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dc.contributor.author Kang, Jooyoun -
dc.contributor.author Lhee, SangMoon -
dc.contributor.author Lee, Jae Kyoo -
dc.contributor.author Zare, Richard N. -
dc.contributor.author Nam, Hong Gil -
dc.date.accessioned 2021-01-22T06:46:54Z -
dc.date.available 2021-01-22T06:46:54Z -
dc.date.created 2020-10-26 -
dc.date.created 2020-10-26 -
dc.date.issued 2020-10 -
dc.identifier.citation Scientific Reports, v.10, no.1, pp.16859 -
dc.identifier.issn 2045-2322 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/12595 -
dc.description.abstract Fluorescent molecular rotor dyes, including Cy3, Cy5, and Alexa Fluor 555, dissolved in micron-sized aqueous droplets (microdroplets) in oil were excited, and the fluorescence intensity was recorded as function of time. We observed lengthening of the fluorescence lifetime of these dyes at the water–oil periphery, which extended several microns inward. This behavior shows that intramolecular rotation is restricted at and near the microdroplet interface. Lengthened lifetimes were observed in water microdroplets but not in microdroplets composed of organic solvents. This lifetime change was relatively insensitive to added glycerol up to 60%, suggesting that solution viscosity is not the dominant mechanism. These restricted intramolecular rotations at and near the microdroplet periphery are consistent with the reduced entropy observed in chemical reactions in microdroplets compared to the same reaction conditions in bulk solution and helps us further understand why microdroplet chemistry differs so markedly from bulk-phase chemistry. © 2020, The Author(s). -
dc.language English -
dc.publisher Nature Publishing Group -
dc.title Restricted intramolecular rotation of fluorescent molecular rotors at the periphery of aqueous microdroplets in oil -
dc.type Article -
dc.identifier.doi 10.1038/s41598-020-73980-7 -
dc.identifier.wosid 000577475100083 -
dc.identifier.scopusid 2-s2.0-85092286546 -
dc.type.local Article(Overseas) -
dc.type.rims ART -
dc.description.journalClass 1 -
dc.citation.publicationname Scientific Reports -
dc.contributor.localauthor Kang, Jooyoun -
dc.contributor.localauthor Lhee, SangMoon -
dc.contributor.localauthor Lee, Jae Kyoo -
dc.contributor.localauthor Zare, Richard N. -
dc.contributor.localauthor Nam, Hong Gil -
dc.contributor.nonIdAuthor Kang, Jooyoun -
dc.contributor.nonIdAuthor Lhee, SangMoon -
dc.contributor.nonIdAuthor Lee, Jae Kyoo -
dc.contributor.nonIdAuthor Zare, Richard N. -
dc.identifier.citationVolume 10 -
dc.identifier.citationNumber 1 -
dc.identifier.citationStartPage 16859 -
dc.identifier.citationTitle Scientific Reports -
dc.type.journalArticle Article -
dc.description.isOpenAccess Y -
dc.subject.keywordPlus SURFACE -
dc.subject.keywordPlus WATER -
dc.subject.keywordPlus INTERFACE -
dc.subject.keywordPlus VISCOSITY -
dc.subject.keywordPlus OXIDATION -
dc.subject.keywordPlus IONS -

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