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(A) Full FT-IR spectra taken at the 9 h time point. The amide I and amide II peaks located at 1590–1715 and 1510–1580 cm–1, respectively. (B) The deconvoluted amide I peak at 9 h demonstrating a good agreement between the original and deconvoluted peaks. The mean absolute percent error calculated for each region using the average of three spectra from three independent samples demonstrates that the selected subpeaks did not occur from noise in the spectra.
