Výsledky vyhledávání - "N S, Ovchinnikova"

Iron-Bearing Microinclusions in Irghizites

Autor: Andrei Kosterov, S. Yu. Janson, P. V. Florensky, N. S. Ovchinnikova, A. M. Kulkov, P. V. Kharitonskii, E. S. Sergienko

Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 83:1317-1325

The results are presented from studying the structural phase composition of inclusions in irghizites (tektite-like impact glasses from the Zhamanshin astrobleme). The presence of micron and submicron crystalline iron-bearing minerals is detected. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::65e88215cf1ec2d00ce1baadf93eae37
https://doi.org/10.3103/s1062873819110212

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Mass spectrometric identification of multicage fullerene cycloadducts

Autor: N. S. Ovchinnikova, V. A. Ioutsi, V. Yu. Markov, Pavel A. Khavrel, Lev N. Sidorov, Pavel Samokhvalov, Nadezhda A. Samokhvalova

Publikováno v: Journal of Analytical Chemistry. 65:1495-1503

Multicage fullerene cycloadducts have been detected by MALDI mass spectrometry; they have been found as admixtures in the products of reactions of the trifluoromethylation of fullerene samples doped with metallic sodium, the reaction between fulleren

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9acf94d771f81b3a3fe1b907a0d11701
https://doi.org/10.1134/s1061934810140091

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Diastereoselective lithium salt-assisted 1,3-dipolar cycloaddition of azomethine ylides to the fullerene C60

Autor: Lev N. Sidorov, Oleg N. Kharybin, Alexander A. Zadorin, V. A. Ioutsi, Pavel A. Khavrel, N. S. Ovchinnikova, Eugenii N. Nikolaev, Marina A. Yurovskaya, Nikita M. Belov, Alexey A. Goryunkov

Publikováno v: Tetrahedron. 66:3037-3041

An efficient method for the diastereoselective synthesis of 5-substituted 3,4-fulleroproline esters based on the lithium salt-assisted cycloaddition of azomethine ylides has been developed. A series of the fulleroproline esters containing either elec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::81528fd3b24aaaaadd707a034050fd80
https://doi.org/10.1016/j.tet.2010.02.057

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New Antimicrobial Materials Based on Polymers With Nanostructured Surface Modified by Organic Fullerene[60] Derivatives

Autor: Vera M. Ellinson, Andrey N. Lyamin, Alexander V. Naumkin, Marina A. Yurovskaya, N. S. Ovchinnikova

Publikováno v: Plasma Processes and Polymers. 6:S85-S91

In the present work, the surface of natural and artificial polymers was modified by plasma treatment using reactive gases mixture, ion-beam-induced deposition of α-C:H films and organic C60 derivatives deposition. The study of prepared biomaterials

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0f6f2383616a32085e9f9176f8b806dd
https://doi.org/10.1002/ppap.200930304

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Synthesis, structures and reactivity of polyhalo[60]fullerenes

Autor: Alexey A. Goryunkov, Marina A. Yurovskaya, N. S. Ovchinnikova, Igor V. Trushkov

Publikováno v: Russian Chemical Reviews. 76:289-312

Methods for the synthesis of polyfluoro(chloro, bromo) derivatives of C60 fullerene and their structures are described. The reactivity of these compounds is demonstrated considering redox reactions, nucleophilic substitution, radical addition, cycloa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b1b51b6c7e30049ff3c05f0c808bb77
https://doi.org/10.1070/rc2007v076n04abeh003668

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Vibrational Structure in the Electronic Spectra of C60 and Fullerene Derivatives as Studied by Time-Dependent Density Functional Theory

Autor: Sergey I. Troyanov, A. N. Starukhin, N. S. Ovchinnikova, Alexey A. Popov, B. S. Razbirin, Vitaly I. Korepanov, Vladimir M. Senyavin, Marina A. Yurovskaya

Publikováno v: ECS Transactions. 2:121-132

Absorption and fluorescence spectra of fullerenes and their derivatives in the visible range often exhibit complex vibrational structure (1). Vibronic transitions may be induced by Herzberg-Teller (H-T) mechanism for the dipole-forbidden electronic t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe3a05a2f0285c5a4833c030d23672a5
https://doi.org/10.1149/1.2408958

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Negative Ions of Trifluoromethyl Fullerene Derivatives: First Thermodynamic Data

Autor: Alexey A. Goryunkov, N. S. Ovchinnikova, Natalia B. Shustova, Evgenii I. Dorozhkin, Alexander V. Astakhov, V. E. Aleshina, Andrey Ya. Borshchevsky

Publikováno v: Fullerenes, Nanotubes and Carbon Nanostructures. 12:201-207

The mixtures of trifluoromethyl derivatives of C60 were studied by Knudsen cell mass‐spectrometry. Ion–ion and electron exchange equilibria between charged and neutral species in the gas phase were investigated and the electron affinity (EA) valu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4d9109382456d4d360856ed60f80245
https://doi.org/10.1081/fst-120027157

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Double chemical modification of the rutile surface

Autor: I. A. Polunina, S. S. Mikhailova, A. A. Isirikyan, N. S. Ovchinnikova

Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 105:159-165

The successive adsorption of some aliphatic amines and carboxylic acid on titanium dioxide (rutile modification) from their vapors and toluene solutions has been studied. It was found that the efficiency of double modification of TiO2 with different

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e932ba84b9ff6af62c95a7f790dd009
https://doi.org/10.1016/0927-7757(95)03262-2

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Unexpected fullerene dimerization via [5,6]-bond upon functionalization of C(s)-C70(CF3)8 by the Bingel reaction

Autor: Lev N. Sidorov, Sergey I. Troyanov, Ilya N. Ioffe, Erhard Kemnitz, Alexey A. Goryunkov, Marina G. Apenova, Pavel A. Khavrel, N. S. Ovchinnikova, Marina A. Yurovskaya, Nikita M. Belov

Publikováno v: Dalton transactions (Cambridge, England : 2003). 40(4)

The Bingel reaction of the C(s) isomer of C(70)(CF(3))(8) has been found to yield two C(70)(CF(3))(8)[C(CO(2)Et)(2)] monoadducts and one C(70)(CF(3))(8)[C(CO(2)Et)(2)](2) bisadduct as its major products. Malonate addition occurs at those [6,6]-bonds

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82874249d41810eb23828abe05d1d5ad
https://pubmed.ncbi.nlm.nih.gov/21152554

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[Bioactive systems based on nanostructured polymers for enteral nutrition]

Autor: V M, Elinson, M A, Iurovskaia, N S, Ovchinnikova, A N, Liamin, L N, Kostiuchenko

Publikováno v: Eksperimental'naia i klinicheskaia gastroenterologiia = Experimentalclinical gastroenterology. (2)

Nanostructured materials with various methods of coating have antimicrobial activity and can be used in creation of biologically active systems with a given medical-biological characteristics. Use of organic derivatives of fullerene S60 as a new clas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::f5ae500847a35e826b0480244f526db2
https://pubmed.ncbi.nlm.nih.gov/19552022

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