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Keywords:

  • ion channels;
  • membranes;
  • nanostructures;
  • potentiometry;
  • sensors
Thumbnail image of graphical abstract

Pretty choosy: The selectivity filters of biological ion channels serve as inspiration for the development of ionophore-modified solid-state nanopores exhibiting extraordinary ion selectivity (see picture). Potentiometric transduction is introduced as a simple means to demonstrate the ion-sensing capability of such nanopores.