This is a video by a team from the QMEMS Lab in the National Tsing Hua University, Taiwan. It is submitted as an entrant for the BMF Video Contest: Small Matters.
This video explains a rotation method by using OET devices. In this method, the configuration of the optoelectronic tweezers (OET) is not changed. The cell can be rotated by a rotating electric field which is innately generated by the typical OET device. Controlling the virtual electrodes generated by the illuminated patterns, the cell can be two-dimensionally moved and rotated about its pitch axis. The electrorotation of cells by OET is very promising for a wide variety of cell manipulation applications.
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