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Issue 22, 2010
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Hierarchical wrinkling patterns

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Abstract

This paper reports a simple and flexible method for generating hierarchical patterns from wrinkling instability. Complex features with gradually changing topographies are generated by using the spontaneous wrinkling of a rigid membrane (titanium) on a soft foundation (polystyrene) compressed via the diffusion of a solvent. We show that the morphology of these unreported wrinkled patterns is directly related to the rheological properties of the polymer layer and the geometry of the diffusion front. Based on these ingredients, we rationalize the mechanism for the formation of hierarchical wrinkling patterns and quantify our experimental findings with a simple scaling theory. Finally, we illustrate the relevance of our structuration method by studying the mechanosensitivity of fibroblasts.

Graphical abstract: Hierarchical wrinkling patterns

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Publication details

The article was received on 18 May 2010, accepted on 02 Jul 2010 and first published on 19 Aug 2010


Article type: Paper
DOI: 10.1039/C0SM00394H
Soft Matter, 2010,6, 5751-5756

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    Hierarchical wrinkling patterns

    H. Vandeparre, S. Gabriele, F. Brau, C. Gay, K. K. Parker and P. Damman, Soft Matter, 2010, 6, 5751
    DOI: 10.1039/C0SM00394H

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