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. 2020 Dec 11;8(2):2002182. doi: 10.1002/advs.202002182

Figure 5.

Figure 5

AFM‐IR of IFQINS fibril, intermediate crystal, and crystal. Morphology and nanoscale localized IR absorption spectra in the Amide I and II bands of a, b) periodic fibril, c, d) intermediate crystal, and e, f) crystal. g) Second derivative analysis of the Amide band I to deconvolve secondary structural contribution. h) Quantification of percentage of secondary structure by integration of their spectra.[ 54 , 55 , 56 ] The structural contributions were assigned from spectroscopic data in literature.