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Article Dans Une Revue Science Année : 2018

Capillarity-induced folds fuel extreme shape changes in thin wicked membranes

Résumé

Soft deformable materials are needed for applications such as stretchable electronics, smart textiles, or soft biomedical devices. However, the design of a durable, cost-effective, or biologically compatible version of such a material remains challenging. Living animal cells routinely cope with extreme deformations by unfolding preformed membrane reservoirs available in the form of microvilli or membrane folds. We synthetically mimicked this behavior by creating nanofibrous liquid-infused tissues that spontaneously form similar reservoirs through capillarity-induced folding. By understanding the physics of membrane buckling within the liquid film, we developed proof-of-concept conformable chemical surface treatments and stretchable basic electronic circuits.
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hal-02129205 , version 1 (27-11-2023)

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Paul Grandgeorge, Natacha Krins, Aurélie Hourlier-Fargette, Christel Laberty-Robert, Sébastien Neukirch, et al.. Capillarity-induced folds fuel extreme shape changes in thin wicked membranes. Science, 2018, 360 (6386), pp.296-299. ⟨10.1126/science.aaq0677⟩. ⟨hal-02129205⟩
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