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Issue 29, 2015
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Fabrication of self-standing films consisting of enamel-like oriented nanorods using artificial peptide

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Abstract

We achieved the fabrication of enamel-like films consisting of c-axis-oriented hydroxyapatite (HA) nanorods by a two-step controlled crystal growth method with the monolayer of a specific artificial peptide binding to the c face of HA. Self-standing films were formed under the monolayer at the air–water interface in an aqueous solution system that was based on a simulated body fluid. The presence of fluoride ions promoted the arrangement of apatite microrods in the c direction through geometric selection. The subsequent growth with aspartic acid produced the enamel-like structure consisting of c-axis-oriented nanorods on the basal microrods. Therefore, the controlled crystal growth using the aqueous system including the specific artificial peptide, fluoride ion, and aspartic acid is regarded as a novel fabrication route for well-organized architectures.

Graphical abstract: Fabrication of self-standing films consisting of enamel-like oriented nanorods using artificial peptide

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Article information


Submitted
26 Mar 2015
Accepted
15 Jun 2015
First published
30 Jun 2015

This article is Open Access

CrystEngComm, 2015,17, 5551-5555
Article type
Paper

Fabrication of self-standing films consisting of enamel-like oriented nanorods using artificial peptide

K. Aita, Y. Oaki, C. Ohtsuki and H. Imai, CrystEngComm, 2015, 17, 5551
DOI: 10.1039/C5CE00598A

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