- Vinas P, Martinez-Castillo N, Campillo N, Hernandez-Cordoba M: Directly suspended droplet microextraction with in injection-port derivatization coupled to gas chromatography-mass spectrometry for the analysis of polyphenols in herbal infusions, fruits and functional foods. J Chromatogr A. 2011 Feb 4;1218(5):639-46. doi: 10.1016/j.chroma.2010.12.026. Epub 2010 Dec 14. [PubMed:21185565 ]
- Vinas P, Campillo N, Martinez-Castillo N, Hernandez-Cordoba M: Solid-phase microextraction on-fiber derivatization for the analysis of some polyphenols in wine and grapes using gas chromatography-mass spectrometry. J Chromatogr A. 2009 Feb 27;1216(9):1279-84. doi: 10.1016/j.chroma.2008.12.058. Epub 2008 Dec 27. [PubMed:19150539 ]