US $20 banknote dusted with fpNATURAL®2, illuminated in the near-IR and examined at 850nm. Despite the vast quantity of fingerprint treatments currently available, examiners continue to be ...

Spirulina, a substance extracted from naturally occurring algae, is non-toxic and fluoresces brightly in the infrared and once ground to a fine powder, is ideal for dusting fingerprint ...

The course introduces high school students to forensic professionals' techniques to gather evidence and solve crimes.

A powder made up of zinc oxide nanoparticles can give crime fighters a clearer image of fingerprints, ... much smaller than the current 10 micrometre fingerprint powder particles.

Instead of using a powder that sticks to fingerprint residue, they created an electrochromic polymer film that doesn’t. The film does form on metal surfaces – and changes color – when an ...