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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, Maíra
Sanvido, Gustavo B
Santos, Vanessa G
Lalli, Priscila M
McCullagh, Michael
de Sá, Gilberto F
Daroda, Romeu J
Peter, Martin G
Eberlin, Marcos N
Abstract: The use of CO(2) as a massive and polarizable drift gas is shown to greatly improve peak-to-peak resolution (R(p-p) ), as compared with N(2) , for the separation of disaccharides in a Synapt G2 traveling wave ion mobility cell. Near or baseline R(p-p) was achieved for three pairs of sodiated molecules of disaccharide isomers, that is, cellobiose and sucrose (R(p-p)  = 0.76), maltose and sucrose (R(p-p)  = 1.04), and maltose and lactose (R(p-p)  = 0.74). Ion mobility mass spectrometry using CO(2) as the drift gas offers therefore an attractive alternative for fast and efficient separation of isomeric disaccharides.
Subject: Carbon Dioxide
Mass Spectrometry
Citation: Journal Of Mass Spectrometry : Jms. v. 47, n. 12, p. 1643-7, 2012-Dec.
Rights: fechado
Identifier DOI: 10.1002/jms.3089
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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