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. Author manuscript; available in PMC: 2020 Nov 11.
Published in final edited form as: ACS Biomater Sci Eng. 2019 Oct 3;5(11):5960–5967. doi: 10.1021/acsbiomaterials.9b01014

Figure 4.

Figure 4.

FTIR spectra of SF and SF treated with methanol (SF/MeOH). The red dotted line indicates the position of the 1620 cm−1 absorption peak corresponding to the C=O stretch of atoms involved in beta-sheet formation.