Figure 5

SEM images. (a) Control chicken feather, (b) Degraded chicken feather by treatment with SLSP-k incubated for 48 h at 50 °C, (c) Control human hair, (d) Degraded human hair by SLSP-k incubated for 72 h at 50 °C.

SEM images. (a) Control chicken feather, (b) Degraded chicken feather by treatment with SLSP-k incubated for 48 h at 50 °C, (c) Control human hair, (d) Degraded human hair by SLSP-k incubated for 72 h at 50 °C.