Fig. 1
From: Modification of Fe3O4 magnetic nanoparticles for antibiotic detection

Schematic diagram of the preparation of PDA@GO/ Fe3O4 nanoparticles49.
From: Modification of Fe3O4 magnetic nanoparticles for antibiotic detection
Schematic diagram of the preparation of PDA@GO/ Fe3O4 nanoparticles49.