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Robotic performance of the crystals of anthracene derivatives. Snapshots are shown of crystals of (A–C) 9AA and BA2DA and (D–F) 9AA and 9AMI, demonstrating contact (A and D), gripping (B and E), and detachment (C and F) of a 3D-printed object upon irradiation with UV light. Scale bar, 500 μm.
