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(a) Travel path of the SPBs; (b) The time taken for (i) COMPEL™ bead and (ii) Dynabead® (black lines) and polystyrene YG particle tagged with a Dynabead® (red lines) to travel to the edge of a loop, from a maximum distance of 20 μm from the edge; (c) Error caused by diffusion for (i) COMPEL™ bead and (ii) Dynabead® and polystyrene YG particle tagged with a Dynabead®.
