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Alignment of nanostructured tripeptide gels by directional ultrasonication

Pappas, Charalampos G. and Frederix, Pim W. J. M. and Mutasa, Tapiwa and Fleming, Scott and Abul-Haija, Yousef M. and Kelly, Sharon M. and Gachagan, Anthony and Kalafatovic, Daniela and Trevino, Jacob and Ulijn, Rein V. and Bai, Shuo (2015) Alignment of nanostructured tripeptide gels by directional ultrasonication. Chemical Communications, 51 (40). pp. 8465-8468. ISSN 1359-7345

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Abstract

We demonstrate an in-situ ultrasonic approach to influence self-assembly across the supramolecular to micron length scales, showing enhancement of supramolecular interactions, chirality and orientation, which depends on the peptide sequence and solvent environment. This is the first successful demonstration of using oscillating pressure waves to generate anisotropic organo- and hydro- gels consisting of oriented tripeptides structures.