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. Author manuscript; available in PMC: 2019 Feb 6.
Published in final edited form as: Chem Soc Rev. 2017 Jul 31;46(15):4661–4708. doi: 10.1039/c6cs00542j

Fig. 26.

Fig. 26

(a) Schematic orientation of β-sheets and β-strands in silk fibroin fibrils and amyloid fibrils. (b) Schematic illustration and cross-polarized light observation image of silk fibroin fibrils and amyloid fibrils composite film. (c–e) 2D-WAXS patterns of the films containing: (c) 100% silk fibroin fibrils, (d) 100% amyloid fibrils and (e) 5 : 5 silk fibroin fibrils : amyloid fibrils. (f) Magnetic functionalization and tensile properties of the film (silk fibroin fibrils : amyloid fibrils : magnetic nanoparticles weight ratio of 70 : 10 : 20), as prepared by vacuum filtration. (g) Shape-memory properties of the magnetic composite film when exposed to the combined presence of an external magnetic field and water. Reproduced with permission from ref. 398. Copyright 2014 Wiley-VCH Verlag GmbH & Co.