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Effect of magnet surface field and magnet dimensions on bead capture. (A) Smaller statistical percentage of paramagnetic beads were captured using a 548 G magnet. (B) Smallest cube magnet with a side length of 0.32 cm captured statistically fewer beads because of decreased effective trapping length (mean ± s.d.), n ≥ 3. * indicates statistical significance at p < 0.05.
