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Wrinkling in the deflation of elastic bubbles

Abstract:

The protein hydrophobin HFBII self-assembles into very elastic films at the surface of water; these films wrinkle readily upon compression. We demonstrate and study this wrinkling instability in the context of non-planar interfaces by forming HFBII layers at the surface of bubbles; the interfaces are then compressed by deflating the bubble. By varying the initial concentration of the hydrophobin solutions, we are able to show that buckling occurs at a critical packing fraction of protein mole...

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Publication date:
2012-01-01
URN:
uuid:f4fcf4ad-76c6-4b92-9112-d20f15505512
Local pid:
oai:eprints.maths.ox.ac.uk:1571

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