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Перегляд Поверхность, 2002, вип. 7-8 за назвою

Перегляд Поверхность, 2002, вип. 7-8 за назвою

Результати 1-20 з 24

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Adsorption and chemisorption of galactose oxidase on silica surface

Kondakova, L.V.; Yanishpolskii, V.V.; Tertykh, V.A. (Поверхность, 2002)

Experience accumulated over a number of years in developing of methods of immobilization of galactose oxidase from Fusarium graminearum on parent and modified silica matrices is analyzed. Sturdy adsorption of galactose ...
Adsorption of polyvinylpyrrolidone and polyoxyethylene by pure and mixed silicon, aluminium and titanium oxides

Voronin, E.F.; Guzenko, N.V.; Gun'ko, V.M.; Malysheva, M.L.; Pakhlov, E.M.; Eremenko, B.V.; Chuiko, A.A. (Поверхность, 2002)

Adsorption of polyvinylpyrrolidone (PVP) and polyoxyethylene (POE) from the aqueous solutions onto surfaces of individual and mixed silicon, titanium and aluminium oxides was studied. It was found that the values of polymer ...
Defect formation in the intermediate layers of YBa₂Cu₃O₇₋δ superconductors depending on oxygen сontents

Adonkin, V.T.; Gorelov, B.M.; Ogenko, V.M.; Melnikov, V.S.; Kevdina, I.B.; Shantorovich, V.P. (Поверхность, 2002)

In YBa₂Cu₃O₇₋δ superconductors with 0≤δ<0.6 the defect formation in the intermediate layers depending on oxygen content was revealed under γ-irradiation with doses 8-250 kGy. In YBa₂Cu₃O₇ the subthreshold creation of Ba, ...
Design of functionalized polysiloxanes: synthesis and study on sulfur-containing xerogels with mono- and bifunctional surface layer

Zub, Yu.L.; Melnyk, I.V.; Chuiko, A.A.; Cauzzi, D.; Predieri, G. (Поверхность, 2002)

Urea- and thiourea-containing trialkoxysilanes were prepared with a high yield and purity. By sol-gel processing of these precursors the new functionalized xerogels were synthesized and characterized by FTIR, elemental ...
Effect of chemical modification of silica surface with metal oxides on the thermal properties of adsorbed polydimethylsiloxane

Borysenko, M.V.; Bogatyrov, V.M.; Dyachenko, A.G.; Pokrovskiy, V.A. (Поверхность, 2002)

Temperature programmed desorption mass spectrometry, thermogravimetry and differential thermal analysis were used to investigate the thermal destruction of adsorbed polydimethylsiloxane (PDMS) in air and vacuum conditions. ...
Effect of precursor and surfactant nature on geometrical characteristics of mesoporous silicas

Pavlenko, A.N.; Yanishpolskii, V.V.; Tertykh, V.A.; Il'in, V.G.; Leboda, R.; Skubiszewska-Zieba, J. (Поверхность, 2002)

Bimodal mesoporous silicas and materials MCM-41 type were synthesized with the use as a template cationic surfactants distinguished by a length of the alkyl chain. Fumed silica, tetraethyl orthosilicate as well as of mixture ...
Electrodynamic properties of matrix dispersed systems with two-layer inclusions

Grechko, L.G.; Mal’nev, V.N.; Shkodа, N.G.; Shostak, S.V. (Поверхность, 2002)

Theoretical approach for calculation of the effective dielectric permittivity (ē) of matrix dispersed systems (MDS) that consist of a dielectric matrix with randomly arranged two-layer spherical inclusions of different ...
Electron spin resonance study on Mo-SiO₂ and Mo-TiO₂ with adsorbed benzene

Ignatovych, M.; Teslenko, V.; Eremenko, A.; Ogenko, V.; Chuiko, A. (Поверхность, 2002)

The study is devoted to ESR-investigation of the primary processes upon chemisorption of benzene molecules onto the molybdenum supported on dispersed SiO₂ and TiO₂ samples. It has been confirmed that benzene chemisorption ...
Formation of cluster structures on thermoexfoliated graphite by electrochemical method

Sidorenko, I.G.; Ogenko, V.M.; Zagorovsky, G.M.; Prikhod’ko, G.P. (Поверхность, 2002)

Nickel-plating thermoexfoliated graphite particles were prepared by cathodic polarization of three-dimensional electrodes in diluted nickel sulphate aqueous solutions. X-ray photoelectron spectroscopy and X-ray diffraction ...
Low-field electron emission and cathode luminescence of piezoelectric films of oxides and chalcogenides

Dadykin, A.A.; Naumovets, A.G.; Gorbik, P.P.; Dubrovin, I.V.; Ogenko, V.M.; Filonenko, M.N. (Поверхность, 2002)

