wu_particlestraighspiralchannels_02

Figure 2: The focusing positions of 15.5-μm-diameter particles in spiral channels with rectangular cross-section of 500 μm x 95 μm as a function of flow rate. The box with blue dash line in (A) represents the location for microscope observations. Yellow line on the right of channel cross-section in (B) represents the inner wall of spiral channel.