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A potentiostatic study of oxygen transmissibility and permeability through hydrogel membranes

Paper ID Volume ID Publish Year Pages File Format Full-Text
13847 924 1998 7 PDF Available
Title
A potentiostatic study of oxygen transmissibility and permeability through hydrogel membranes
Abstract

The permeability characteristics of membranes prepared from hydrogels of poly(2-hydroxyethylmethacrylate) (PHEMA) and poly(2-hydroxyethylmethacrylate-co-N, N-dimethylacrylamide) (PHNDA) are described. True values of the permeability and transmissibility coefficients of oxygen in the membranes are determined by using electrochemical procedures involving the measurement of the steady state current either in membranes with different thickness or in a single membrane in which its thickness is varied with layers of moistened paper. Comparison of the results obtained for the transport properties in these hydrogels with others obtained in other hydrogels permit to conclude that the degree of swelling rather than the chemical nature of the hydrogels affects the permeation properties. The chemical structure presumably only affects in high degree the chemical stability and flexibility of the hydrogel membranes.

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A potentiostatic study of oxygen transmissibility and permeability through hydrogel membranes
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 19, Issue 23, December 1998, Pages 2139-2145
Authors
Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us