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Issue 32, 2010
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A peony-flower-like hierarchical mesocrystal formed by diphenylalanine

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Abstract

A facile method is reported to manipulate a diphenylalanine peptide into hierarchically ordered structures with interesting peony-like flower morphology in the organic solvent tetrahydrofuran. The flowers formed in THF and showed, by scanning electron microscopy, that they are actually flake-built spherical aggregations, while the aggregations of FF that formed in other chosen organic solvents, such as DMSO and pyridine, show dispersive flakes. The building of the flower-like architectures is correlated to a nonclassical crystallization pathway. The similarity between the as-obtained peptide mesocrystals formed in different solvents has been investigated and discussed. Due to the roughness of the hierarchical peptide assemblies, an antiwetting surface is readily constructed with a low surface free energy fluoroalkylsilane.

Graphical abstract: A peony-flower-like hierarchical mesocrystal formed by diphenylalanine

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Publication details

The article was received on 21 Jan 2010, accepted on 15 Apr 2010 and first published on 02 Jul 2010


Article type: Paper
DOI: 10.1039/C0JM00110D
Citation: J. Mater. Chem., 2010,20, 6734-6740
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    A peony-flower-like hierarchical mesocrystal formed by diphenylalanine

    Y. Su, X. Yan, A. Wang, J. Fei, Y. Cui, Q. He and J. Li, J. Mater. Chem., 2010, 20, 6734
    DOI: 10.1039/C0JM00110D

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