Ultralow voltage, OTFT-based sensor for label-free DNA detection.

  title={Ultralow voltage, OTFT-based sensor for label-free DNA detection.},
  author={Silvia Lai and Monia Demelas and Giulia Casula and Piero Cosseddu and Massimo Barbaro and Annalisa Bonfiglio},
  journal={Advanced materials},
  volume={25 1},
An organic ultralow voltage field effect transistor for DNA hybridization detection is presented. The transduction mechanism is based on a field-effect modulation due to the electrical charge of the oligonucleotides, so label-free detection can be performed. The device shows a sub-nanometer detection limit and unprecedented selectivity with respect to single nucleotide polymorphism. 
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