A quantum chemical study on levomycetin interaction with silica surface
Changes of structural and power parameters of molecules of Laevomycetinum, conditioned by adsorption. Descriptors of biological activity of Laevomycetinum are energy of НВМО and length sanctify O hydrogen - H.O in the propanediol fragment of molecule.
Подобные документы
The aim of this study was to determine the quantitative and qualitative determination of fatty acids in the fruits of the plant Zosima absinthifolia, which is widespread in Absheron, as well as to study its physicochemical and organoleptic properties.
статья, добавлен 20.09.2024Modern and effective methods of hardening metals. Nitriding in a glow discharge in ammonia or in an anhydrous medium. Tribological and physicochemical properties of hardened surfaces obtained by nitriding with autonomous and interconnected BATR modes.
статья, добавлен 22.05.2022Search of bioactive substances containing in the molecule a heterocycle and a deputy with high antioxidant properties such as succinic acid. Antibacterial and cytotoxic action of Di-Na-salt. Methods of di-Na-salt of 2-(pyridine-4-iltio)succinic.
статья, добавлен 29.01.2017Investigation of the reaction of e-caprolactone with methacrylic acid. Synthesis of the compound chloride with polyethylene glycol ether. Peculiarities of surface active methacrylate monomer. Surface tension in aqueous solution in contact with air.
статья, добавлен 23.02.2016The behavior of globular proteins and humic acids of coal in aqueous/oil and aqueous/graphene systems by means of tritium tracer. Obtaining of adsorption isotherms by liquid scintillation spectrometry of tritium either in traditional performance.
статья, добавлен 02.04.2014Change of palladium ions concentration during cementation on the magnesium disk in dimethylformamide solution. Chemical microparticles and agglomerates anorganic chlorine compound. Palladium adhesion to the substrate surface in dimethylformamide.
статья, добавлен 23.02.2016Carboxymethyl cellulose as the one of largest and most widely used ether. Creating a uniform distribution of reagents in the area of chemical reactions - the process which underlying the modeling of macrokinetics carboxymethylation of cellulose.
статья, добавлен 05.12.2018The novel approach to chemical design of carbon-coated Al2O3 nanoparticles with an average particle size of 8-10 nm was developed. Carbon coating was synthesised by modification of fumed alumina support with 4,4-methylenebis and its subsequent pyrolysis.
автореферат, добавлен 02.04.2014Crystals of the [Cu(C4H7N3S)Cl] (1)-complex were synthesized by solvothermal reaction of 2-amino-5-ethyl-1,3,4-thiadiazole (C4H7N3S) with CuCl in hydrochloric acid solution, and studied by X-ray diffraction. 3D hydrogen-bonded framework in complex.
статья, добавлен 23.02.2017The structure of the metal-containing azopolymers with electro-optical properties depending on the length of the spacer. Effect of electric field on absorption of metal-containing azopolymers. Reorientation of the dipole moments azobenzene groups.
статья, добавлен 21.12.2016Some aspects of sugar-derived heterocycles and their precursors which are utilized as the inhibitors against glycogen phosphorylases and are responsible for the release of mono-glucose from poly-glucose. The quantitative structure-activity relationship.
научная работа, добавлен 05.03.2013Synthesis, selection of new catalytic systems based on vanadium, molybdenum, zirconium, cobalt, iron for the conversion of methanol to formaldehyde and other valuable compounds, determination of their activity and kinetic regularities of the process.
статья, добавлен 12.12.2024Convenient method of synthesis of optically active oxamoylaminoacids. Compounds have significant hepatoprotective, antiinflammatory and immunodepressant activities with low toxicity. Influence of investigated sudstances on rarametrs of specific immunity.
статья, добавлен 15.02.2014Structure, a composition, a biological role, synthesis and catabolism of phospholipids. Conversion of Squalene to Cholesterol. Determination of interdependence of the deficiency of hydrolytic enzymes and lysosoms support sphingolipidosis development.
презентация, добавлен 05.10.2015The study of the effect of structural relaxation on the basal-plane conductivity of heavily high-Tc single crystals. Increased oxygen deficiency, increased localization effect. The transition metal–insulator transition point toward higher temperatures.
статья, добавлен 02.12.2016Chemical compositions of Portland cement. Possibility of using waste glass in building technology. A structure alkaline compounds. Study of fine-grinded glass. Influence additives on the induction and post-induction periods of Portland cement hardening.
статья, добавлен 23.02.2016- 92. Study of processes during electrolysis of organic dye solution by means of ion-photon spectrometry
Spectral composition and quantum yield of radiation of the excited particles sputtered by an ion beam from surfaces of the dried sediment formed on electrodes at the electrolysis of the organic dye were studied by the method of ion-photon spectrometry.
статья, добавлен 27.07.2016 Thiophene derivatives, cyclopropenethiones, dithiynes, carbon disulfide in the synthesis of thienothiophenes and their analogues. Reactivity and chemical transformations. Molecular structures and physical properties fields of application thienothiophenes.
дипломная работа, добавлен 05.03.2013- 94. Ti-Al alloy
A new process for developing titanium aluminides using chemical vapor synthesis was investigated in a laboratory experiment. Aluminum subchloride was used as the reducing agent in the reaction with TiCl4 and the source of aluminum for Ti-Al alloy.
лабораторная работа, добавлен 01.11.2019 The study of the processes of reparative activity diacamph part of the medications suppositories for the treatment of degenerative and inflammatory diseases of the rectum, determination of their crystallographic and thermogravimetric characteristics.
статья, добавлен 29.10.2016The study of physico-chemical properties of modified forms of natural biopolymers – carboxymethyl cellulose and xanthan gums, their ability to film formation water-soluble polymeric compositions and the influence on growth and productivity of crops.
статья, добавлен 23.02.2016Chemical derivatives of 1,2,4-thiazole as biologically active chemicals intended for the protection of plants for agricultural purposes, such as biocides and fungicides when preserving books. Impact of chemicals on humans, animals and the environment.
статья, добавлен 21.07.2018Equilibrium spatial structure of the Si89(OH)43 H36 cluster model simulated for a pyramid-like formation on porous silicon surface has been calculated within the frameworks of density functional. Distribution of electronic charge and static field is got.
автореферат, добавлен 02.04.2014Influence of increasing the temperature of thermochemical activation of up to 750 °C and increasing the dosage of potassium hydroxide to 2.1 g/g of activated carbon synthesis of hydrolytic lignin on the formation of adsorption properties of the AC.
статья, добавлен 30.07.2017Catalytic, electrical, optical and magnetic properties of cobalt sulfide. Chemical structure and application of inorganic compounds and salts the sulfurous acid. Brief description of the structure of pyrite. Methods for the synthesis of the metals.
статья, добавлен 30.07.2016