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Proceedings Paper

Ultrasensitive detection of phenolic antioxidants by surface enhanced Raman spectroscopy
Author(s): N. Ornelas-Soto; I. A. Aguilar-Hernández; N. Afseth; T. López-Luke; F. F. Contreras-Torres; J. P. Wold
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Paper Abstract

Surface-Enhanced Raman Spectroscopy (SERS) is a powerful surface-sensitive technique to study the vibrational properties of analytes at very low concentrations. In this study, ferulic acid, p-coumaric acid, caffeic acid and sinapic acid were analyzed by SERS using Ag colloids. Analytes were detected up to 2.5x10-9M. For caffeic acid and coumaric acid, this detection limit has been reached for the first time, as well as the SERS analysis of sinapic acid using silver colloids.

Paper Details

Date Published: 22 August 2017
PDF: 6 pages
Proc. SPIE 10453, Third International Conference on Applications of Optics and Photonics, 1045319 (22 August 2017); doi: 10.1117/12.2272054
Show Author Affiliations
N. Ornelas-Soto, Tecnológico de Monterrey (Mexico)
I. A. Aguilar-Hernández, Tecnológico de Monterrey (Mexico)
N. Afseth, Nofima AS (Norway)
T. López-Luke, Ctr. de Investigaciones en Óptica, A.C. (Mexico)
F. F. Contreras-Torres, Tecnológico de Monterrey (Mexico)
J. P. Wold, Nofima AS (Norway)

Published in SPIE Proceedings Vol. 10453:
Third International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. M. Martins Costa, Editor(s)

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