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Actuating smart

Photoresponsive hydrogel pillars can be conveniently tuned to achieve either phototropic orientation or phototactic swimming.

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Fig. 1: Artificial phototropism and phototactic swimming achieved by photoresponsive hydrogels.


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Correspondence to Mingming Ma.

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Ma, M. Actuating smart. Nat. Nanotechnol. 14, 1003–1004 (2019).

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