Issue 12, 2004

The application of a SERS fiber probe for the investigation of sensitive biological samples

Abstract

The applicability of an etched and silver or gold coated SERS fiber probe in combination with a commercially available laboratory micro-Raman setup or a home built mobile micro-Raman setup to perform on-site field measurements was evaluated and successfully tested on different biological samples. The SERS fiber probe allows one to perform measurements with high spatial resolution. Simultaneously, the laser power used for Raman spectroscopy on biological samples as compared with conventional Raman experiments can be reduced by more than two orders of magnitude. This experimental arrangement was tested to investigate sensitive biological samples like mint plants (Bergamot mint, spear mint) and citrus fruits (kumquat). Furthermore, traces of fungicides on wine leaves were detected by means of such a SERS fiber probe setup.

Article information

Article type
Paper
Submitted
30 Jul 2004
Accepted
08 Oct 2004
First published
10 Nov 2004

Analyst, 2004,129, 1193-1199

The application of a SERS fiber probe for the investigation of sensitive biological samples

R. Geßner, P. Rösch, R. Petry, M. Schmitt, M. A. Strehle, W. Kiefer and J. Popp, Analyst, 2004, 129, 1193 DOI: 10.1039/B411690A

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