Fig. 4From: Pharmacokinetics of magnetic iron oxide nanoparticles for medical applicationsThe main non-spherical shapes of MNPs: nanorods (A), nanowires (B), nanotubes (C), nanodisks (D). SEM images A, B, D republished from Ref. 242, 243, 244, respectively, under the terms of the Creative Commons Attribution Licence (CC BY) (http://creativecommons.org/licences/by/4.0/); SEM image C republished from Ref. 245 with permission of ElsevierBack to article page