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Electrochemistry communications v.75, 2017년, pp.17 - 20   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Cathodic supply of electrons to living microbial cells via cytocompatible redox-active polymers

Kaneko, Masahiro (Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan ) ; Ishikawa, Masahito (Department of Biotechnology, Graduate School of Engineering, Nagoya University, Furocho, Chikusa-ku, Nagoya 464-8603, Japan ) ; Song, Jieun (Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan ) ; Kato, Souichiro (Research Center for Solar Energy Chemistry, Osaka University, 1-3, Machikaneyama, Toyonaka, Osaka 560-8531, Japan ) ; Hashimoto, Kazuhito (National Institute for Materials Science, 1-2-1 Sengen, Tsukuba-city, Ibaraki 305-0047, Japan ) ; Nakanishi, Shuji (Research Center for Solar Energy Chemistry, Osaka University, 1-3, Machikaneyama, Toyonaka, Osaka 560-8531, Japan ) ;
  • 초록  

    Abstract Redox-active polymers composed of 2-methacryloyloxyethyl phosphorylcholine (MPC) and redox-active units are a new category of cytocompatible electron mediators which possess permeability of cell membranes. However, supply of electrons to living cells through the cytocompatible redox polymers has not been achieved so far due to the high redox potential of the redox polymers. Here we report that electrons were successfully supplied from a cathode into Escherichia coli cells, generating the current density of 7.8μAcm −2 at −0.40V vs. SHE. It was also revealed that the cytocompatibility of viologen was improved simply by co-polymerization with MPC. Highlights A new cytocompatible polymer with redox-active viologen moiety, was synthesized. The cytotoxicity of the viologen monomer was alleviated by copolymerization with MPC. Electrons were supplied from a cathode into Escherichia coli via the polymer. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    Extracellular electron transfer .   Intracellular redox state .   Redox polymer .   Electron mediator.  

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