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Issue 6, 2016
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Nematic field transfer in a two-dimensional protein fibril assembly

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Abstract

We perform Atomic Force Microscopy and numerical simulations of a bimodal solution containing long, semiflexible β-lactoglobulin fibrils and short, flexible β-lactoglobulin linear aggregates at an air–water interface. Short aggregates orient perpendicular to fibrils at very short distances and preferentially parallel at intermediate distances. At even larger distances an isotropic distribution is observed. Parallel ordering coincides with aggregate stretching: by straightening, small aggregates are able to approach the fibrils within a distance smaller than their radius of gyration. These findings contribute to the understanding of how anisotropic interactions are transferred in two-dimensional bimodal nematic fields of biopolymers at liquid interfaces.

Graphical abstract: Nematic field transfer in a two-dimensional protein fibril assembly

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Publication details

The article was received on 13 Oct 2015, accepted on 19 Dec 2015 and first published on 22 Dec 2015


Article type: Paper
DOI: 10.1039/C5SM02545A
Citation: Soft Matter, 2016,12, 1830-1835
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    Nematic field transfer in a two-dimensional protein fibril assembly

    S. Jordens, K. Schwenke, I. Usov, E. Del Gado and R. Mezzenga, Soft Matter, 2016, 12, 1830
    DOI: 10.1039/C5SM02545A

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