314091.fig.0011a
(a)
314091.fig.0011b
(b)
314091.fig.0011c
(c)
314091.fig.0011d
(d)
Figure 11: TEM pictures of SKOV-3 cells exposed to Co3O4@heparin (a), Fe3O4@heparin (b), and NiO@heparin (c) for 30 min. (d) A picture of Fe3O4@heparin deposited on a formvar carbon coated grid.