Surface-enhanced resonance Raman scattering (SERRS) spectroscopy: a powerful technique for the forensic analysis of colorants?

Peter C. White; Caroline Rodger; Vicky Rutherford; Yvonne Finnon; W. Ewen Smith; Mary P. Fitzgerald

doi:10.1117/12.334517

4 February 1999 Surface-enhanced resonance Raman scattering (SERRS) spectroscopy: a powerful technique for the forensic analysis of colorants?

Peter C. White, Caroline Rodger, Vicky Rutherford, Yvonne Finnon, W. Ewen Smith, Mary P. Fitzgerald

Author Affiliations +

Proceedings Volume 3576, Investigation and Forensic Science Technologies; (1999) https://doi.org/10.1117/12.334517
Event: Enabling Technologies for Law Enforcement and Security, 1998, Boston, MA, United States

Abstract

During the past five years work in our laboratory has been concentrated on developing SERRS spectroscopy and making it a simple and robust technique for the analyses of colorants. It has proved to be highly discriminative, extremely sensitive and possible to identify dyes in mixtures without their prior separation. Additionally, by using concentrated silver colloid solutions, in-situ analyses have now been accomplished with minimal or in some cases no visual destruction of the item being examined and with virtually no background interference from the surfaces on which the stains or smears have been deposited. To illustrate the methodology and the potential of SERRS various applications including the in-situ analyses of the dyes on cotton fibers and stains from cosmetics, shoe polishes, inks and drinks on various surfaces are presented.

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Peter C. White, Caroline Rodger, Vicky Rutherford, Yvonne Finnon, W. Ewen Smith, and Mary P. Fitzgerald "Surface-enhanced resonance Raman scattering (SERRS) spectroscopy: a powerful technique for the forensic analysis of colorants?", Proc. SPIE 3576, Investigation and Forensic Science Technologies, (4 February 1999); https://doi.org/10.1117/12.334517

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