4.8 Article

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

Journal

ORGANIC LETTERS
Volume 10, Issue 2, Pages 213-216

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol702558p

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Funding

  1. National Research Foundation of Korea [R11-2005-008-02001-0, R11-2005-008-04002-0, 핵06A3003, R11-2005-008-05001-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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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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