Volume 26, Issue 26 p. 4569-4574
Communication

Modulating Materials by Orthogonally Oriented β-Strands: Composites of Amyloid and Silk Fibroin Fibrils

Shengjie Ling,

Food & Soft Materials Science, Institute of Food, Nutrition & Health, ETH Zürich, LFO23 Schmelzbergstrasse 9, 8092 Zürich, Switzerland

State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433 PR China

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Chaoxu Li,

Food & Soft Materials Science, Institute of Food, Nutrition & Health, ETH Zürich, LFO23 Schmelzbergstrasse 9, 8092 Zürich, Switzerland

Present address: Key Laboratory of Bio-based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, PR China

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Jozef Adamcik,

Food & Soft Materials Science, Institute of Food, Nutrition & Health, ETH Zürich, LFO23 Schmelzbergstrasse 9, 8092 Zürich, Switzerland

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Zhengzhong Shao,

State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433 PR China

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Xin Chen,

Corresponding Author

State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433 PR China

E-mail: raffaele.mezzenga@hest.ethz.ch, chenx@fudan.edu.cnSearch for more papers by this author
Raffaele Mezzenga,

Corresponding Author

Food & Soft Materials Science, Institute of Food, Nutrition & Health, ETH Zürich, LFO23 Schmelzbergstrasse 9, 8092 Zürich, Switzerland

E-mail: raffaele.mezzenga@hest.ethz.ch, chenx@fudan.edu.cnSearch for more papers by this author
First published: 20 May 2014
Citations: 97

Abstract

Amyloid fibrils and silk fibroin (SF) fibrils are proteinaceous aggregates occurring either naturally or as artificially reconstituted fibrous systems, in which the constituent β-strands are aligned either orthogonally or parallel to the fibril main axis, conferring complementary physical properties. Here, it is shown how the combination of these two classes of protein fibrils with orthogonally oriented β-strands results in composite materials with controllable physical properties at the molecular, mesoscopic, and continuum length scales.

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