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. 2017 Sep 15;3(9):e1700348. doi: 10.1126/sciadv.1700348

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Copyright © 2017 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. 5 — Periodically patterned gels with square arrangement of square PAAm gels (A), square arrangement of elliptic PAAm gels with identical orientation (B) or orthogonal orientation (C), combined square and rhombic arrangement of disc PAAm gels (D), and kagome arrangement of disc PAAm gels (E). The masks and modeled configurations are above and below the images of deformed patterned gels, respectively. The white and black regions of the mask correspond to nonswelling PAAm gel and high-swelling P(AAm-co-AMPS) gel, respectively. Scale bars, 1 cm.