www.electrophoresis-journal.com Page 1 Electrophoresis Received: 10 31, 2015; Revised: 12 22, 2015; Accepted: 01 19, 2016 This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/elps.201500494. This article is protected by copyright. All rights reserved. Title: Foodomics imaging by mass spectrometry and magnetic resonance Authors: Núria Canela 1,2 , Miguel Ángel Rodríguez 1,2 , Isabel Baiges 1,2 , Pedro Nadal 1-3 , Lluís Arola 2,3 1 Group of Research on Omic Methodologies (GROM) 2 Centre for Omic Sciences (COS) 3 Centre Tecnològic de Nutrició i Salut (CTNS) Corresponding author: Prof. Lluís Arola Av. Universitat, 1 43204, Reus (Spain) Telephone: +34 977 300747 Fax: +34 977301350 e-mail: lluis.arola@urv.cat A list of abbreviations used in the paper 2,5-DHB 2,5-dihydroxybenzoic acid AFM Atomic force microscopy AP-MALDI atmospheric pressure MALDI DAPPI desorption atmospheric pressure photoionization DART direct analysis in real time DESI desorption electrospray ionisation DIOS desorption/ionisation on porous silicon ELDI electrospray- assisted laser desorption/ionization FTICR Fourier transform ion cyclotron resonance FT-Orbitrap Fourier transform Orbitrap HCD higher energy collision dissociation IMS imaging mass spectrometry ITO conductive indium tin oxide LAESI laser-assisted electrospray ionisation LA-FAPA laser absorption with flowing atmospheric pressure afterglow LPS lysophosphatidylcholine MRI magnetic resonance imaging NIMS nanostructure initiator mass spectrometry NIR near-infrared hyperspectral imaging OCT optimal cutting temperature polymers PESI probe electrospray ionization S/N signal to noise SA sinapinic acid SDAPCI surface desorption atmospheric pressure chemical ionisation