New chemical evidence for the ability to generate radical molecular ions of polyenes from ESI and HR-MALDI mass spectrometry

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dc.contributor.authorGuaratini, T.
dc.contributor.authorVessecchi, R. L.
dc.contributor.authorLavarda, F. C.
dc.contributor.authorCampos, PMBGM
dc.contributor.authorNaal, Z.
dc.contributor.authorGates, P. J.
dc.contributor.authorLopes, N. P.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv Bristol
dc.date.accessioned2014-05-20T15:26:19Z
dc.date.available2014-05-20T15:26:19Z
dc.date.issued2004-01-01
dc.description.abstractWe report here new chemical evidence for the generation of radical molecular ions of compounds with a conjugated pi-system (polyene) in ESI and HR-MALDI mass spectrometry. The oxidation potential of the neutral polyenes was calculated by cyclic-voltammetry and the results compared with those previously published for other complex conjugated compounds that have also been shown to form M.+ in ESI-MS. This study clearly demonstrates the correlation between the oxidation potential and the formation of the M.+ for the polyenes studied.en
dc.description.affiliationUniv São Paulo, Fac Ciências Farmaceut Ribeirao Preto, BR-14040903 Ribeirao Preto, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Fac Ciências, BR-17015970 Bauru, SP, Brazil
dc.description.affiliationUniv Bristol, Sch Chem, Bristol BS8 1TS, Avon, England
dc.description.affiliationUnespUniv Estadual Paulista, Fac Ciências, BR-17015970 Bauru, SP, Brazil
dc.format.extent1223-1226
dc.identifierhttp://dx.doi.org/10.1039/b412154f
dc.identifier.citationAnalyst. Cambridge: Royal Soc Chemistry, v. 129, n. 12, p. 1223-1226, 2004.
dc.identifier.doi10.1039/b412154f
dc.identifier.issn0003-2654
dc.identifier.urihttp://hdl.handle.net/11449/36499
dc.identifier.wosWOS:000225335500012
dc.language.isoeng
dc.publisherRoyal Soc Chemistry
dc.relation.ispartofAnalyst
dc.relation.ispartofjcr3.864
dc.relation.ispartofsjr1,249
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleNew chemical evidence for the ability to generate radical molecular ions of polyenes from ESI and HR-MALDI mass spectrometryen
dc.typeArtigo
dcterms.licensehttp://www.rsc.org/AboutUs/Copyright/LicencetoPublishforjournals.asp
dcterms.rightsHolderRoyal Soc Chemistry
unesp.author.orcid0000-0002-7167-6599[5]
unesp.author.orcid0000-0001-8472-3190[2]
unesp.author.orcid0000-0002-8159-3658[7]
unesp.author.orcid0000-0001-6678-1207[4]

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