Fig. 5.

Nanomotor systems propelled by arginine. (A) Synthetic Route of HFCA/DTX/aPD1 Nanomotor and the Schematic Illustration of Regulatory Mechanism of Combined Immunotherapy and Chemotherapy. Reproduced with permission [108]. Copyright 2021, American Chemical Society. (B) The fabrication process of HFLA-DOX nanomotors and the versatility of NO. Reproduced with permission [107]. Copyright 2020, John Wiley & Sons. (C) Schematic illustration of the formation of zwitterion-based nanomotor and the NO generation principle. Reproduced with permission [56]. Copyright 2019, Springer Nature.