Formation of octacalcium phosphate with incorporated succinic acid through gel-mediated processing
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概要
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Calcium phosphate crystals were formed by diffusion of calcium ions into polyacrylamide (PAAm) hydrogels containing phosphate ions and succinic acid. Octacalcium phosphate (OCP) and OCP with incorporated succinate (Suc–OCP) were formed in the PAAm hydrogel. Suc–OCP was formed in the presence of excess amounts of succinic acid. The precipitates of OCP and Suc–OCP had a layered structure, composed of alternating layers of fine or irregular-shaped particles, and large spherical crystals that were the focus of this work. All of the spherical crystals were composed of many flake-like crystals. When the succinic acid concentration was ≤0.375 mol·dm−3 a network-like structure was observed on the spherulites, and for succinic acid concentrations ≥0.75 mol·dm−3 a petal-like structure was observed. These morphological changes were probably caused by adsorption of succinate ions on the (100) plane of OCP.
- 公益社団法人 日本セラミックス協会の論文
著者
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KAMITAKAHARA Masanobu
Graduate School of Environmental Studies, Tohoku University
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Kamitakahara Masanobu
Graduate School Of Environmental Studies Tohoku Univ.
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Ohtsuki Chikara
Department Of Crystalline Materials Science Graduate School Of Engineering Nagoya University
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Kato Hidetaka
Department of Biology, Faculty of Science, Shizuoka University
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Yokoi Taishi
Department of Crystalline Materials Science, Graduate School of Engineering, Nagoya University
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KAWASHITA Masakazu
Department of Biomedical Engineering, Graduate School of Biomedical Engineering, Tohoku University
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Ohtsuki Chikara
Department of Crystalline Materials Science, Graduate School of Engineering, Nagoya University
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KATO Hidetaka
Department of Crystalline Materials Science, Graduate School of Engineering, Nagoya University
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