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DC Field | Value | Language |
---|---|---|
dc.citation.endPage | 3943 | - |
dc.citation.number | 9 | - |
dc.citation.startPage | 3938 | - |
dc.citation.title | JOURNAL OF PHYSICAL CHEMISTRY B | - |
dc.citation.volume | 109 | - |
dc.contributor.author | Park, HJ | - |
dc.contributor.author | Kwon, Oh Hoon | - |
dc.contributor.author | Ah, CS | - |
dc.contributor.author | Jang, DJ | - |
dc.date.accessioned | 2023-12-22T10:37:44Z | - |
dc.date.available | 2023-12-22T10:37:44Z | - |
dc.date.created | 2014-11-13 | - |
dc.date.issued | 2005-03 | - |
dc.description.abstract | The excited-state tautomerization dynamics of 7-hydroxyquinoline encapsulated in β-cyclodextrin is compared with that in pure water by measuring isotope-dependent fluorescence kinetics as well as absorption and emission spectra. The normal species tautomerizes stepwise via forming anionic intermediate species in both systems. However, the enol-deprotonation time (40 ps in water) becomes as large as 170 ps whereas the imine-protonation time of the anionic intermediate (160 ps in water) becomes as short as 85 ps in β-cyclodextrin. The slow formation and the fast decay of the anionic species are attributed to the unstability of the charged species in hydrophobic cages. Encapsulation can be utilized to enhance fluorescence enormously and to accelerate selective reactions by retarding other processes. | - |
dc.identifier.bibliographicCitation | JOURNAL OF PHYSICAL CHEMISTRY B, v.109, no.9, pp.3938 - 3943 | - |
dc.identifier.doi | 10.1021/jp046817m | - |
dc.identifier.issn | 1520-6106 | - |
dc.identifier.scopusid | 2-s2.0-15544374544 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/8785 | - |
dc.identifier.url | http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=15544374544 | - |
dc.identifier.wosid | 000227479400038 | - |
dc.language | 영어 | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Excited-state tautomerization dynamics of 7-hydroxyquinoline in beta-cyclodextrin | - |
dc.type | Article | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | PROTON-TRANSFER REACTIONS | - |
dc.subject.keywordPlus | PHOTOINDUCED COUPLED PROTON | - |
dc.subject.keywordPlus | SUPER PHOTOACIDS |
- |
dc.subject.keywordPlus | AB-INITIO | - |
dc.subject.keywordPlus | AQUEOUS 7-HYDROXYQUINOLINE | - |
dc.subject.keywordPlus | INTERMOLECULAR VIBRATIONS |
- |
dc.subject.keywordPlus | ELECTRON TRANSFERS | - |
dc.subject.keywordPlus | SOLVATION DYNAMICS | - |
dc.subject.keywordPlus | BIOLOGICAL-SYSTEMS | - |
dc.subject.keywordPlus | FREE-ENERGY | - |
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