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Time (labeled on the images) development for simultaneous trapping of 9.9 μm-diameter diamagnetic particles and 2.85 μm-diameter magnetic particles in 0.05 × EMG 408 ferrofluid flow through a T-shaped microchannel at a volume flow rate of 55 μl/h. The straight block arrows on the left image indicate the flow directions. The curved block arrows on the middle image highlight the circulating directions of the trapped diamagnetic particles.
