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Primary failure modes of DA20 particles in detection zone with wd = 150 μm. (a) 190 × 90 μm particle (AR = 2.11) with poor alignment. (b–d) 270 × 90 μm particles (AR = 3.00) with drastic deformations that would preclude reading of the barcode. Scale bar in all images is 50 μm.
