Surface-enhanced Raman scattering spectroscopy characterization and identification of foodborne bacteria

Yongliang Liu; Yud-Ren Chen; Xiangwu Nou; Kaunglin Chao

doi:10.1117/12.731275

22 October 2007 Surface-enhanced Raman scattering spectroscopy characterization and identification of foodborne bacteria

Yongliang Liu, Yud-Ren Chen, Xiangwu Nou, Kaunglin Chao

Author Affiliations +

Proceedings Volume 6761, Optics for Natural Resources, Agriculture, and Foods II; 676109 (2007) https://doi.org/10.1117/12.731275
Event: Optics East, 2007, Boston, MA, United States

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.

Citation Download Citation

Yongliang Liu, Yud-Ren Chen, Xiangwu Nou, and Kaunglin Chao "Surface-enhanced Raman scattering spectroscopy characterization and identification of foodborne bacteria", Proc. SPIE 6761, Optics for Natural Resources, Agriculture, and Foods II, 676109 (22 October 2007); https://doi.org/10.1117/12.731275

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