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A perylene bisimide derivative (PBI) based colorimetric and fluorescent bifunctional probe PAM-PBI was designed and synthesized. It was highly selective and sensitive for distinguishing both Cu 2+ and F − from other ions through a conspicuous change of UV–vis and fluorescence spectra. The recognition of Cu 2+ by PAM-PBI showed an obvious color change from rose red to purple...
A novel colorimetric and fluorescent sensor for Pd 2+ has been developed based on the Pd-catalyzed deallylation. The sensor displays a highly sensitive and selective response with significant changes in both color (from orange to blue) and fluorescence (quenching).
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