Basic parameters of effective low-field emitters of electrons of piezoelectric films for bright flat cathode luminescent display and other activity are optimised. Specimens of electron emitters of cathode luminescent screens ...
Mass-spectrometric study of single-walled carbon nanotubes modified by aliphatic amines

Gromovoy, Yu.; Basiuk, E.V.; Pokrovskiy, V.A.; Chuiko, A.A. (Поверхность, 2002)

The gas-phase derivatization procedure was employed for direct (i.e., without chemical activation of terminal carboxylic groups) amidization of oxidized single-walled carbon nanotubes (SWNTs) with simple aliphatic amines. ...
Mass-spectrometric study of thermal decomposition of some polyketides in condensed and adsorbed states

Kulik, T.V.; Galagan, N.P.; Pogorelyi, V.K.; Pokrovskiy, V.A. (Поверхность, 2002)

A study has been conducted on adsorption of semisynthetic flavonoid venoruton on the surface of highly dispersed silica (HDS) modified with polyvinylpyrrolidone (PVP). It has been found that an adsorption value of venoruton ...
Novel polyorganosiloxane xerogels with bifunctional ≡Si(CH₂)₃H/≡Si(CH₂)₃NH₂ surface layer

Melnyk (Seredyuk), I.V.; Zub, Yu.L.; Chuiko, A.A.; Van Der Voort, P. (Поверхность, 2002)

Novel polyorganosiloxanes gels with bifunctional (≡Si(CH₂)₃H/≡Si(CH₂)₃NH₂) surface layer have been prepared by a sol-gel technique using silane-ternary systems. The surface properties of the obtained gels are highly ...
Optical properties of metal-composite-based thin films

Gozhenko, V.V.; Grechko, L.G.; Goncharuk, Yu.S.; Ogenko, V.M. (Поверхность, 2002)

In the first part of this work we study the effect of a semi-infinite matrix dispersed system (MDS) on the external electromagnetic radiation in the electrostatic approximation. With the help of our previous technique, we ...
Peculiarities of glucose oxidase adsorption by mesoporous aluminosilicates synthesized in presence of biotemplates

Smelaya, Z.V.; Goltsov, Yu.G. (Поверхность, 2002)

A study of glucose oxidase adsorption has been undertaken from a solution of the enzyme (0.125 mmol dm⁻³) in acetate buffer (pH 4) onto mesoporous aluminosilicates synthesized in the presence of biomolecules (lecithin, ...
Some aspects of mechanical characteristics forming in carbon materials based on exfoliated graphite

Sementsov, Yu.I.; Pyatkovsky, M.L.; Prikhod’ko, G.P.; Ogenko, V.M.; Sidorenko, I.G.; Yanchenko, V.V. (Поверхность, 2002)

Structural and phase transformations in precursors of the exfoliated graphite (EG) and an effect of various conditions of heating, extension and chemical modification on structure and physical properties of EG-based carbon ...
Spectral and quantum-mechanical study of electronic structure of ultradispersed calcium hydroxyapatite

Shpak, A.P.; Karbovskii, V.L.; Vakhney, A.G.; Kluyenko, L.P. (Поверхность, 2002)

The regularities of electronic structure of calcium hydroxyapatite samples of different genealogy were investigated by X-ray, IR spectroscopy methods and by quantum-mechanical calculations - Xa and LMTO (methods of the ...
Stabilizing small particles of lithium hydroxide with adsorbed water molecules: a quantum chemical study

Grebenyuk, A.G. (Поверхность, 2002)

Quantum chemical calculations have been carried out of the energetic and geometric characteristics of the lithium hydroxide molecular models within the frameworks of both semiempirical (the MNDO method) and ab initio (the ...
Studies of adsorbed phenothiazine antidotes by temperature-programmed desorption with mass-spectrometric analysis

Kulik, T.V.; Galagan, N.P.; Pokrovskiy, V.A.; Khrapak, V.V. (Поверхность, 2002)

By spectrophotometric and kinetic methods of analysis a study has been made of adsorption of three antidotes of the phenothiazine series on the surface of fumed silica from water solutions. Physical and chemical parameters ...
Study of water diffusion in lymphocyte membranes from thymus gland and spleen of rats by method of quasi-elastic scattering of slow neutrons

Grechko, L.G.; Semchuk, O.Yu.; Bila, R.V.; Slisenko, V.I.; Ostapchenko, L.I. (Поверхность, 2002)

The aqueous suspensions of lymphocyte membranes from the rat thymus gland and spleen cells were studied by the method of a quasi-elastic neutron scattering. Effect of X-ray irradiation on dynamics of water molecules in ...

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