Figure1:
TEM images of (a) Iron oxide (Fe
3
O
4
+ Fe
2
O
3
) nanoparticles (IONPs), and (b) Silica coated Ironoxide (SiO
2
/Fe
3
O
4
+ Fe
2
O
3
; SIO-NPs). Where the scale bar = 100 nm and 250 nm, respectively.
