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Fiber surface morphological changes of before and after the leaching treatment for 48 h. (A) and (F) poly(e-caprolactone) (PCL). (B) and (G) PCL/zein-10. (C) and (H) PCL/zein-20. (D) and (I) PCL/gliadin-10. (E) and (J) PCL/gliadin-20. PCL/gliadin and PCL/zein scaffolds were leached in culture media and 70% ethanol, respectively. (PCL scaffold was used as control).
