Fig. 6: Acoustic power-dependent transport and trapping.
From: Ultrasound-activated ciliary bands for microrobotic systems inspired by starfish

Transport and trapping of 10 µm particles (colored trajectories) with maximum transport efficiencies of microparticles traveling from + to – ciliary band were achieved at a 12 and b 18 volts peak-to-peak (VPP). c The trapping mode became dominant as excitation (Supplementary Software 4). Scale bar, 200 μm.