Figure 4
From: Graphene oxide and its derivatives as promising In-vitro bio-imaging platforms
(a) FE-SEM images of GO-PEG-Fe3O4 conjugates, Fe3O4 distribution with an average size of 27–36 nm on the surface of GO-PEG (b) EDX mapping, and (c) EDS analysis indicating the element distribution on the surface of GO-PEG- Fe3O4.
