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. Author manuscript; available in PMC: 2019 Jul 4.
Published in final edited form as: Adv Funct Mater. 2017 Sep 4;28(27):1702570. doi: 10.1002/adfm.201702570

Figure 2.

Figure 2

R5-15mer-ch constructions allows the best control over silicification and the deposition of silica particles aid in stiffening the material. A) AFM images for the R5-15mer-ch silk film i) pre-annealed ii) annealed and iii) silicified. B) Silicified films i) nh-15mer-R5 ii) 15mer-ch. C) Young's modulus measurements for the silk fusion proteins with an assumed Poisson's ratio of 0.3, N=20. D) Beta sheet content of pre-annealed, annealed and silicified silk chimeras and controls, N=3. E) and F) Protein concentration of PBS supernatant in the presence of 0.6mg silk films; preannealed (black), annealed (blue) and silicified (red) over time.