Magnetic Fe3O4/Ag Hybrid Nanoparticles as Surface-Enhanced Raman Scattering Substrate for Trace Analysis of Furazolidone in Fish Feeds

<table>Magnetization curves of (A) Fe3O4 NPs, (B) Fe3O4/Ag hybrid NPs (FA-3), and (C) Fe3O4/Ag hybrid NPs (FA-4); (D) the sample of FA-3 and (E) separation of FA-3 by an external magnetic field.</table>

Journal of Nanomaterials

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Figure 4

Figure 4: Magnetic Fe3O4/Ag Hybrid Nanoparticles as Surface-Enhanced Raman Scattering Substrate for Trace Analysis of Furazolidone in Fish Feeds