Ground- and Excited-state Proton Transfer Reaction of 3-Hydroxyflavone in Dimyristoylphosphatidylcholine Liposome Membrane
β Scribed by Thirunavukkuarasu Shyamala; Ashok K. Mishra
- Book ID
- 111412782
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 663 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0031-8655
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## Abstract Excitedβstate intramolecular proton transfer (ESIPT) and dual luminescence behaviour of 3βhydroxyflavone (3βHF) have been utilized to monitor its binding to liposomal membranes prepared from egg yolk phosphatydilcholine (EYPC). Additionally, absorption spectrophotometric assay has been
The excited state dynamics of jet-cooled 3-hydroxyflavone and its methanol complexes have been studied using both timeresolved dynamic measurements and excitation and emission spectroscopy. Methanol complexation has a significant effect on the molecule's emission spectrum and fluorescent lifetime, a
Recently, the excited state proton transfer has been reported in jet-cooled methanol complex of 3-hydroxyflavone ( Dawes and Wallace. However, selective excitation of the methanol cluster bands longer than the origin band ( 356.12 nn 3-HF demonstrates that no excited state proton transfer takes plac