Nanoporous functional organosilicas for sorption of toxic ions

The chemical immobilization of β-cyclodextrin and its bromoacetyl and thiosemicarbazidoacetyl functional derivatives on the surface of highly disperse amorphous nanoporous silica was performed. β-Cyclodextrin-containing silicas were found to have high affinity to mercury(II), cadmium(II), and zinc(I...

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Bibliographic Details
Published in:Russian Journal of Physical Chemistry A 2014-03, Vol.88 (3), p.489-493
Main Authors: Belyakova, L. A., Lyashenko, D. Yu
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Physical Chemistry
Physical Chemistry of Nanoclusters and Nanomaterials
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Summary:The chemical immobilization of β-cyclodextrin and its bromoacetyl and thiosemicarbazidoacetyl functional derivatives on the surface of highly disperse amorphous nanoporous silica was performed. β-Cyclodextrin-containing silicas were found to have high affinity to mercury(II), cadmium(II), and zinc(II) cations. Supramolecular surface structures formed whose chemical composition depends on the nature of the sorbed cations and the functional substituents in the attached β-cyclodextrin molecules.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024414030030