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첨단연성물질 연구단
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Residence and diffusion of a dynamically prototropic hydration probe in AOT reverse micelles

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dc.contributor.authorAniruddha Adhikari-
dc.contributor.authorJae-Heon Park-
dc.contributor.authorHak-Won Nho-
dc.contributor.authorOh-Hoon Kwon-
dc.date.accessioned2020-12-22T06:26:24Z-
dc.date.accessioned2020-12-22T06:26:24Z-
dc.date.available2020-12-22T06:26:24Z-
dc.date.available2020-12-22T06:26:24Z-
dc.date.created2020-11-09-
dc.date.issued2020-12-15-
dc.identifier.issn0167-7322-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/8439-
dc.description.abstractWe investigated the hydration dynamics in the nanosized water pool of an Aerosol-OT (AOT) reverse micelle (RM) using a prototropic (proton-donating) fluorescent dye, N-methyl-7-hydroxyquinolinium (NM7HQ(+)), as the probe. NM7HQ(+) is a photoacid, and the deprotonation of its excited-state cationic form (C*) gives rise to a neutral keto species (K*). In the present study, the residence sites of C* and K* in water pools of various sizes were determined by monitoring their time-resolved fluorescence anisotropy. Additionally, the evolutions of the C* and K* bands in the time-resolved fluorescence spectra were analyzed by fitting the spectra to the sum of two lognormal peak functions. The time-dependent spectral shifts of the species with different formal charges revealed the characteristic hydration behavior at the interface of the anionic AOT headgroups and the bound water region, as well as the rotational and translational diffusion of the probe within the RM. (C) 2020 Elsevier B.V. All rights reserved.-
dc.description.uri1-
dc.language영어-
dc.publisherELSEVIER-
dc.subjectSOLVATION DYNAMICS-
dc.subjectPROTON-TRANSFER-
dc.subjectFLUORESCENCE DEPOLARIZATION-
dc.subjectWATER-
dc.subjectSIZE-
dc.subjectSPECTRA-
dc.subject7-HYDROXYQUINOLINE-
dc.subjectCOUMARIN-153-
dc.subjectRELAXATION-
dc.subjectALCOHOL-
dc.titleResidence and diffusion of a dynamically prototropic hydration probe in AOT reverse micelles-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000599278500037-
dc.identifier.scopusid2-s2.0-85091783813-
dc.identifier.rimsid73314-
dc.contributor.affiliatedAuthorJae-Heon Park-
dc.contributor.affiliatedAuthorOh-Hoon Kwon-
dc.identifier.doi10.1016/j.molliq.2020.114346-
dc.identifier.bibliographicCitationJOURNAL OF MOLECULAR LIQUIDS, v.320, pp.114346-
dc.citation.titleJOURNAL OF MOLECULAR LIQUIDS-
dc.citation.volume320-
dc.citation.startPage114346-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryPhysics, Atomic, Molecular & Chemical-
dc.subject.keywordPlusSOLVATION DYNAMICS-
dc.subject.keywordPlusPROTON-TRANSFER-
dc.subject.keywordPlusFLUORESCENCE DEPOLARIZATION-
dc.subject.keywordPlusWATER-
dc.subject.keywordPlusSIZE-
dc.subject.keywordPlusSPECTRA-
dc.subject.keywordPlus7-HYDROXYQUINOLINE-
dc.subject.keywordPlusCOUMARIN-153-
dc.subject.keywordPlusRELAXATION-
dc.subject.keywordPlusALCOHOL-
dc.subject.keywordAuthorDiffusion-
dc.subject.keywordAuthorFluorescence anisotropy-
dc.subject.keywordAuthorPrototropy-
dc.subject.keywordAuthorReverse micelle-
dc.subject.keywordAuthorSolvation dynamics-
dc.subject.keywordAuthorWater-
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > 1. Journal Papers (저널논문)
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