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. 2020 Feb 14;6(7):eaay5808. doi: 10.1126/sciadv.aay5808

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Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

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Fig. 1 — (A) Scheme of the droplet manipulation system. (B) Parameters describing the magnetic-actuated robot. (C to F) Typical behaviors of the droplets manipulated by the robot. Droplets can be transported (C), split (D), released (E), and rotated (F) by the robot. The gray arrows represent the moving direction of the robots. The moving speed is 2 mm/s. The volume of the droplets is 250 μl. Scale bar, 5 mm.