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. Author manuscript; available in PMC: 2014 Aug 12.
Published in final edited form as: Biomacromolecules. 2013 Jul 16;14(8):2629–2635. doi: 10.1021/bm4004892

Figure 6.

Figure 6

Shear-induced β-sheet formation gave rise to physical crosslinks and mechanical reinforcement of electrogelled silk. Representative time-evolved shear storage (G′) and loss (G″) moduli at the frequency of 1 rad/sec for (a) the untreated e-gel and (b) the glutaraldehyde-crosslinked e-gel. (c) Water loss in silk e-gels forming intra- and inter-molecular hydrogen bonds under shearing. (d) FTIR analysis shows the β-sheet-dominant structures in the electrogelled silk after 10 hours of dynamic shear loading.