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Type: Artigo de periódico
Title: Separation of isomeric disaccharides by traveling wave ion mobility mass spectrometry using CO2 as drift gas
Author: Fasciotti, M
Sanvido, GB
Santos, VG
Lalli, PM
McCullagh, M
de Sa, GF
Daroda, RJ
Peter, MG
Eberlin, MN
Abstract: The use of CO2 as a massive and polarizable drift gas is shown to greatly improve peak-to-peak resolution (Rp-p), as compared with N2, for the separation of disaccharides in a Synapt G2 traveling wave ion mobility cell. Near or baseline Rp-p was achieved for three pairs of sodiated molecules of disaccharide isomers, that is, cellobiose and sucrose (Rp-p?=?0.76), maltose and sucrose (Rp-p?=?1.04), and maltose and lactose (Rp-p?=?0.74). Ion mobility mass spectrometry using CO2 as the drift gas offers therefore an attractive alternative for fast and efficient separation of isomeric disaccharides. Copyright (c) 2012 John Wiley & Sons, Ltd.
Subject: isomer resolution
traveling wave ion mobility mass spectrometry
polarizable drift gases
Country: EUA
Editor: Wiley-blackwell
Rights: fechado
Identifier DOI: 10.1002/jms.3089
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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