JOURNAL ARTICLE

Metal ion induced FRET OFF-ON in tren/dansyl-appended rhodamine

Min Hee Lee, Hyun Jung Kim, Sangwoon Yoon, Noejung Park, Jong Seung Kim
Organic Letters 2008 January 17, 10 (2): 213-6
18078343
A series of new fluorescent probes bearing tren-spaced rhodamine B and dansyl groups have been synthesized. Compound 1 exhibits selective changes in the absorption and the emission spectra toward Cu2+ ion over miscellaneous metal cations. Among 1-3, 1 shows the best FRET efficiency through dansyl emission to rhodamine absorption for the Cu2+ ion.

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