Paper
22 August 2017 Ultrasensitive detection of phenolic antioxidants by surface enhanced Raman spectroscopy
N. Ornelas-Soto, I. A. Aguilar-Hernández, N. Afseth, T. López-Luke, F. F. Contreras-Torres, J. P. Wold
Author Affiliations +
Proceedings Volume 10453, Third International Conference on Applications of Optics and Photonics; 1045319 (2017) https://doi.org/10.1117/12.2272054
Event: Third International Conference on Applications of Optics and Photonics, 2017, Faro, Portugal
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.
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N. Ornelas-Soto, I. A. Aguilar-Hernández, N. Afseth, T. López-Luke, F. F. Contreras-Torres, and J. P. Wold "Ultrasensitive detection of phenolic antioxidants by surface enhanced Raman spectroscopy", Proc. SPIE 10453, Third International Conference on Applications of Optics and Photonics, 1045319 (22 August 2017); https://doi.org/10.1117/12.2272054
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KEYWORDS
Surface enhanced Raman spectroscopy

Silver

Molecules

Raman spectroscopy

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