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Analysis of fiber swelling. (A) Representative images of swollen random (RO) dECM fibers and (B) swollen aligned (AO) dECM fibers were taken. The scale bar represents 10 μm. The arrow represents the direction of fiber orientation. (C) Fiber diameter was measured dry (red bars) and after 24 h of swelling in PBS (blue bars). Shared letters indicate no significant difference between groups (n ≥ 50, p < 0.05). PBS, phosphate-buffered saline.
