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Article Abstract
A novel multi-functional fluorescence probe HMIC based on hydrazide Schiff base has been successfully synthesized and characterized. It can distinguish Al/Zn/Cd in ethanol, in which fluorescence emission with different colors (blue for Al, orange for Zn, and green for Cd) were presented. The limits of detection of HMIC towards three ions were calculated from the titration curve as 7.70 × 10 M, 4.64 × 10 M, and 1.35 × 10 M, respectively. The structures of HMIC and its complexes were investigated using UV-Vis spectra, Job's plot, infrared spectra, mass spectrometry, H-NMR and DFT calculations. Practical application studies have also demonstrated that HMIC can be applied to real samples with a low impact of potential interferents. Cytotoxicity and cellular imaging assays have shown that HMIC has good cellular permeability and potential antitumor effects. Interestingly, HMIC can image Al, Zn and Cd in the cells with different fluorescence signals.
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