Investigation of the structure of chitosan hybrid systems by pH-sensitive nitroxyl radical / Mekhaev A.V., Pestov A.V., Molochnikov L.S., Kovaleva E.G., Yatluk Yu.G., Grigor'ev I.A., Kirilyuk I.A. // Russian Journal of Physical Chemistry A. - 2011. - V. 85, l. 6. - P. 987-992.

ISSN:

00360244

Type:

Article

Abstract:

Hybrid organo-inorganic materials based on the chitosan'SiO2, chitosan'Al2O3, and chitosan-cellulose systems are prepared. The structure of the surface is studied by means of EPR spectroscopy using the stable pH-sensitive nitroxyl radical, 4-dimethylamino-2-ethyl-5,5- dimethyl-2-pyridine-4-yl-2,5-dihydro-1H-imidazole-1-oxyl as adsorbed probe molecules, and the processes that occur during the formation of hybrid materials are considered. © 2011 Pleiades Publishing, Ltd.

Author keywords:

adsorption; aluminum oxide; chitosan; EPR spectroscopy; hybrid materials; silicon oxide

Index keywords:

aluminum oxide; EPR spectroscopy; Nitroxyl radical; pH sensitive; Probe molecules; Adsorption; Chitosan; Electron spin resonance spectroscopy; Hybrid systems; Paramagnetic resonance; Silicon compounds

DOI:

10.1134/S0036024411060239

Смотреть в Scopus:

https://www.scopus.com/inward/record.uri?eid=2-s2.0-79957967698&doi=10.1134%2fS0036024411060239&partnerID=40&md5=1c015ac4834f9cf8b311e8cd682d1dd6

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Link	https://www.scopus.com/inward/record.uri?eid=2-s2.0-79957967698&doi=10.1134%2fS0036024411060239&partnerID=40&md5=1c015ac4834f9cf8b311e8cd682d1dd6
Affiliations	Institute of Organic Synthesis, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620219, Russian Federation; Ural State Forest Engineering University, Yekaterinburg, 620032, Russian Federation; Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
Author Keywords	adsorption; aluminum oxide; chitosan; EPR spectroscopy; hybrid materials; silicon oxide
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Correspondence Address	Mekhaev, A. V.; Institute of Organic Synthesis, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620219, Russian Federation
Language of Original Document	English
Abbreviated Source Title	Russ. J. Phys. Chem. A
Source	Scopus