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Proceedings Paper

Surface-enhanced Raman scattering spectroscopy characterization and identification of foodborne bacteria
Author(s): Yongliang Liu; Yud-Ren Chen; Xiangwu Nou; Kaunglin Chao
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Paper Abstract

Rapid and routine identification of foodborne bacteria are considerably important, because of bio- / agro- terrorism threats, public health concerns, and economic loss. Conventional, PCR, and immunoassay methods for the detection of bacteria are generally time-consuming, chemical reagent necessary and multi-step procedures. Fast microbial detection requires minimal sample preparation, permits the routine analysis of large numbers of samples with negligible reagent costs, and is easy to operate. Therefore, we have developed silver colloidal nanoparticle based surface-enhanced Raman scattering (SERS) spectroscopy as a potential tool for the rapid and routine detection of E. coli and L. monocytogenes. This study presents the further results of our examination on S. typhimonium, one of the most commonly outbreak bacteria, for the characteristic bands and subsequent identification.

Paper Details

Date Published: 22 October 2007
PDF: 6 pages
Proc. SPIE 6761, Optics for Natural Resources, Agriculture, and Foods II, 676109 (22 October 2007); doi: 10.1117/12.731275
Show Author Affiliations
Yongliang Liu, Univ. of Maryland, College Park (United States)
Yud-Ren Chen, USDA Agricultural Research Ctr. (United States)
Xiangwu Nou, USDA Agricultural Research Ctr. (United States)
Kaunglin Chao, USDA Agricultural Research Ctr. (United States)

Published in SPIE Proceedings Vol. 6761:
Optics for Natural Resources, Agriculture, and Foods II
Yud-Ren Chen; George E. Meyer; Shu-I Tu, Editor(s)

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