A Fingermark Left on a Stainless Steel Substrate (IMAGE)

University of Leicester

A Fingermark Left on a Stainless Steel Substrate

Caption

Images of a fingermark left on a stainless steel substrate, following enhancement by electrodeposition of polypyrrole. The light regions are stainless steel that was protected by the sweat residue that was laid on top, preventing the polymer depositing onto it. The dark regions are the polymer in between the fingerprint sweat without the fluorescence 'turned on.'

Credit

University of Leicester

Usage Restrictions

Use only with credit.

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.