A redox responsive polymeric gel based on ionic crosslinking

Shih To Fei, Mwita V.B. Phelps, Yang Wang, Eric Barrett, Farhan Gandhi, Harry R. Allcock

Research output: Contribution to journalArticlepeer-review

36 Scopus citations


We report here an electrochemically responsive polymer hydrogel based on ionic crosslinking. The crosslinking by metal cations and anionic carboxylic acid side groups can be controlled by redox reactions. The crosslinks dissociate when the cation crosslinker is reduced to a lower oxidation state and reform following oxidation, which leads to a reversible and localized swelling-contraction. By choosing biocompatible components and miniaturization designs, the system has potential in microrobotic and biomedical applications.

Original languageEnglish (US)
Pages (from-to)397-401
Number of pages5
JournalSoft Matter
Issue number5
StatePublished - Jul 12 2006

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Condensed Matter Physics


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