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Online ISSN: 1439-7641
Inside Cover: Theoretical Photodynamic Study of the Photoprotolytic Cycle of Firefly Oxyluciferin (ChemPhysChem 12/2013)
On p. 2711 J. C. G. Esteves da Silva et al. examine why the fluorescence of firefly oxyluciferin in aqueous solution is pH-sensitive, even though there is only one emitting species: the enolate anion. The pH-sensitive fluorescence is explained by the formation of enolate stacking complexes, which adopt different conformations with different pH values, thus leading to the emission of different wavelenghts.