A Fluorescent Sensor for Zinc Detection and Removal Based on Core-Shell Functionalized Fe₃O₄@SiO₂ Nanoparticles

Figure 6

UV-vis curves of the Fe₃O₄@SiO₂-CAAQ NPs (0.3 g/L) in C₂H₃N with various amounts of Zn²⁺ (0–10 μM).