Journal
CRYSTENGCOMM
Volume 17, Issue 29, Pages 5551-5555Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ce00598a
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Funding
- Ministry of Education, Culture, Sports, Science and Technology from Japan Society of the Promotion of Science [22107010, 22107007]
- Grants-in-Aid for Scientific Research [22107007, 22107010] Funding Source: KAKEN
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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.
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