Interplay between excited-state intramolecular proton transfer and charge transfer in flavonols and their use as protein-binding-site fluorescence probes.
A comparative study is presented of competitive fluorescences of three flavonols, 3-hydroxyflavone, 3,3',4',7-tetrahydroxyflavone (fisetin), and 4'-diethylamino-3-hydroxyflavone (DHF). The normal fluorescence S1-->S0 (400-nm region) is largely replaced by the proton-transfer tautomer fluorescence S'...
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| Publicado no: | Proc Natl Acad Sci U S A |
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| Principais autores: | , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
National Academy of Sciences
1994
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC45357/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/7991566/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.91.25.11968 |
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