The influence of ionogenic groups’ nature and concentration on sorption properties and separation performance of ultrafiltraton membranes based on aromatic polyamides concerning lisozyme

  • Natalya N. Smirnova the lecturer of chemistry department, Vladimir State University named after A.G. and N.G. Stoletovs, Vladimir, smirnovann@list.ru
  • Irina A. Nebukina post graduate of the chair of chemistry department, Vladimir State University named after A.G. and N.G. Stoletovs, Vladimir
Keywords: aromatic polyamides, membranes, sorption, separation, lysozyme.

Abstract

Investigation results of sorption of lisozyme by membranes based on poly-mphenylenisophthalamide,
co-polymers of m-phenylenisophthalamide of different composition with
sulfonate-containing fragment and mixtures of poly-m-phenylenisophthalamide with co-polymer
acrilonitrile with dimethyldiallylammonium chloride in static mode and under ultrafiltration condition
have been presented. It has been shown that the Coulomb forces are the dominant ones that define the
protein/membrane interaction in the given systems, but the contribution of hydrophobic interactions is
also sufficient. It is the repulsion of Coulomb forces in the system protein/membrane that can assure the
optimum compromise of such membrane properties as selectivity and permeability.

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Published
2019-11-18
How to Cite
Smirnova, N. N., & Nebukina, I. A. (2019). The influence of ionogenic groups’ nature and concentration on sorption properties and separation performance of ultrafiltraton membranes based on aromatic polyamides concerning lisozyme. Sorbtsionnye I Khromatograficheskie Protsessy, 14(1). Retrieved from https://journals.vsu.ru/sorpchrom/article/view/1448