Hydroxyapatite film coated on poly-L-lactic acid by Aerosol Deposition Method

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概要

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• The new apatite coating method, aerosol deposition method (ADM), was carried out on poly-L-lactic acid (PLLA) substrates by a following process. Hydroxyapatite (HAp) particles formed on aerosol flow by mixing with a helium carrier gas with the velocity of about 300 m/s were accumulated on PLLA substrates via impact adhesion at room temperature. Subsequently the thus prepared HAp coating film on PLLA by ADM was treated by heating. Then it was assessed by in vitro simulated body fluid (SBF) test. As a result, it was proved that the HAp film coated on PLLA by ADM with the heat treatment has bioactivity and that bonelike apatite was formed on the substrate. It is expected that the HAp film fabricated by ADM on PLLA with the heat treatment can be used in clinical orthopedics.

著者

• Kitajima Akiko

  Integration Process Technol. Group Advanced Manufacturing Res. Inst. National Inst. Of Advanced Indu

• TSUKAMOTO Masahiro

  Department of Smart Beam Processing, Joining & Welding Research Institute, Osaka University

• AKEDO Jun

  Integration Process Technology Group, Advanced Manufacturing Research Institute, National Institute

• TSUKAMOTO Masahiro

  Department of Smart Beam Processing, Joining & Welding Research Institute, Osaka University

• AKEDO Jun

  Integration Process Technology Group, Advanced Manufacturing Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)

• KITAJIMA Akiko

  Integration Process Technology Group, Advanced Manufacturing Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)

関連論文

• Aerosol deposition of α-TCP on a Ti surface
• Hydroxyapatite film coated on poly-L-lactic acid by Aerosol Deposition Method

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