Deactivation of Pyrene Derivatives by Nitroxides in AOT Reverse Micelles. Dependence of Quenching Efficiency on the Probe and Quencher Location in the Microaggregates

Influence of Polarity and Viscosity of t

Influence of Polarity and Viscosity of the Micellar Interface on the Fluorescence Quenching of Pyrenic Compounds by Indole Derivatives in AOT Reverse Micelles Solutions

✍ Marcela S Altamirano; Claudio D Borsarelli; Juan J Cosa; Carlos M Previtali 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 132 KB

The fluorescence quenching of the pyrene derivatives (4-(1pyrenyl)butyl) trimethylammonium bromide (PBTMA), (1-(1pyrenyl)methyl) trimethylammonium iodide (PMTMA), and 1-pyrene sulfonic acid (PSA) by indole methyl substituted in positions 1 and 2, tryptophan and tryptamine, was studied in AOT/ heptan