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

<table>Room-temperature magnetization hysteresis loops of Fe3O4@SiO2-CAAQ NPs (inset is the photograph of Fe3O4@SiO2-CAAQ NPs suspension with a magnet).</table>

Journal of Nanomaterials

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Figure 4

Figure 4: A Fluorescent Sensor for Zinc Detection and Removal Based on Core-Shell Functionalized Fe3O4@SiO2 Nanoparticles