Rapid Colorimetric Detection of Hg (II) Based on Hg (II)-Induced Suppressed Enzyme-Like Reduction of 4-Nitrophenol by Au@ZnO/Fe3O4 in a Cosmetic Skin Product

<div>SEM images of (a) Fe3O4, (b) ZnO/Fe3O4, and (c) Au@ZnO/Fe3O4 nanostructures, (d) particle size distribution of Fe3O4.</div>

Nanomaterials and Nanotechnology

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Figure 1

Figure 1: Rapid Colorimetric Detection of Hg (II) Based on Hg (II)-Induced Suppressed Enzyme-Like Reduction of 4-Nitrophenol by Au@ZnO/Fe3O4 in a Cosmetic Skin Product

Figure 1 | Rapid Colorimetric Detection of Hg (II) Based on Hg (II)-Induced Suppressed Enzyme-Like Reduction of 4-Nitrophenol by Au@ZnO/Fe3O4 in a Cosmetic Skin Product 