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(A) SEM images of HPAN/CUR, PU, and PCL. (B) SEM images of Cross section. (C–E) The distribution of fiber diameter HPAN/CUR, PU, and PCL. (F) The Porosity of PCL, PU, and HPAN/CUR. (n = 3, ns = no significance) (G) The photographs of dressing with different degrees of twisting. Scale bars are 1 cm in G.
