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FINGERPRINT CHEMISTRY: A TRANSITION OF KNOWLEDGE

FINGERPRINT CHEMISTRY: A TRANSITION OF KNOWLEDGE. Tom Atherton Ruth Croxton, Mark Baron , Jose Gonzalez-Rodriguez School of N atural and Applied S ciences. Fingerprint research network. UK. Canada. USA. Scottish police services authority. West Yorkshire police. Spain.

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FINGERPRINT CHEMISTRY: A TRANSITION OF KNOWLEDGE

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  1. FINGERPRINT CHEMISTRY: A TRANSITION OF KNOWLEDGE Tom Atherton Ruth Croxton, Mark Baron, Jose Gonzalez-Rodriguez School of Natural and Applied Sciences

  2. Fingerprint research network UK Canada USA Scottish police services authority West Yorkshire police Spain University of Lincoln Portugal Thames Valley police Israel Home Office Scientific Development Branch Brunel University Europe Australia

  3. External contaminants Sebaceous material What are fingerprints? Transfer of material from fingertip to a surface Eccrine sweat

  4. Why do we care? Transfer of chemical information into knowledge Drugs Identification of items you have been in contact with Explosives Non-forensic uses Foods, cosmetics, etc Why do we care? Forensic uses How old is a fingerprint? Ageing of a fingerprint How old is the fingerprint owner? Development of fingerprints

  5. Development of fingerprints found at crime scenes Converting invisible fingerprints into visible fingerprints

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