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

Figure 3

Wide scan of Fe₃O₄@SiO₂ (a) and Fe₃O₄@SiO₂-CAAQ NPs (b), C1s core-level (c) and N1s core-level (d) spectra of Fe₃O₄@SiO₂-CAAQ NPs.

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