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fingerprints News
To catch a thief...use MALDI-MSI
Oct 1, 2011 — MALDI-MSI can detect fingerprint components originating both within the suspect’s body and outside of it. Fingerprints can be highly incriminating, and they will become even more so, thanks to a technique that could help crime-scene...
Getting a foot in the door: The role of photonics in modern security systems
Oct 1, 2009 — In times past, a guard might demand someone entering his domain to “halt and be identified.” Today that job is increasingly done by security ID systems using a variety of techniques, including photonic ones such as lasers, optical media and optic...
Films Reveal Explosives
SAN DIEGO, May 30, 2008 -- New spray-on films that glow blue under ultraviolet light and can distinguish between different types of volatile chemicals are being used to quickly and easily detect explosives. A recent episode of “CSI: Miami” featured the technology,...
Fluorescence Reveals Salt in Fingerprints
Apr 4, 2005 — LOS ALAMOS, N.M., April 4 -- University of California scientists working at Los Alamos National Laboratory have developed a novel method to detect fingerprints based on the chemical elements present in fingerprint residue. Known as micro-x-ray...
Cleaning Standards for Fiber Optic Connectors Promise Time and Cost Savings
Jun 1, 2004 — A cleaning standard for fiber optic connectors could save industry millions of dollars annually. Contamination of connector end faces — in the form of something as simple as dust particles or fingerprints — can change light propagation through the...
Light Kit Is Lower-Cost Crime Fighter
Dec 1, 2003 — It has been a little more than a hundred years since Scotland Yard bagged its first criminal by using fingerprints as evidence. The technology for lifting a print back then was elementary, my dear Watson. It involved dusting it with charcoal and...
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April 2024
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