Перегляд за автором "Kravchenko, A.A."

Результати 1-6 з 6

A quantum chemical analysis of dependence of the protolytic properties of silica primary particles on their composition and spatial structure

Kravchenko, A.A.; Demianenko, E.M.; Filonenko, O.V.; Grebenyuk, A.G.; Lobanov, V.V.; Terets, M.I. (Поверхность, 2017)

High disperse silica is used as a sorbent and carrier of medical preparations in various branches of medicine, biotechnology etc. due to its physico-chemical properties, in particular, rather developed surface, chemical ...
A Quantum Chemical Study on Levomycetin Interaction with Silica Surface

Kravchenko, A.A.; Krupska, T.V.; Demianenko, E.M.; Grebenyuk, A.G.; Kuts, V.S.; Lobanov, V.V. (Хімія, фізика та технологія поверхні, 2010)

The biological activity of D(-)-threo-isomer of levomycetin is connected with presence of hydrogen bonding between hydroxyl groups of its alicyclic form. When grafted on silica surface (via impregnation), levomycetin ...
Electroconductivity of anion-radical TCNQ salts containing cations [M(bipy)₃]²⁺ (M-Fe, Ni or Zn)

Vasylets, G.Y.; Khotkevich, A.V.; Bukrinev, A.S.; Krasnyi, A.S.; Starodub, V.A.; Starodub, V.A.; Kravchenko, A.A.; Medviediev, V.V. (Functional Materials, 2015)

Electrical resistance temperature dependence of three TCNQ anion-radical salts of complex composition containing cations [M||(bipy)₃]²⁺ (M-Fe, Ni or Zn, bipy - 2,2′-dipyridil) have been studied. Measurements have been ...
Energy spectrum and thermodynamics of quasi-one-dimensional ferrimagnets on the basis of transition metal compounds

Cheranovskii, V.O.; Kravchenko, A.A.; Kuznetsova, T.O. (Functional Materials, 2008)

The study of energy spectrum of necklace spin ladder modelling magnetic properties of a number of quasi-one-dimensional ferrimagnetics containing ions of transition metals, was carried out. It was shown that the excitations ...
Simulation of the interaction between silica surface and acid or alkaline aqueous media

Kravchenko, A.A.; Demianenko, E.M.; Tsendra, O.M.; Lobanov, V.V.; Grebenyuk, A.G.; Terets, M.I. (Поверхность, 2015)

A quantum chemical analysis has been carried out of the equilibrium structure of hydrated HCl and HBr acid complexes and alkaline metal hydroxides on silica surface by means of density functional theory method with extended ...
Zeta Potential and Degree of the Aggregation of Nanoparticles of the Pyrogenic Silica in the Presence of the Dissolved Metal Chlorides in the Aqueous Medium

Andriyko, L.S.; Zarko, V.I.; Marynin, A.I.; Olishevskyi, V.V.; Kravchenko, A.A.; Demjanenko, Е.M. (Наносистеми, наноматеріали, нанотехнології, 2015)

The effects of univalent metals’ chlorides (LiCl, NaCl, KCl) at different concentrations (0.001–0.1 M) on the behaviour of nanosilica (0.5–5 wt.%) in aqueous medium are analysed using photon correlation spectroscopy (particle ...

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Перегляд за автором "Kravchenko, A.A."

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Перегляд за автором "Kravchenko, A.A."

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