Research Article

Superparamagnetic Iron Oxide (Fe3O4) Nanoparticles Coated with PEG/PEI for Biomedical Applications: A Facile and Scalable Preparation Route Based on the Cathodic Electrochemical Deposition Method

Figure 5

TEM images of the prepared (a) bare and (b) PEG/PEI coated Fe3O4 NPs.
(a)
(b)