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Chemistry Researchers Create New Tool to Visualize Bloodstains
Date:11/19/2010

the chemicals it can identify is blood, even when it is diluted to as little as one part blood in 100 parts water.

The system they designed enables the camera to detect contrasts, thus making invisible stains and patterns emerge from a background of four different types of fabric. It can also distinguish whether the stain was made by substances such as blood, household bleach, rust, soda and coffee.

"This technique can be used to detect a contrast for any surface stain," Morgan said, adding it would have other possible forensic and industrial applications.

"The advantage is we can identify a spot where there is blood and then do confirmatory tests and DNA tests," he said.

Morgan said more tests are needed before the camera finds its way to crime scenes.

"This is not next week's CSI tool," he said. "We still have to do validation studies and real-world studies."

Funding for the study came from the National Institute of Justice. The researchers have been working on the project since January 2008.

This news release was issued on behalf of Newswise(TM). For more information, visit http://www.newswise.com.


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SOURCE University of South Carolina
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