American Chemical Society's Weekly PressPac -- July 18, 2007

luding a door handle, a mug handle, a curved glass surface, and a computer screen. They exposed the imprinted gels to a highly sensitive instrument that used a beam of infrared light and an array detector to obtain images of the collected fingerprints.

The method revealed valuable chemical information about the composition of the prints, potentially giving information about the individual depositing them (e.g. smoker, vegetarian), and the presence of contaminants within the prints, which could provide clues about what possible suspects had handled (e.g. foodstuffs, drugs) and, thus could be useful in identifying a criminal, the report said. In addition, the new method kept the original fingerprints intact and available for further analysis, the researchers added.

Spectroscopic Imaging of Latent Fingermarks Collected with the Aid of a Gelatin Tape



Sergei G. Kazarian, Ph.D.
Imperial College London
London, England
Phone: 44-2075945574
E-mail: s.kazarian@imperial.ac.uk


Sandpaper: Ancient invention increasingly becomes high-tech marvel
Chemical & Engineering News

Sandpaper, a seemingly simple tool for smoothing out rough surfaces, is much more complex than meets the eye and has increasingly become a high-tech marvel, according to an article scheduled for the July 23 issue of Chemical & Engineering News (C&EN), ACS weekly n

Contact: Michael Woods
American Chemical Society

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