fig4

Figure 4. (A) Synthetic route towards fluorescence probe; (B) 1H NMR spectra analysis of probe with different equivalents of Hg2+ in DMSO-d6; (C) FT-IR spectra analysis of probe and probe with Hg2+; (D) Fluorescence emission spectra analysis of probe and probe with Hg2+[50]. Copyright 2021, Elsevier B.V. NMR: Nuclear magnetic resonance; FT-IR: Fourier transformation infrared spectroscopy.





