ArticlePhotochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology2026
Photophysical properties and acid-base equilibria of lumichrome anions in nonaqueous media.
Article in Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Concentration-driven structural evolution and enhanced photoluminescence dynamics in HoRSC advances · 2026Article
- Exploring the photodynamical landscape of biomimetic lumichrome-ephedrine-class amine complexes across femtosecond to millisecond regimes.Communications chemistry · 2026Article
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7 authors.
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Abstract
This study investigated the photophysical properties and acid-base equilibria of lumichrome (Lch) in acetonitrile and dimethyl sulfoxide. The methodology involved adding a base, such as tetrabutylammonium acetate and phosphate, to induce deprotonation. The resulting species were characterized using spectrophotometric and time-resolved fluorescence measurements, with structural assignments confirmed using methylated Lch derivatives.The addition of bases to a solution of Lch in acetonitrile or dimethyl sulfoxide led to ground-state deprotonation and the simultaneous formation of two monoanionic species: the alloxazinic and isoalloxazinic anions. The ground-state acidity constants (pK
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