Tidsskriftspublikasjon » Vitenskapelig artikkel
Ultrasensitive detection of phenolic antioxidants by surface enhanced Raman spectroscopy
Proceedings of SPIE, the International Society for Optical Engineering ; Volume 1045319. 2017
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 2.5×10-9M. 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.