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- Aging and stress relaxation in an actin network hal link

Auteur(s): Cipelletti L.

Conférence invité: Aging of Engineering Materials: a Computational Approach to Durability and Sustainability (Zurich, CH, 2012-02-08)


Ref HAL: hal-00662701_v1
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Résumé:

Actin networks are an essential component of living cells, to which they impart the required mechnaical properties. Here, we study in-vitro cross-linked actin networks with a combination of rheology, microscopy and a novel space-resolved dynamic light scattering method. Our measurements suggest that the aging of the network is due to the progressive release of internal stresses, made possible by unbinding - rebinding events within the network.