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Muscle filaments make mechanical strain visible
Date:12/20/2010

cientists were able to study the behavior of the actin network during mechanical deformation and to film it in three dimensions.

In their studies, published in the online journal Nature Communications, the scientists successfully demonstrated that their model system sheds light not only on the molecular-level processes behind the Mullins effect, but also the opposite effect, which renders material tougher as a result of repeated stress.

The cause for the change in mechanical properties is extensive reorganization in the network structure, which was now observed directly for the first time. In the future, this model will help physicists to better understand changes in the properties of other materials, too.


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Contact: Patrick Regan
regan@zv.tum.de
49-892-891-0515
Technische Universitaet Muenchen
Source:Eurekalert  

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