Manipulation of fluorescent and colorimetric changes of fluorescein derivatives and applications for sensing silver ions

K. M.K. Swamy, Ha Na Kim, Jung Huyn Soh, Youngmee Kim, Sung Jin Kim, Juyoung Yoon

Research output: Contribution to journalArticlepeer-review

106 Scopus citations

Abstract

Three structurally similar compounds, 1-3, bearing a fluorescence chromophore to which are appended morpholine, thiomorpholine and methylpiperazine substituents, display opposite fluorescence responses to pH changes, in contrast to that observed for fluorescein; 1 and 2 have extremely high binding selectivity towards Ag+ ions and show completely different fluorescent and colorimetric changes upon addition of Ag+, and the differences are proposed to be associated with different binding modes of 1 and 2 to this metal ion.

Original languageEnglish
Pages (from-to)1234-1236
Number of pages3
JournalChemical Communications
Issue number10
DOIs
StatePublished - 2009

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