Abstract

The influence of ultrasonic treatment on the fibroin conformation in solutions and films was studied by dynamic light scattering, FTIR spectroscopy, and X-ray diffraction. Ultrasonic treatment of fibroin solutions leads to a decrease in the fraction of the α-helical conformation and to an increase in the fraction of β-turns and β-structure in the fibroin structure in the films regenerated from solutions.

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