A novel pyrene (compound 1) based “off–on” fluorescent chemosensor for cyanide has been designed and synthesized. A prominent fluorescence enhancement of 1·Cu(II) only for cyanide was found in aqueous acetonitrile solution with a detection limit as low as 1.2 × 10−6 M.
M. Wang, J. Xu, X. Liu and H. Wang, New J. Chem., 2013, 37, 3869 DOI: 10.1039/C3NJ00800B
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