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A viscoelastic regime in dilute hydrophobin monolayers

Abstract:

We show unexpected viscoelastic response in dilute conditions for hydrophobin layers subjected to compression in a Langmuir trough. The surface pressure, surface dilatational and shear viscoelasticity, and layer thickness, are probed by combining four different experimental techniques: Wilhelmy plate tensiometry, Surface Quasi-Elastic Light Scattering (SQELS), Surface Shear Rheology and Ellipsometry. At a surface pressure around 6-15 mN m -1, the isotherm measured by a Wilhelmy plate displays...

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Publication status:
Published

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Publisher copy:
10.1039/c1sm06139a

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Journal:
SOFT MATTER
Volume:
8
Issue:
4
Pages:
1175-1183
Publication date:
2012-01-01
DOI:
EISSN:
1744-6848
ISSN:
1744-683X
URN:
uuid:57e59970-7be4-4489-87a8-3a143ac2a26b
Source identifiers:
246654
Local pid:
pubs:246654

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