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Type: Artigo de periódico
Title: Separation of steroid isomers by ion mobility mass spectrometry
Author: Ahonen, L
Fasciotti, M
af Gennas, GB
Kotiaho, T
Daroda, RJ
Eberlin, M
Kostiainen, R
Abstract: Ion mobility mass spectrometry performed in a compact traveling wave cell (TWIM-MS) is shown to provide a reliable, fast and repeatable method to separate derivatized steroid isomers. Three steroid isomer pairs were analyzed in their native form and as their p-toluenesulfonyl isocyanate derivatives. The native steroids were separated from each other, but no separation could be attained for the isomers. The derivatized steroid isomers were, however, properly separated by TWIM-MS with peak-to-peak resolutions close to or as high as baseline resolution (Rp-p = 0.77-1.08). (C) 2013 Elsevier B.V. All rights reserved.
Subject: Ion mobility mass spectrometry
Steroid isomers
Collision cross section
Country: Holanda
Editor: Elsevier Science Bv
Citation: Journal Of Chromatography A. Elsevier Science Bv, v. 1310, n. 133, n. 137, 2013.
Rights: fechado
Identifier DOI: 10.1016/j.chroma.2013.08.056
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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