Investigation of the structure of chitosan hybrid systems by pH-sensitive nitroxyl radical |
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| Authors: | A V Mekhaev A V Pestov L S Molochnikov E G Kovaleva Yu G Yatluk I A Grigor’ev I A Kirilyuk |
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| Institution: | 1.Institute of Organic Synthesis,Ural Branch of Russian Academy of Sciences,Yekaterinburg,Russia;2.Ural State Forest Engineering University,Yekaterinburg,Russia;3.Novosibirsk Institute of Organic Chemistry, Siberian Branch,Russian Academy of Sciences,Novosibirsk,Russia |
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| Abstract: | Hybrid organo-inorganic materials based on the chitosan-SiO2, chitosan-Al2O3, and chitosancellulose 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. |
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