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(A) SEM photomicrographs, with magnification of 5000×, of electrospun scaffolds of (a) poly(caprolactone) (PCL), (b) chitosan (CS)/PCL, (c) hyaluronic acid/polyethylene oxide (HA/PEO), (d) CS/PCL-HA. Physicochemical properties of only PCL membrane, CS-PCL membrane (top layer), and CS-PCL/HA asymmetric membrane; (B) swelling capacity of the scaffolds; (C) water contact angles of the scaffolds; (D) porosity of the scaffolds. Reprinted with permission from [26], Elsevier, 2018.
