The Journal of Silk Science and Technology of Japan
Online ISSN : 1881-1698
Print ISSN : 1880-8204
ISSN-L : 1880-8204
Short communication
Structure of regenerated nonwoven silk fibroin nanofiber fabric produced by wet electrospinning
Yutaka KawaharaShouhei OkamuraTaiyo Yoshioka
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2018 Volume 26 Pages 47-51


Three-dimensional nonwoven fabrics are fabricated using a silk fibroin (SF) formic acid solution and a liquid bath filled with a 70% isopropyl alcohol aqueous solution. The pore size of the developed nonwoven fabrics is observed to be not greater than 10 μm. The secondary structure of SF in nanofibers in the fabrics was investigated and the presence of both silk1 and silk2 crystals were confirmed. In comparison to the conventional nonwoven SF fabrics, the developed fabric is observed to be rich in silk2 crystals.

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© 2018 by The Japanese Society of Silk Science and Technology
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