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Schematic of electrospinning and alkaline hydrolysis of polycaprolactone (PCL). PCL nanofiber is fabricated using an electrospinning setup (A); The electrospun PCL nanofiber membrane (B) is soaked in 70% ethanol (v/v distilled water) (C) for a more thorough alkaline hydrolysis in NaOH solution (D); The treated electrospun PCL nanofiber membrane is then rinsed in distilled water (E) and dried to acquire the resultant hydrolyzed electrospun PCL nanofiber membrane (F).
