TEM observation of hydroxyapatite nanocrystals ionically-bonded onto the graftpolymer-modified PET substrate(<Feature> Ceramics for Biomedical Applications in Asian Countries)
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概要
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The crystallographic orientation relationship between hydroxyapatite (HAp) nanocrystals and poly (acrylic acid) (PAA) graftpolymer-modified poly (ethylene terephthalate) (PET) substrate was studied using transmission electron microscopy (TEM). We observed the microstructure of fabricated rod-like HAp nanocrystals and the interface of HAp/PET composite where, the HAp nanocrystals are bonded onto PAA graftpolymer-modified PET substrate. The selected-area electron diffraction (SAED) pattern of interface of the HAp/PET composite indicated that some low index planes in HAp prism plane tended to be contact plane with the PET substrate surface. In particular, the {1120} plane was distinctly found as the contact plane with PET substrate. In this material, it has been reported that the carboxyl groups of PAA graft-polymer are ionically-bonded with Ca ions on surface of the HAp nanocrystal. It was suggested that the periodic ionic arrangements of the {1120} plane play an important role on the bonding between the HAp nanocrystals and the carboxyl groups of graft-polymer on the PET substrate.
- 社団法人日本セラミックス協会の論文
- 2008-01-01
著者
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Okada Masahiro
Department of Advanced Interdisciplinary Sciences, Graduate School of Engineering, Utsunomiya Univer
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Okada Masahiro
Dep. Of Bioengineering Advanced Medical Engineering Center National Cardiovascular Center Res. Inst.
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NAKAMURA Atsutomo
Graduate School of Mechanical and Physical Engineering, Osaka City University
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SHISHIDO Atsumasa
Graduate School of Mechanical and Physical Engineering, Osaka City University
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KISHIDA Ippei
Graduate School of Mechanical and Physical Engineering, Osaka City University
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FURUZONO Tsutomu
Department of Bioengineering, National Cardiovascular Center Research Institute
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YOKOGAWA Yoshiyuki
Graduate School of Mechanical and Physical Engineering, Osaka City University
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Kishida Ippei
Graduate School Of Mechanical And Physical Engineering Osaka City University
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Nakamura Atsutomo
Graduate School Of Engineering Osaka City University
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Nakamura Atsutomo
Graduate School Of Mechanical And Physical Engineering Osaka City University
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Okada Masahiro
Department Of Advanced Interdisciplinary Sciences Graduate School Of Engineering Utsunomiya Universi
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Yokogawa Yoshiyuki
Graduate School Of Mechanical And Physical Engineering Osaka City University
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Furuzono Tsutomu
Dep. Of Bioengineering Advanced Medical Engineering Center National Cardiovascular Center Res. Inst.
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Furuzono Tsutomu
Department Of Bioengineering Advanced Medical Engineering Center National Cardiovascular Center Rese
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Shishido Atsumasa
Graduate School Of Mechanical And Physical Engineering Osaka City University
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Furuzono Tsutomu
Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering, Kagoshima University
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