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. Author manuscript; available in PMC: 2020 Jan 21.
Published in final edited form as: Lab Chip. 2019 Jun 26;19(14):2404–2414. doi: 10.1039/c9lc00340a

Fig. 4.

Fig. 4

a) Schematic and b) particle tracing of in-plane rotation using the bubble-based acoustofluidic rotation device and a battery powered Arduino control platform. c) Counterclockwise and d) clockwise bubble-based rotation of HeLa cells using a battery powered Arduino system. The top and bottom cells were rotated via excitation by a 25 V, 20.9, and 21.8 kHz signal, respectively. e) Plot of counterclockwise and f) clockwise rotation angle of cells versus time using the bubble-based acoustofluidic device.