Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/10536
DC FieldValueLanguage
dc.contributor.authorNunes, Rui M. D.-
dc.contributor.authorPineiro, Marta-
dc.contributor.authorArnaut, Luís G.-
dc.date.accessioned2009-07-07T14:29:46Z-
dc.date.available2009-07-07T14:29:46Z-
dc.date.issued2009-07-08-
dc.identifier.citationJournal of the American Chemical Society. 131:26 (2009) 9456-9462en_US
dc.identifier.issn0002-7863-
dc.identifier.urihttp://hdl.handle.net/10316/10536-
dc.description.abstractThe ability to change the acidity of an aqueous solution within the time of a short laser pulse and use the resulting low pH to drive acid-catalyzed reactions in the irradiated volume opens news perspectives for the spatial and temporal control of a variety of processes. Persistent and reversible acidification of an aqueous solution is achieved with a new molecule, 1-(2-nitroethyl)-2-naphthol, that combines the fast photoacid properties of an aromatic alcohol with the slow proton transfer rates of a nitroalkane. The protons released in a few nanoseconds by pulsed laser excitation of the photoacid last for nearly one second in aqueous solutions. We show that acid−base equilibria with other species is established at the lower pHs of the irradiated volume, that the process is reversible and that it can be maintained under continuous irradiation.en_US
dc.language.isoengen_US
dc.publisherAmerican Chemical Societyen_US
dc.rightsopenAccesseng
dc.titlePhotoacid for Extremely Long-Lived and Reversible pH-Jumpsen_US
dc.typearticleen_US
dc.identifier.doi10.1021/ja901930c-
uc.controloAutoridadeSim-
item.fulltextCom Texto completo-
item.languageiso639-1en-
item.grantfulltextopen-
crisitem.author.deptFaculdade de Ciências e Tecnologia, Universidade de Coimbra-
crisitem.author.deptFaculdade de Ciências e Tecnologia, Universidade de Coimbra-
crisitem.author.parentdeptUniversidade de Coimbra-
crisitem.author.parentdeptUniversidade de Coimbra-
crisitem.author.researchunitCoimbra Chemistry Center-
crisitem.author.researchunitCoimbra Chemistry Center-
crisitem.author.orcid0000-0002-7460-3758-
crisitem.author.orcid0000-0002-3223-4819-
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais
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