Preparation of low-crystalline apatite nanoparticles and their coating onto quartz substrates |
| |
Authors: | Masakazu Kawashita Koji Taninai Zhixia Li Kunio Ishikawa Yasuhiro Yoshida |
| |
Affiliation: | Graduate School of Biomedical Engineering, Tohoku University, Aoba-ku, Sendai, Japan. m-kawa@ecei.tohoku.ac.jp |
| |
Abstract: | We prepared low-crystalline apatite nanoparticles and coated them onto a surface of a Au/Cr-plated quartz substrate by the electrophoretic deposition (EPD) method or by using a self-assembled monolayer of 11-mercaptoundecanoic acid (SAM method). Low-crystalline apatite nanoparticles around 10?nm in size with extremely low contents of undesirable residual products were obtained by adding (NH(4))(2)HPO(4) aqueous droplets into a modified synthetic body fluid solution that contained Ca(CH(3)COO)(2). The apatite nanoparticles were successfully coated by either the EPD method or the SAM method; the nanoparticle coating achieved by the SAM method was more uniform than that achieved by the EPD method. The present SAM method is expected to be a promising technique for obtaining a quartz substrate coated with apatite nanoparticles, which can be used as a quartz crystal microbalance device. |
| |
Keywords: | |
本文献已被 PubMed SpringerLink 等数据库收录! |