fig21
Figure 21. (A) The potential bonding mechanism of probe with mercury ions; (B) Alterations in the 1H NMR spectra of PDI-BODIPY upon titration with mercury ions at molar ratios ranging from 0 to 3 equivalents; and (C) Fluorescence spectra of probe in relation to varying mercury ions concentrations; (D) Anti-interference experiment[140]. Copyright 2015, Elsevier B.V. NMR: Nuclear magnetic resonance.
