Abstract
Organomodified aluminosilicates for purification of biological solutions were prepared from a natural zeolite. The synthesis was performed by chemical deposition of chitosan on the zeolite surface followed by successive treatment with a solution of copper sulfate and a solution of potassium ferricyanide. The composition of sorbents was determined by elemental analysis. The physicochemical properties of the starting and modified zeolites were studied by the positron annihilation spectroscopy, IR spectroscopy, powder X-ray diffraction, and scanning electron microscopy, while the adsorption properties were examined by sorption of brilliant green. The adsorption behavior of the zeolites toward endotoxins was assessed. The sorbent containing the ferricyanide-chitosan complex was found to have the highest sorption capacity for lipopolyssacharides (endotoxins).
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Original Russian Text © N.P. Shapkin, I.M. Ermak, V.I. Razov, V.N. Davydova, I.G. Khal’chenko, A.L. Shkuratov, 2014, published in Zhurnal Neorganicheskoi Khimii, 2014, Vol. 59, No. 6, pp. 766–771.
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Shapkin, N.P., Ermak, I.M., Razov, V.I. et al. Preparation of organomodified aluminosilicates for purification of biological solutions. Russ. J. Inorg. Chem. 59, 587–591 (2014). https://doi.org/10.1134/S0036023614060187
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DOI: https://doi.org/10.1134/S0036023614060187