Motion Measurement of RMS Cilia Array
An experiment was conducted to
observe the motion of the RMS cilia array by using an external magnetic
field. For this purpose, an acrylic channel with dimensions of 8 mm × 30
mm × 5 mm was used, an RMS cilia array was attached to the 30 mm × 5 mm
side, and the 8 mm × 30 mm side was used for observation (Figure.
1B(vii)). The RMS cilia array was manipulated in the air using the
magnetic field generated by an 8-coil EMA system (Figure. 2C). A
magnetic field generated by the EMA system can be divided into a strike
magnetic field in which the intensity of the magnetic field changes from
-0.02 T to +0.02 T in the vertical direction of the cilia (Figure.
2B(i)) and a rotating magnetic field rotating from 0° to 360° with a
constant intensity magnetic field of 0.02 T (Figure. 2B(ii)). When these
two types of magnetic fields were applied, the motion of RMS cilia was
observed using a CCD camera.