4.8 Article

Novel Ratiometric Fluorescent Sensor for Silver Ions

Journal

ORGANIC LETTERS
Volume 12, Issue 2, Pages 292-295

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol902624h

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Funding

  1. Chinese Academy of Sciences
  2. National Natural Science Foundation of China [90813002]

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Incorporating azacrown[N,S,O] into furoquinoline fluorophore yields a novel ratiometric fluorescent sensor FQ-crown for silver ions. UV-vis absorption and fluorescence emission investigations indicate that FQ-crown bears the features of a large Stokes shift, about 173 nm, and red-shift up to 50 nm in the emission spectra and high affinity for silver ions (log K = 7.21) In ethanol in comparison with other competitive d(10) metal Ions.

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