Heterogeneous structure of hydroxyapatite and in vitro degradability

Satoshi Hayakawa; Yuki Shirosaki; Akiyoshi Osaka; Christian Jäger

Heterogeneous structure of hydroxyapatite and in vitro degradability

Satoshi Hayakawa, Yuki Shirosaki, Akiyoshi Osaka, Christian Jäger

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Hydroxyapatite (HAp) particles were synthesized by two processing methods such as solid-state reaction and wet chemical reaction, and were characterized in terms of their chemical composition, disordered structure and in vitro biodegradability. XRD revealed that the prepared HAp particles were composed of single phase HAp, while 1D and 2D solid-state NMR analysis showed that the prepared HAp particles consisted of not only crystalline HAp but also disordered phase. The in vitro biodegradability was discussed by using a structure model for nano-crystalline HAp, in which the nano-crystals consist of a crystalline HAp core covered with a disordered surface layer (core-shell model).

Original language	English
Title of host publication	Advances in Bioceramics and Porous Ceramics V - A Collection of Papers Presented at the 36th International Conference on Advanced Ceramics and Composites, ICACC 2012
Pages	49-56
Number of pages	8
Edition	6
Publication status	Published - Apr 8 2013
Event	Advances in Bioceramics and Porous Ceramics V - 36th International Conference on Advanced Ceramics and Composites, ICACC 2012 - Daytona Beach, FL, United States Duration: Jan 22 2012 → Jan 27 2012

Publication series

Name	Ceramic Engineering and Science Proceedings
Number	6
Volume	33
ISSN (Print)	0196-6219

Other

Other	Advances in Bioceramics and Porous Ceramics V - 36th International Conference on Advanced Ceramics and Composites, ICACC 2012
Country	United States
City	Daytona Beach, FL
Period	1/22/12 → 1/27/12

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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Hayakawa, S., Shirosaki, Y., Osaka, A., & Jäger, C. (2013). Heterogeneous structure of hydroxyapatite and in vitro degradability. In Advances in Bioceramics and Porous Ceramics V - A Collection of Papers Presented at the 36th International Conference on Advanced Ceramics and Composites, ICACC 2012 (6 ed., pp. 49-56). (Ceramic Engineering and Science Proceedings; Vol. 33, No. 6).

Heterogeneous structure of hydroxyapatite and in vitro degradability. / Hayakawa, Satoshi; Shirosaki, Yuki; Osaka, Akiyoshi; Jäger, Christian.

Advances in Bioceramics and Porous Ceramics V - A Collection of Papers Presented at the 36th International Conference on Advanced Ceramics and Composites, ICACC 2012. 6. ed. 2013. p. 49-56 (Ceramic Engineering and Science Proceedings; Vol. 33, No. 6).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hayakawa, S, Shirosaki, Y, Osaka, A & Jäger, C 2013, Heterogeneous structure of hydroxyapatite and in vitro degradability. in Advances in Bioceramics and Porous Ceramics V - A Collection of Papers Presented at the 36th International Conference on Advanced Ceramics and Composites, ICACC 2012. 6 edn, Ceramic Engineering and Science Proceedings, no. 6, vol. 33, pp. 49-56, Advances in Bioceramics and Porous Ceramics V - 36th International Conference on Advanced Ceramics and Composites, ICACC 2012, Daytona Beach, FL, United States, 1/22/12.

Hayakawa, Satoshi ; Shirosaki, Yuki ; Osaka, Akiyoshi ; Jäger, Christian. / Heterogeneous structure of hydroxyapatite and in vitro degradability. Advances in Bioceramics and Porous Ceramics V - A Collection of Papers Presented at the 36th International Conference on Advanced Ceramics and Composites, ICACC 2012. 6. ed. 2013. pp. 49-56 (Ceramic Engineering and Science Proceedings; 6).

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AB - Hydroxyapatite (HAp) particles were synthesized by two processing methods such as solid-state reaction and wet chemical reaction, and were characterized in terms of their chemical composition, disordered structure and in vitro biodegradability. XRD revealed that the prepared HAp particles were composed of single phase HAp, while 1D and 2D solid-state NMR analysis showed that the prepared HAp particles consisted of not only crystalline HAp but also disordered phase. The in vitro biodegradability was discussed by using a structure model for nano-crystalline HAp, in which the nano-crystals consist of a crystalline HAp core covered with a disordered surface layer (core-shell model).

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