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Keywords:

  • carbon;
  • electrochemistry;
  • enzyme catalysis;
  • mesoporous materials;
  • nanotechnology
Thumbnail image of graphical abstract

Glucose oxidase (GOx) was immobilized in magnetic mesocellular carbon foam by cross-linking with glutaraldehyde. This material has been utilized to construct a magnetically switchable bio-electrocatalytic system in which the catalytic oxidation of glucose could be switched on and off by the positioning of an external magnet near and away from the electrode (see scheme).