ƒPublications„

1)S, Hayakawa, C. Ohtsuki, S. Matsumoto, A. Osaka, Y. Miura, "Molecular dynamic simulation of heterogeneity and chemical states of fluorine in amorphous alkaline earth silicate systems", Computational Materials Science, 9[3-4], 337-342 (1998).

2)K. Tsuru, S. Hayakawa, C. Ohtsuki, A. Osaka, "Ultrasonic implantation of calcium metasilicate glass particles into PMMA", Journal of Materials Science:Materials in Medicine, 9, 479-484 (1998).

3)K. Kawabata*, H. Yoshimatsu**, T. Yabuki**, A. Kubotsu**, S. Hayakawa, A. Osaka, Y. Miura (*Okayama Ceramics Research Foundation, **Industrial Technology Center of Okayama Prefecture), "Properties of alumina-zirconia powder prepared from aluminum chelate compound and zirconium alkoxide", Journal of Ceramic Society of Japan, 106[2], 155-159 (1998).

4)A. Osaka, S. Takemoto, S. Hayakawa, C. Ohtsuki, "Biomimetic coating of bone-like apatite on glass beads", Materials Science Research International, 4[1], 60-63 (1998).

5)S. Hayakawa, A. Nakao, C. Ohtsuki, A. Osaka, S. Matsumoto, Y. Miura, "An X-ray photoelectron spectroscopic study of the chemical states of fluorine atoms in calcium silicate glasses", Journal of Materials Research, 13[3], 739-743 (1998).

6)K. Tsuru, S. Hayakawa, C. Ohtsuki, A. Osaka, "Apatite formation on the surfaces of silicone elastomer covered with bioactive glass particles", Journal of the Society of Materials Science, Japan, 47[6], 565-570 (1998).

7)“s—¯Š°Ž¡C‘ì‘C‘å’ÎŽåÅC”öâ–¾‹`C"¶‘ÌŠˆ«ƒKƒ‰ƒX‚𕡍‡‰»‚µ‚½ƒVƒŠƒR[ƒ“ƒSƒ€•\–Ê‚É‚¨‚¯‚éƒAƒpƒ^ƒCƒgŒ`¬"CÞ—¿, 47, 565-570 (1998).


ƒProceedings„

1)S. Hayakawa, K. Tsuru, C. Ohtsuki, A. Osaka, "29Si and 31P MAS-NMR analysis of apatite formation on sodium silicate glass in a simulated body fluid", Proc. XVIII Internatl. Cong. Glass, ed. by M. K. Choudhary, N. T. Huff and C. H. Drummond III, Am. Ceram. Soc., C5, pp.36-41 (1998).

2)A. Osaka, S. Hayakawa, C. Ohtsuki, "Molecular dynemic simulation of microsegeregation of alkaline earth fluoride in amorphous alkaline earth silicate system", Proc. XVIII Internatl. Cong. Glass, ed. by M. K. Choudhary, N. T. Huff and C. H. Drummond III, Am. Ceram. Soc., D8, pp.55-60 (1998).

3)A. Osaka, S. Hayakawa, C. Ohtsuki, "Effect of cations on surface reactions and apatite nucleation on silicate glasses a body environment", Bioceramics, Vol. 11, ed. by R. Z. Legeros and J. P. Legeros, World Scientific, Singapore, pp. 489-492 (1998).

4)C. Ohtsuki, K. Kobayashi, S. Hayakawa, A. Osaka, H. Inoue*(*Department of Orthopaedic Surgery, Okayama University Medical School), "Cytocompatibility of titanium metal treated with hydeogenperoxide containing tantalum chloride", Bioceramics, Vol. 11, ed. by R. Z. Legeros and J. P. Legeros, World Scientific, Singapore, pp. 679-682 (1998).

5)K. Tsuru, S. Hayakawa, C. Ohtsuki, A. Osaka, "Bioactivity of organically modified ceramics film coated on polymer substrate", Bioceramics, Vol. 11, ed. by R. Z. Legeros and J. P. Legeros, World Scientific, Singapore, pp. 423-426 (1998).

6)S. Takashima*, C. Ohtsuki, S. Hayakawa, A. Osaka(*Co-operative Research Center, Okayama University), "Synthesis of blood compatible ceramic powders and a convenient method of evaluating an anti-clotting property", Bioceramics, Vol. 11, ed. by R. Z. Legeros and J. P. Legeros, World Scientific, Singapore, pp. 695-698 (1998).

7)S. Kaneko*, H. Inoue*, K. Kobayashi, C. Ohtsuki, A. Osaka(*Department of Orthopaedic Surgery, Okayama University Medical School), "Bone-bonding ability of titanium metal chemically treated with hydrogenperoxide containing tantalum chloride - In vivo examination",Bioceramics, Vol. 11, ed. by R. Z. Legeros and J. P. Legeros, World Scientific, Singapore, pp. 667-670 (1998).

8)A. Osaka, S. Hayakawa, C. Ohtsuki, "Effect of cations on surface reactions and apatite nucleation on silicate glasses a body environment", 11th International Symposium on Ceramics in Medicine, Bioceramis Vol. 11, pp.489-492, 1998.11. 5-8.

