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Biocatalytic Activity of Polyethylene Imine Hydrogel Complexes with Transition Metal Ions

Published online by Cambridge University Press:  26 February 2011

Gulnara Bektenova ,
Nurzhan Chinibayeva  and
Essen Bekturov
Gulnara Bektenova
Affiliation:
gbektenova@rambler.ru, Institute of Chemical Sciences, Walikhanov Str., 106, Almaty, N/A, 050010, Kazakhstan
Nurzhan Chinibayeva
Affiliation:
Nurzhan@rambker.ru, Kazakhstan
Essen Bekturov
Affiliation:
bekturov@mail.ru, Kazakhstan
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Abstract

Polyethylene imine hydrogel complexes with various salts of ferric and ferrous iron and also with complex salts of iron as well as insoluble ternary complexes of various composition: low cross-linked polyethylene imine hydrogel - copper (II) nitrate - sodium dodecylbenzylsulfate have been received. Their biocatalytic properties in the reaction of hydrogen peroxide decomposition (catalase activity) have been investigated. It was shown that catalase activity of complexes depends on the salts type and valence state of iron ions. The complexes of ferric iron as well as ternary complexes are most active in the reaction of hydrogen peroxide decomposition.

Keywords

biomimetic (assembly)metalcatalytic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 897: Symposium J – Biomemetic Polymers and Gels , 2005 , 0897-J03-11
Copyright
Copyright © Materials Research Society 2006

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