Valorization of Waste Chicken Feathers: Fabrication and Characterization of Novel Keratin Nanofiber Conduits for Potential Application in Peripheral Nerve Regeneration

Figure 3

SEM images and distributions of nanofiber diameters of the keratin/polyvinyl alcohol system: (a) 0% keratin/100% PVA, (b) 10% K/90% PVA, (c) 20% K/80% PVA, and (d) 30% K/70% PVA.

(a)

(b)

(c)

(d)