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Type: Artigo de periódico
Title: Resolution of isomeric multi-ruthenated porphyrins by travelling wave ion mobility mass spectrometry
Author: Lalli, Priscila M.
Iglesias, Bernardo A.
Deda, Daiana K.
Toma, Henrique E.
de Sa, Gilberto F.
Daroda, Romeu J.
Araki, Koiti
Eberlin, Marcos N.
Abstract: The ability of travelling wave ion mobility mass spectrometry (TWIM-MS) to resolve cationic meta/para and cis/trans isomers of mono-, di-, tri- and tetra-ruthenated supramolecular porphyrins was investigated. All meta isomers were found to be more compact than the para isomers and therefore mixtures of all isomeric pairs could be properly resolved with baseline or close to baseline peak-to-peak resolution (Rp-p). Di-substituted cis/trans isomers were found, however, to present very similar drift times and could not be resolved. N-2 and CO2 were tested as the drift gas, and similar a but considerably better values of R-p and Rp-p were always observed for CO2. Copyright (C) 2012 John Wiley & Sons, Ltd.
Editor: Wiley-Blackwell
Citation: Rapid Communications In Mass Spectrometry. Wiley-Blackwell, v.26, n.3, p.263-268, 2012
Rights: fechado
Identifier DOI: 10.1002/rcm.5314
Date Issue: 2012
Appears in Collections:IQ - Artigos e Outros Documentos

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