Elasticity in Ionically Cross-Linked Neurofilament Networks

N.Y. Yao, C.P. Broedersz, Y.C. Lin, K. E. Kasza, F.C. MacKintosh, D. A. Weitz

Research output: Contribution to JournalArticleAcademicpeer-review


Neurofilaments are found in abundance in the cytoskeleton of neurons, where they act as an intracellular framework protecting the neuron from external stresses. To elucidate the nature of the mechanical properties that provide this protection, we measure the linear and nonlinear viscoelastic properties of networks of neurofilaments. These networks are soft solids that exhibit dramatic strain stiffening above critical strains of 30-70%. Surprisingly, divalent ions such as Mg
Original languageEnglish
Pages (from-to)2147-2153
Number of pages7
JournalBiophysical Journal
Issue number10
Publication statusPublished - 2010


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