Volume 23, Issue 40 p. 4655-4660
Communication

Silk-on-Silk Layer-by-Layer Microcapsules

Olga Shchepelina,

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA

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Irina Drachuk,

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA

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Maneesh K. Gupta,

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA

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Jeffrey Lin,

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA

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Vladimir V. Tsukruk,

Corresponding Author

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.Search for more papers by this author
First published: 13 September 2011
Citations: 92

Abstract

Single-component silk-on-silk microcapsules based on a layer-by-layer approach demonstrate the fabrication of highly permeable microcapsules with controlled permeability, porosity, and shell thickness. The formation of monodisperse robust capsules is afforded as a result of the formation of a β-sheet-rich structure of the absorbed silk proteins and hydrophobic–hydrophobic interactions.

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