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. Author manuscript; available in PMC: 2021 May 11.
Published in final edited form as: Nanoscale. 2019 Jan 17;11(3):799–819. doi: 10.1039/c8nr07769j

Fig. 5.

Fig. 5

Different structures of MRI/CT imaging nanoparticles. A: basic structure; B core-shell structure; C: vector structure; D: mixed structure; E: core-shell structure. (Black arrow: MRI/CT imaging materials; Blue arrow: surface decoration.