The illustration of urease powered EMNMs (A) Schematic illustration of urease propelled tubular motor. Reproduced with permission from ref 42. Copyright 2016, American Chemical Society. (B) Schematic illustrating of motion control of urease propelled Janus hollow mesoporous silica EMNM. Reproduced with permission from ref 15. Copyright 2016, American Chemical Society. (C) Schematic illustration of the enhanced drug release of urease propelled nanobots. Reproduced with permission from ref 43. Copyright 2017 Wiley. (D) Schematic illustration of the construction and performance of urease propelled mesoporous silica motor. Reproduced with permission from ref 44. Copyright 2019, American Chemical Society. (E) Preparation of biodegradable urease propelled tubular motor. Reproduced with permission from ref 45. Copyright 2019, Wiley. (F) Schematic illustration of the self-Assembled Phage-Based Colloids applied into micropump. Reproduced with permission from ref 46. Copyright 2019, American Chemical Society.