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Infiltration of chitin by protein coacervates defines the squid beak mechanical gradient
- Tan, YerPeng;
- Hoon, Shawn;
- Guerette, Paul A;
- Wei, Wei;
- Ghadban, Ali;
- Hao, Cai;
- Miserez, Ali;
- Waite, J Herbert
Published Web Location
https://doi.org/10.1038/nchembio.1833Abstract
The squid beak displays a 200-fold stiffness gradient across its length. A battery of experiments, including ‘omics analysis and rheological measurements, now identifies two protein families that infiltrate and cross-link a porous chitin network to generate variable stiffness.
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