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Elices Calafat, Manuel, Guinea Tortuero, Gustavo V., Plaza Baonza, Gustavo Ramón, Karatzas, C., Riekel, Christian, Agulló-Rueda, Fernando, Daza, R. and Pérez Rigueiro, José (2011). Bioinspired fibers follow the track of natural spider silk. "Macromolecules", v. 44 (n. 5); pp. 1166-1176. ISSN 0024-9297. https://doi.org/10.1021/ma102291m.
Title: | Bioinspired fibers follow the track of natural spider silk |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Macromolecules |
Date: | February 2011 |
ISSN: | 0024-9297 |
Volume: | 44 |
Subjects: | |
Faculty: | E.T.S.I. Caminos, Canales y Puertos (UPM) |
Department: | Ciencia de los Materiales |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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The mechanical behavior and microstructure of bioinspired fibers spun from solutions of recombinant spidroin-like proteins were extensively characterized, and compared with those of natural spider silk fibers. It is confirmed that high performance bioinspired fibers indistinguishable from natural spider silk up to large strains can be produced through genetic engineering and conventional spinning technologies. It is also found that fibers spun from spidroin-like proteins that contain different motifs of sequence exhibit variations in their microstructure in terms of crystallinity and chain alignment, but these differences are not reflected in distinct tensile properties. This similarity in terms of their mechanical behavior indicates that bioinspired fibers are largely independent of their exact sequence of recombinant proteins and, in particular, of their proline content. Finally, it is shown that the largest differences between natural and bioinspired fibers are found at very large deformations, marking the ultimate challenge in the synthesis of silk-like fibers.
Item ID: | 8509 |
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DC Identifier: | https://oa.upm.es/8509/ |
OAI Identifier: | oai:oa.upm.es:8509 |
DOI: | 10.1021/ma102291m |
Official URL: | http://pubs.acs.org/doi/abs/10.1021/ma102291m |
Deposited by: | Memoria Investigacion |
Deposited on: | 13 Mar 2013 13:10 |
Last Modified: | 22 Sep 2014 10:35 |