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Spherulitic Assembly of Peptide Nanowires via Spontaneous Crystallization

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In this work, the hierarchal arrangement of peptide nanowires was achieved via the spontaneous crystallization of peptide molecules. Peptide molecules, which are structural motifs associated with Alzheimer's disease, assembled into one-dimensional nanowires and spontaneously formed two-dimensional peptide spherulites during crystallization of the peptide melt. The assembly behavior of the peptides could be directed by physically confining the soft mold. Furthermore, a hybrid assembly of small functional molecules, such as photoluminescent Alq(3), was also achieved. Our approach offers a simple method for achieving spontaneous long-range crystalline order of building blocks approaching macroscopic dimensions and also a facile hybridization strategy to conjugate biomolecules and functional small molecules.This work was supported by the research grant from Hanyang University (HY-2013). Experimental facilities were partially supported by the program of Promotion of NanoFab for Nanotech R&D (2013)

Topics: Diphenylalanine, Self-Assembly, Directed Assembly, Spherulites, Hybrid
Publisher: American Scientific Publishers
Year: 2014
DOI identifier: 10.1166/jnn.2014.9978
OAI identifier:
Provided by: HANYANG Repository
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