Figure 4: SEM images of: a) magnetite nanoparticles b) magnetite nanoparticles coated with silica and functionalized with amine c) magnetite nanoparticles coated with silica, functionalized with amine and targeted with folic acid d) magnetite nanoparticles coated with silica, functionalized with amine, targeted with folic acid and loaded with doxorubicin, morphological shapes of nanoparticles confirms the spherical and uniform shape and size of synthesized nanoparticles.