carbon nanotubes (CNT) in aqueous medium has been studied. Electron microscopy, molecular docking, NMR and IR spectroscopies were ap...
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Article
The structure and activity of fungal lipases in bile-salt solutions
The changes in the structure and catalytic properties of fungal lipases (Candida rugosa, Rhizomucor miehei, Mucor javanicus) were investigated in micellar solutions of bile salts that differ in their hydrophilic–...
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Article
Structure and dynamics of concentrated micellar solutions of sodium dodecyl sulfate
In micellar solutions of sodium dodecyl sulfate, as the concentration of surfactants increases, the spheroid shape of the micelles changes from almost spherical to ellipsoidal with increasing ratio of half-axe...
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Article
Improving the efficiency of thermal power equipment based on technologies using surfactants
The formation of deposits on the functional surfaces of the equipment of heating systems and their corrosion are one of the major energetic problems. To improve the operational efficiency of thermal power equi...
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Article
Association of sodium dodecyl sulfate in aqueous solutions according to chemical shifts in 1H NMR spectra
Proton chemical shifts of different atomic groups in sodium dodecyl sulfate (SDS) have been studied by 1H NMR spectroscopy as functions of surfactant concentration in aqueous solutions. Three surfactant concentra...
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Article
Self-Diffusion of Ionic Surfactants and Counterions in Premicellar and Micellar Solutions of Sodium, Lithium and Cesium Dodecyl Sulfates as Studied by NMR-Diffusometry
Self-diffusion of surfactants and counterions in premicellar and micellar solutions of sodium, lithium and cesium dodecyl sulfates has been examined by nuclear magnetic resonance (NMR)-diffusometry. Self-diffu...
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Article
Effective self-diffusion coefficients of ions in sodium dodecyl sulfate micellar solutions
The effective self-diffusion coefficients of ions in premicellar and micellar solutions of sodium dodecyl sulfate are measured by the NMR self-diffusion method at 40°C. The obtained regularities are explained ...
