A new BODIPY-based fluorescent “turn-on” probe for highly selective and rapid detection of mercury ions
2018
Abstract A new fluorescent sensor based on the BODIPY fluorophore and the carboxyl-thiol metal bonding receptor for Hg 2+ was designed and synthesized. The sensor is highly selective for Hg 2+ (about 630-fold fluorescence enhancement) over relevant competing metal ions, sensitive to ppb levels of Hg 2+ (with detection limit of 5.7 nM), and fast response toward Hg 2+ (within 30 s) in aqueous solution.
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