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Keywords:

  • electronic sensing;
  • organic field-effect transistors;
  • electrolyte-gated organic field-effect transistors
Thumbnail image of graphical abstract

Anchored, biotinylated phospholipids forming the capturing layers in an electrolyte-gated organic field-effect transistor (EGOFET) allow label-free electronic specific detection at a concentration level of 10 nM in a high ionic strength solution. The sensing mechanism is based on a clear capacitive effect across the PL layers involving the charges of the target molecules.