9)C. Ohtsuki, K. Kobayashi, S. Hayakawa, A. Osaka, Hajime Inoue*(*Department of Orthopaedic Surgery, Okayama University Medical School), "Cytocompatibility of titanium metal treated with hydeogenperoxide containing tantalum chloride", 11th International Symposium on Ceramics in Medicine, Bioceramis Vol. 11, pp.679-682, 1998. 11. 5-8.

10)K. Tsuru, S. Hayakawa, C. Ohtsuki, A. Osaka, "Bioactivity of organically modified ceramics film coated on polymer substrate", 11th International Symposium on Ceramics in Medicine, Bioceramics, Vol.11, pp.423-426, 1998. 11. 5-8.

11)S. Takashima*, C. Ohtsuki, S. Hayakawa, A. Osaka(*Co-operative Research Center, Okayama University), Synthesis of blood compatible ceramic powders and a convenient method of evaluating an anti-clotting property", 11th International Symposium on Ceramics in Medicine, Bioceramics, Vol.11, pp.695-698, 1998. 11. 5-8.

12)S. Kaneko*, H. Inoue*, K. Kobayashi, C. Ohtsuki, A. Osaka(*Department of Orthopaedic Surgery, Okayama University Medical School), "Bone-bonding ability of titanium metal chemically treated with hydrogenperoxide containing tantalum chloride - In vivo examination", 11th International Symposium on Ceramics in Medicine, Bioceramics, Vol.11, pp.667-670, 1998. 11. 5-8.


ƒInternational Congress„

1)K. Tsuru, S. Hayakawa, C. Ohtsuki, A. Osaka, "Microstructure and bioactivity of inorganic-organic hybrid polymers containing silanol groups", Materials Research Society 1998 Spring Meeting, Symposium O: Hybrid Materials, Hybrid Biomaterials, O6.6 p. 258, 1998.4.13-17, San Francisco, USA.

2)A. Osaka, S. Hayakawa, C. Ohtsuki, "Effects of cations on nucleation and growth of hydroxyapatite on silica gel layers in body environment", 100th Annual Meeting, The American Ceramic Society, Abstracts SI-024-98, p.9, 1998.5.3-6, Cincinnati, USA.

3)S. Hayakawa, K. Tsuru, C. Ohtsuki, A. Osaka, "Structural reorganization of silica gel layer derived on glass by surface corrosion and deposition of calcium phosphates", 100th Annual Meeting, The American Ceramic Society, Abstracts SXIX-015-98, p. 258, 1998.5.3-6, Cincinnati, USA.

4)S. Hayakawa, K. Tsuru, C. Ohtsuki, A. Osaka, "29Si and 31P MAS-NMR analysis of apatite formation on sodium silicate glass in a simulated body fluid", XVIII International Congress on Glass, Abstracts ICG162-C05-006, p.33, 1998.7.5-10, San Francisco, USA.

5)A. Osaka, S. Hayakawa, C. Ohtsuki, "Molecular dynamic simulation of microsegregation of alkaline earth fluoride in amorphous alkaline earth silicate system", XVIII International Congress on Glass, Abstracts ICG163-P02-179, p.155,1998.7.5-10, San Francisco, USA.

6)A. Osaka, S. Hayakawa, C. Ohtsuki, "Effect of cations on surface reactions and apatite nucleation on silicate glasses a body environment", 11th International Symposium on Ceramics in Medicine, Bioceramis Vol.11, pp.489-492, 1998.11.5-8, New York, USA.

7)C. Ohtsuki, K. Kobayashi, S. Hayakawa, A. Osaka, H. Inoue*(*Department of Orthopaedic Surgery, Okayama University Medical School), "Cytocompatibility of titanium metal treated with hydeogenperoxide containing tantalum chloride", 11th International Symposium on Ceramics in Medicine, Bioceramis Vol.11, pp.679-682, 1998.11.5-8, New York, USA.

8)K. Tsuru, S. Hayakawa, C. Ohtsuki, A. Osaka, "Bioactivity of organically modified ceramics film coated on polymer substrate", 11th International Symposium on Ceramics in Medicine, Bioceramics, Vol.11, pp.423-426, 1998.11.5-8, New York, USA.

9)S. Takashima*, C. Ohtsuki, S. Hayakawa, A. Osaka(*Co-operative Research Center, Okayama University), "Synthesis of blood compatible ceramic powders and a convenient method of evaluating an anti-clotting property",11th International Symposium on Ceramics in Medicine, Bioceramics, Vol.11, pp.695-698, 1998.11.5-8, New York, USA.

10)S. Kaneko*, H. Inoue*, K. Kobayashi, C. Ohtsuki, A. Osaka(*Department of Orthopaedic Surgery, Okayama University Medical School), "Bone-bonding ability of titanium metal chemically treated with hydrogenperoxide containing tantalum chloride - In vivo examination",11th International Symposium on Ceramics in Medicine, Bioceramics, Vol.11, pp.667-670, 1998.11.5-8, New York, USA.