Design and syntheses of new fluorescent probes for histidine and fluoride ion: A reinvestigation of chemosensing ensemble method

In this paper, two chemosensing ensemble probes – 2*Cu for histidine and 1*Fe for fluoride ion – obtained by simple modification of a known fluorescent probe 1*Cu were reported. Both probes showed high selectivity, sensitivity and real-time detection to the target analyte. Their working mechanism was studied by UV–vis spectra, fluorescent spectra and/or mass spectra. The potential application of these probes was also investigated. The successful performance of these probes suggested chemosensing ensemble method had great advantage and should play more roles in sensor design.