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

Figure 4

SEM images of keratin nanofibers: (a) tubular structure and (b) the outer and inner surfaces of the tube; (c, d) cross-sections of individual nanofibers, 0% K/100% PVA and 10% K/90% PVA nanofibers, respectively.

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(b)

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