Fig. 2. Chassis shape and product release distribution of enzyme-powered micro- and nano-motors. (A) Representation of each chassis shape in the publications of the field. Inset: representation of each configuration of product release in the publications of the field. Examples of enzymatic motors with shapes of (B) spheres,^{15,29,60,66,86} (C) tubes,^30,83 (D) rods,^17,20,117 (E) vesicles,^37,113 (F) stomatocytes,^23,24,27 (G) crystals,¹⁰⁷ (H) bottles^35,95 and (I) shells.⁴⁶ Panel (B) adapted with permission from (1) ref. 15 Copyright 2019 Elsevier, (2) ref. 86 Copyright 2018 American Chemical Society, (3) ref. 29 Copyright 2019 Wiley, (4) ref. 66 Copyright 2017 Elsevier and (5) ref. 60 Copyright 2017 Royal Society of Chemistry. Panel (C) adapted with permission from (1) ref. 83 Copyright 2016 American Chemical Society and (2) ref. 30 Copyright 2016 Wiley. Panel (D) adapted with permission from (1) ref. 17 Copyright 2020 Elsevier, (2) ref. 117 Copyright 2016 Wiley, and (3) ref. 20 Copyright 2021 Elsevier. Panel (E) adapted with permission from (1) ref. 37 Copyright 2017 AAAS and (2) ref. 113 Copyright 2019 American Chemical Society. Panel (F) adapted with permission from (1) ref. 24 Copyright 2016 American Chemical Society, (2) ref. 27 Copyright 2019 Springer Nature and (3) ref. 23 Copyright 2016 American Chemical Society. Panel (G) adapted with permission from (1) ref. 107 Copyright 2019 Wiley. Panel (H) adapted with permission from (1) ref. 95 Copyright 2021 American Chemical Society and (2) ref. 35 Copyright 2022 Wiley. Panel (I) adapted with permission from (1) ref. 46 Copyright 2019 Wiley.