The most common method of developing latent prints on nonporous objects is to physically enhance them by applying fingerprint powder. Fingerprint powder is composed of many different ingredients ...

To make them visible, you have to find a way to detect one of these substances present in the invisible fingerprint. The easiest method is called dusting, in which you use a very fine powder that ...

Despite the vast quantity of fingerprint treatments currently available ... However, when dusted with fpNATURAL IR fluorescent powders, interference can be removed to reveal high contrast ...

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 fingerprints.

Along with good ol' fingerprint powder dusting, one process commonly used by crime scene investigators involves exposing touched objects to the fumes given off by a cyanoacrylate compound ...

And bring your crime-fighting tools with you. Two fingerprint powders, which have been around for years on the commercial market, are now proving to be potentially useful in the conservation ...

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 ...