Stress controls the mechanics of collagen networks

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Bibliographische Detailangaben
Zeitschriftentitel:	Proceedings of the National Academy of Sciences
Personen und Körperschaften:	Licup, Albert James, Münster, Stefan, Sharma, Abhinav, Sheinman, Michael, Jawerth, Louise M., Fabry, Ben, Weitz, David A., MacKintosh, Fred C.
In:	Proceedings of the National Academy of Sciences, 112, 2015, 31, S. 9573-9578
Format:	E-Article
Sprache:	Englisch
veröffentlicht:	Proceedings of the National Academy of Sciences
Schlagwörter:	Multidisciplinary

Details
Zusammenfassung:	<jats:title>Significance</jats:title> <jats:p>We report nonlinear rheology experiments on collagen type I networks, which demonstrate a surprising concentration independence of the network stiffness in the nonlinear elastic regime. We develop a model that can account for this, as well as the classical observations of an approximate exponential stress–strain relationship in collagenous tissues, for which a microscopic model has been lacking. Our model also demonstrates the importance of normal stresses in controlling the nonlinear mechanics of fiber networks.</jats:p>
Umfang:	9573-9578
ISSN:	0027-8424 1091-6490
DOI:	10.1073/pnas.1504258112