. 2020 Apr 30;21(1):242–266. doi: 10.1080/14686996.2020.1748520
© 2020 The Author(s). Published by National Institute for Materials Science in partnership with Taylor & Francis Group.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 2.
Structure of silk fibroin [18]