Schiff Base Ligand Coated Gold Nanoparticles for the Chemical Sensing of Fe(III) Ions

Figure 6

Metal-ion selectivity of AuNP@L; bars indicate the fluorescence intensity (excitation at 390 nm and emission at 491 nm). Nitrate salts of various metal ions (10.0 equivalents) were added to AuNP@L (10 μM) in H₂O : EtOH (1 : 9).