Multiphase material containing poly(l-glutamate) for biomembrane mimetic sensors

Koji Nakano, Yuji Fujita, Mizuo Maeda, Makoto Takagi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Since membrane-bound macromolecules provide the most general and powerful mechanisms for biological ion sensing and ion channelling, a new type of polymer-modified electrode was designed: a multiphase material consisting of poly(styrene-co-acrylonitrile) and poly(l-glutamate) was synthesized as the block copolymer. The material has enabled polypeptides to be immobilized onto electrodes just by dipping. Electrochemical responses towards Ca2+ were obtained based on the permeability change of the redox-active species as the indicator. The modified electrode has remarkable stability due to the vinyl polymer chains which serve as building blocks of the membrane.

Original languageEnglish
Pages (from-to)3997-4000
Number of pages4
Issue number19
Publication statusPublished - 1992

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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