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2015/03/30

Independent March 30, 2015: How researchers are set to leave their marks on solving crime

University researchers have developed a new way of identifying substances in fingermarks left at crime scenes, which has the potential to be a key weapon for detectives attempting to bring criminals to justice.

The technology, which is now being trialled by West Yorkshire Police, could lead to the biggest change in forensic fingerprinting in its 100-year history.

Dr Simona Francese is a reader, researcher and chemist at Sheffield Hallam University, and she's responsible for developing the new technique.

In 2008, she had been working with matrix-assisted laser desorption/ionization (or MALDI for short), a type of mass spectrometry imaging used by doctors to diagnose diseases at a molecular level. She knew MALDI was versatile, and was looking for new ways to use it.

“I'm a chemist but I've always been interested in forensic science” she says. “I thought it would be extremely informative if we could use MALDI in forensics, so we began to test the idea of analysing fingerprints using MALDI.” more

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