Fluorescent sensing platform for low-cost detection of Cu2+by coumarin derivative: DFT calculation and practical application in herbal and black tea samples
Abstract:A fluorogenic probe based on a coumarin-derivative for Cu 2+ sensing in CH 3 CN/H 2 O media (v/v, 95/5, 5.0 µM) was developed and applied in real samples. 3-(4-chlorophenyl)-6,7-dihydroxy-coumarin (MCPC) probe was obtained by synthetic methodologies and identified by spectral techniques. The probe MCPC showed remarkable changes with a "turn-off" fluorogenic sensing approach for the monitoring of Cu 2+ at 456 nm under an excitation wavelength of 366 nm. The response time of the probe MCPC was founded as only 1 … Show more
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