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

M. Schwartz, H. Guterman, J. Kost

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The electrical characteristics of a glucose-sensitive polymeric hydrogel have been studied. The hydrogel matrices were prepared by radical polymerization of solutions containing 2-hydroxyethyl methacrylate, N,N- dimethyl 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.

Original languageEnglish
Pages (from-to)65-70
Number of pages6
JournalJournal of Biomedical Materials Research
Volume41
Issue number1
DOIs
StatePublished - 1 Jul 1998

Keywords

  • Conductivity
  • Hydrogels
  • Immobilized enzymes
  • Responsive polymers
  • Swelling

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