Apatite nano-rods array grown on glass substrates in aqueous systems

A. Osaka, Y. Shirosaki, S. Hayakawa, K. Tsuru, E. Fujii, K. Kawabata

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Fabrication of an assembly of nm-sized rods or wires of hydroxyapatite (HAp) would mimic the structure of dentin or enamel when they are tailored to align each other along a specific crystallographic axis. This study proposed new strategy for self-assembling one-dimensional HAp nano-rods with an organized superstructure. We prepared a nm-scale rod array of HAp having preferred orientation to the c-axis simply by soaking calcium-containing silicate glass substrates in aqueous Na2HPO4 solutions at 80°C for various periods, as inspired by the glass-apatite conversion procedure. Those HAp rods grew up perpendicularly to the glass surface, and the crystallites covered the glass entire surface uniformly, resulting in "dental enamel-like" rod array structure.

Original languageEnglish
Title of host publicationBiomaterials Science-Processing, Properties, and Applications
PublisherAmerican Ceramic Society
Number of pages6
ISBN (Print)9781118060018
Publication statusPublished - 2011

Publication series

NameCeramic Transactions
ISSN (Print)1042-1122

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry


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