Two-photon absorbing 8-hydroxy-benzo[g]coumarins with giant Stokes shifts: an environment-insensitive dye platform for probing biomolecules

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dc.contributor.authorSarkar, Souravko
dc.contributor.authorSantra, Mithunko
dc.contributor.authorSingha, Subhankarko
dc.contributor.authorJun, Yong Woongko
dc.contributor.authorReo, Ye Jinko
dc.contributor.authorKim, Hye Rimko
dc.contributor.authorAhn, Kyo Hanko
dc.date.accessioned2023-05-03T07:01:45Z-
dc.date.available2023-05-03T07:01:45Z-
dc.date.created2023-05-03-
dc.date.created2023-05-03-
dc.date.created2023-05-03-
dc.date.issued2018-07-
dc.identifier.citationJOURNAL OF MATERIALS CHEMISTRY B, v.6, no.27, pp.4446 - 4452-
dc.identifier.issn2050-7518-
dc.identifier.urihttp://hdl.handle.net/10203/306524-
dc.description.abstractFluorescent compounds with distinct photophysical properties are essential for the development of optical probes for chemical, biological, and environmental species, in addition to optoelectronic devices. In this context, we synthesized a series of 3-substituted-8-hydroxybenzo[g] coumarin derivatives and characterized their photophysical and cellular imaging properties. Being dipolar pi-extended coumarin analogues, they have intramolecular charge-transfer character and good two-photon imaging capability, as shown for two selected dyes. Most of the dyes emit in a wavelength range of 530-580 nm in aqueous media and show large Stokes shifts as high as 197 nm. In spite of its dipolar nature, the 3-pyridinium-substituted derivative 5h notably shows insignificant solvatochromism as well as viscosity-and polarity-insensitive emission intensity, offering an ideal dye platform for probing biological targets. As a demonstration, we prepared an esterase probe based on it, which shows ratiometric sensing behavior.-
dc.languageEnglish-
dc.publisherROYAL SOC CHEMISTRY-
dc.titleTwo-photon absorbing 8-hydroxy-benzo[g]coumarins with giant Stokes shifts: an environment-insensitive dye platform for probing biomolecules-
dc.typeArticle-
dc.identifier.wosid000438392600007-
dc.identifier.scopusid2-s2.0-85049886879-
dc.type.rimsART-
dc.citation.volume6-
dc.citation.issue27-
dc.citation.beginningpage4446-
dc.citation.endingpage4452-
dc.citation.publicationnameJOURNAL OF MATERIALS CHEMISTRY B-
dc.identifier.doi10.1039/c8tb01144c-
dc.contributor.localauthorJun, Yong Woong-
dc.contributor.nonIdAuthorSarkar, Sourav-
dc.contributor.nonIdAuthorSantra, Mithun-
dc.contributor.nonIdAuthorSingha, Subhankar-
dc.contributor.nonIdAuthorReo, Ye Jin-
dc.contributor.nonIdAuthorKim, Hye Rim-
dc.contributor.nonIdAuthorAhn, Kyo Han-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusLIVING CELLS-
dc.subject.keywordPlusFLUORESCENCE MICROSCOPY-
dc.subject.keywordPlusPROBES-
dc.subject.keywordPlusDESIGN-
dc.subject.keywordPlusEXCITATION-
dc.subject.keywordPlusCOUMARINS-
dc.subject.keywordPlusPHENOLS-
dc.subject.keywordPlusACCESS-
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