HYDROGELS

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). https://doi.org/10.1038/s41565-019-0569-9

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