Fig. 2

SEM images and size distribution of electrospun NFs composed of Ze/Gel for different Ze/Gel concentrations: (a) Ze 25% w/v, Gel 10% w/v, (b) Ze 25% w/v, Gel 15% w/v, and (c) Ze 30% w/v, Gel 10% w/v.

SEM images and size distribution of electrospun NFs composed of Ze/Gel for different Ze/Gel concentrations: (a) Ze 25% w/v, Gel 10% w/v, (b) Ze 25% w/v, Gel 15% w/v, and (c) Ze 30% w/v, Gel 10% w/v.