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PERMEABILITY OF PHEMA MEMBRANES PREPARED BY PHOTOINITIATION
Date
1993-01-01
Author
ARICA, MY
Hasırcı, Vasıf Nejat
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Poly(2-hydroxyethyl methacrylate) membranes were prepared in aqueous media with different ions and ionic strengths. The enzyme glucose oxidase was incorporated into some of these membranes. It was found that membrane water contents and ionic strengths have a linear relationship as long as the salt is not changed. When the salt was varied, only a relationship between salt concentration and water content could be observed. The membrane permeabilities were all found to be of the same order (10(-8) cm2 s-1) but the membranes were slightly more permeable to chromate ions than glucose. Incorporation of enzyme distinctly increased the water content of the membrane and permeability to both solutes.
Subject Keywords
Membrane Permeability
,
Hydrogel Membrane
,
Photoinitation
,
Poly(2-Hydroxyethyl Methacrylate) (Phema)
URI
https://hdl.handle.net/11511/31949
Journal
POLYMER INTERNATIONAL
DOI
https://doi.org/10.1002/pi.4990320211
Collections
Graduate School of Natural and Applied Sciences, Article