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

Figure 7

Respective SERS spectra collected with FA-3 NPs of (a) furazolidone standard solution and (b) furazolidone extracts from fish feeds.

(a)

(b)