4.7 Article

SERS based point-of-care detection of food-borne pathogens

Journal

MICROCHIMICA ACTA
Volume 183, Issue 2, Pages 697-707

Publisher

SPRINGER WIEN
DOI: 10.1007/s00604-015-1698-y

Keywords

Microfluidics; Food safety; Food analysis; Principle component analysis; Linear discriminant analysis; Silver nanoparticles; Raman spectroscopy

Funding

  1. Natural Sciences and Engineering Research Council of Canada [4009929]
  2. Mitacs Globalink Program
  3. Ontario Ministry of Research and Innovation [520512]

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The authors have developed a microfluidic platform for improved detection of pathogenic bacteria by using silver nanoparticles and new platforms for chemometric data analysis, viz. a combination of principle component analysis and linear discriminant analysis. The method can distinguish eight key foodborne pathogens (E. coli, S. typhimirium, S. enteritis, Pseudomonas aeruginosa, L. monocytogenes, L. innocua, MRSA 35 and MRSA 86) and, hence, holds good promise for use in the food industry.

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