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New MRI nanoconstructs. Schematic showing Magnevist (A), gadofullerenes (GFs) (B), and debundled gadonanotubes (GNTs) (C). Scanning electron micrographs of (D) quasi-hemispherical and (E) discoidal particles. (F) Cartoons showing Magnevist, GFs, and GNTs (left to right) entrapped within the porous structure of the SiMPs. Reprinted with permission from ref (193). Copyright 2010 Nature Publishing Group.
