Microrobots with different cell-carrying capacities under different grid lengths (lg) and burr lengths (lb). Microrobots with different cell-carrying capacities.

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Microrobots with different cell-carrying capacities under different grid lengths (lg) and burr lengths (lb). Microrobots with different cell-carrying capacities under different grid lengths (lg) and burr lengths (lb). (A) SEM images and statistical results of cell-cultured microrobots when lg = 0.8rc, rc, 1.2rc, 1.4rc, 1.6rc, 1.8rc, where rc is the mean radius of carried cells (n = 3). (B) SEM images and statistical results of cell-cultured microrobots when lb = 0, 0.5rc, rc , 1.5rc, 2rc, 3rc (n = 3). Error bars indicate SD. Junyang Li et al. Sci. Robotics 2018;3:eaat8829 Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works