Fig. 2
From: Advances of medical nanorobots for future cancer treatments
A Illustration of a DOX-loaded magnetic nanorobot which was driven to penetrate into the 3D spheroid tumor, followed by drug release under intracellular endo/lysosomal conditions. Modified and reprinted from ref. [131]. Reproduced with permission, Copyright 2020, Springer Nature. B The process for flexible magnetic nickel-silver nanoswimmer capturing magnetic polymer particles loaded with drugs and transporting it to target cells via channels. Modified and reprinted from ref. [132]. Reproduced with permission, Copyright 2011, Wiley–VCH