Published 2017

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Publication details

Journal : Proceedings of SPIE, the International Society for Optical Engineering , vol. 1045319 , 2017

Publisher : SPIE - The International Society for Optics and Photonics

International Standard Numbers :
Printed : 0277-786X
Electronic : 1996-756X

Publication type : Academic article

Contributors : Ornelas-Soto, Nancy; Aguilar-Hernández, Iris; Afseth, Nils Kristian; López-Luke, Tzarara; Contreras-Torres, Flavio F.; Wold, Jens Petter

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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.