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Electrical properties of glucose-sensitive hydrogels: Swelling and conductivity relationships

✍ Scribed by Schwartz, M. ;Guterman, H. ;Kost, J.

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
182 KB
Volume
41
Category
Article
ISSN
0021-9304

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✦ Synopsis

The electrical characteristics of a glucosesensitive polymeric hydrogel have been studied. The hydrogel matrices were prepared by radical polymerization of solutions containing 2-hydroxyethyl methacrylate, N,Ndimethyl aminoethyl methacrylate, tetraethylene glycol dimethacrylate, ethylene glycol, water, and glucose oxidase. The hydrogels displayed faster and higher swelling rates for lower levels of a crosslinking agent. Electrical conductivity was found to be a sensitive measurement of the state of the swelling. A simple model that relates hydrogel swelling and conductivity has been proposed.

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