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Spherulites of Tussah Silk Fibroin. Structure, thermal properties and growth rates

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Abstract

The crystal structure, thermal properties and growth rates of spherulites of the Tussah silk fibroin, produced upon drying of the silk taken directly from the lumen which is essentially a poly(L-alanine)polypeptide, are investigated. Depending on casting conditions, spherulites with either αhelical chain conformation or β parallel sheet structure are produced. The growth rates display a strong positive temperature coefficient, with an apparent transition, which however cannot be related with the formation of two different crystal structures at this stage.

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Tanaka, T., Magoshi, J., Magoshi, Y. et al. Spherulites of Tussah Silk Fibroin. Structure, thermal properties and growth rates. Journal of Thermal Analysis and Calorimetry 64, 645–650 (2001). https://doi.org/10.1023/A:1011575824042

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  • DOI: https://doi.org/10.1023/A:1011575824042

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