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. 2022 Sep 16;10:1002171. doi: 10.3389/fbioe.2022.1002171

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Copyright © 2022 Zhang, Liu, Guan and Mou.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Motile drug delivery by enzyme-powered MNRs. (A) Enzyme-powered Janus platelet micromotor. (Tang et al., 2020) Copyright 2020. Reproduced with permission from American Association for the Advancement of Science. (B) Multilayer-urea-based Janus Au/magnetic microparticles. (Luo et al., 2020) Copyright 2020. Reproduced with permission from American Chemical Society. (C) Enzyme-powered gated mesoporous silica nanomotors. (Llopis-Lorente et al., 2019b) Copyright 2019. Reproduced with permission from American Chemical Society. (D) Enzyme-powered Janus Au-mesoporous silica nanoparticles. (Llopis-Lorente et al., 2019a) Copyright 2019. Reproduced with permission from The Royal Society of Chemistry.