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. 2020 May 27;6(22):eaba5660. doi: 10.1126/sciadv.aba5660

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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).

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Fig. 3 — (A) Cross-sectional view of the micropiston design. (B) SEM image of the piston printed by 2PP directly on the tip of a glass capillary. (C) Pneumatic circuit and imaging setup for the proposed micropiston actuation. The figure displays the two possible configurations: one to study the displacement of the piston and the other to study the corresponding force.