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. 2019 Aug 2;5(8):eaaw2897. doi: 10.1126/sciadv.aaw2897

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Copyright © 2019 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. 2 — Rotation of a DiAPLEX flower with six petals containing unchained magnetic particles counterclockwise beneath the LED first causes photothermal heating and softening of the petals, followed by lifting beneath the permanent magnet. Switching the LED on and off allows heating and lifting of every other petal. A video of this experiment is presented in movie S4. Photo credit: Jessica A.-C. Liu, North Carolina State University.