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Keywords:

  • electrochemiluminescence imaging;
  • fingerprints;
  • ridge details;
  • spatial control;
  • visualization enhancement
Thumbnail image of graphical abstract

By exposing an electrode surface with a latent fingerprint to electrochemiluminescence (ECL)-generating luminophore, ECL is produced from the surface not covered by the fingerprint, generating a negative image (see picture, left). The fingerprint can also be pre-stained by luminophores, which generates ECL and yields a positive image (right). ITO=indium tin oxide.