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Interaction of catalase with cationic hydrogels: Influence of pH, kinetics of process and isotherms of adsorption

✍ Scribed by G. A. Bektenova; S. E. Kudaibergenov; E. A. Bekturov

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
101 KB
Volume
10
Category
Article
ISSN
1042-7147

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✦ Synopsis

The adsorption interaction of catalase Penicillium vitale with cationic polymer hydrogels prepared from the vinyl ether of monoethanolamine was studied at various pHs of phosphate buffer solution, interaction times and enzyme concentrations. The hydrogels behaved as anion exchange swellable gel adsorbents. The formation of stable poly-mer±protein complexes with high enzymatic activity has been shown. The dependence of the interaction degree of protein macromolecules on swelling coefficients of gel has been found. The isotherms of protein adsorption indicate the thermodynamical irreversibility of the process.

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