1)Y. Shirosaki, K. Tsuru, S. Hayakawa, A. Osaka, MA. Lopes, JD. Santos, MH. Fernandes, "In vitro cytocompatibility of MG63 cells on chitosan-organosiloxane hybrid membranes", Biomaterials, 26[5], 485-493 (2005).

2)E. Fujii, K. Kawabata, H. Yoshimatsu, K. Tsuru, S. Hayakawa, A. Osaka, "Preparation of aluminum oxide-hybridized hydroxyapatite powder by the sol-gel method", Journal of the Ceramics Society of Japan, 113[3], 241-244 (2005).

3)K. Kataoka, Y. Nagao, T. Nukui, I. Akiyama, K. Tsuru, S. Hayakawa, A. Osaka, NH. Huh, "An organic-inorganic hybrid scaffold for the culture of HepG2 cells in a bioreactor", Biomaterials, 26[15], 2509-2516 (2005).

4)J-M. Wu, T-W. Zhang, Y-W. Zeng, S. Hayakawa, K. Tsuru, A. Osaka, "Large-Scale Preparation of Ordered Titania Nanorods with Enhanced Photocatalytic Activity", Langmuir, 21[15], 6995-7002 (2005).

5)Y. Shirosaki, M. Kubo, S. Takashima, K. Tsuru, S. Hayakawa, A. Osaka, "In vitro apatite formation on organic polymers modified with a silane coupling reagent", Journal of the Royal Society Interface, 2[4], 335-340 (2005).

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＜Proceedings＞

1)S. Hayakawa, Y. Liu, K. Okamoto, K. Tsuru, A. Osaka, "Formation of titania submicron-scale rod arrays on titanium substrate and in vitro biocompatibility", Mater. Res. Soc. Symp. Proc. vol. 845, AA6.9 (2005).

2)S. Hayakawa, Y-X. Liu, K. Okamoto, A. Sekikawa, K. Tsuru, A. Osaka, "Nano-crystalline Titanium oxide layer grown at glass-coating/titanium interface for biomedical application", Third Balkan Conference on Glass Science and Technology, 15th Conference on Glass and Ceramics, p.18 (2005).

3)F. Xiao, K. Tsuru, S. Hayakawa, A. Osaka, "Deposition of bioactive titania layers under ambient conditions due to hydrolysis of titanium oxysulfate aqueous solutions", Archives of BioCeramics Research, Vol. 5, pp.47-50 (2005).

4)M. Yamamoto, K. Tsuru, S. Hayakawa, A. Osaka, E. Fujii, K. Kawabata, "Surface characterization and corrosion behavior of NiTi alloy coated with nano-crystalline titanium oxide film", Archives of BioCeramics Research, vol. 5, pp.118-121 (2005).

5)J-F. Liu, J-M. Wu, K. Tsuru, S. Hayakawa, A. Osaka, "Structural dependence on the apatite-forming ability of TiOSO4-treated titanium at low temperature", Archives of BioCeramics Research, vol. 5, pp.126-129 (2005).

6)Y. Kuboki, R. Yoshimoto, H. Kato, D. Li, T. Kaku, N. Tanaka, M. Kaneko, A. Yanagisawa, K. Tsuru, A. Osaka, H. Shiota, Y. Seki, H. Takita, "A New Paradigm of Titanium-Bone Bonding: Creation of the Collaboration Zone between the both Substances by Use of 3-D Titanium Web, which is attached to the Titanium Bulk by Vacuum Sintering", Archives of BioCeramics Research, vol. 5, pp. 146-149 (2005).

7)K. Tsuru, M. Nagahara, S. Hayakawa, A. Osaka, K. Deguishi, N-H. Huh, "In vitro protein release behavior of gelatin-silicate porous hybrids", Archives of BioCeramics Research, vol. 5, pp.170-173 (2005).

8)S. Hayakawa, Y-X. Liu, K. Tsuru, A. Osaka, E. Fujii, K. Kawabata, "In vitro apatite formation on nano-crystalline titanium oxide layer grown at glass-coating/titanium interface", Archives of BioCeramics Research, vol. 5, pp.356-359 (2005).

9)J.M. Zhao, K. Tsuru, S. Hayakawa, A. Osaka, "Modification of dental implant surface for inducing periodontal tissue formation", Proc. the 22nd International Korea-Japan Seminar on Ceramics, pp. 533-536 (2005).

10)A. G. Dias, M.A. Lopes, K. Tsuru, S. Hayakawa, J. D. Santos, A. Osaka, "31P MAS-NMR Studies of CaO-P2O5 Glass Ceramics", Bioceramics, vol.18, pp. 301-304 (2005).

11)J.M. Wu, M. Wang, S. Hayakawa, K. Tsuru, A. Osaka, "In Vitro Bioactivity of Hydrogen Peroxide Modified Titanium: Effects of Surface Morphology and Film Thickness", Bioceramics, vol.18, pp. 407-410 (2005).

12)J.M. Wu, M. Wang, S. Hayakawa, K. Tsuru, A. Osaka, "Direct Deposition of Rutile Layer on Polymer Substrates to induce Bioactivity In Vitro", Bioceramics, vol.18, pp. 419-422 (2005)

13)S. Hayakawa, K. Ohnishi, K. Tsuru, A. Osaka, E. Fujii, K. Kawabata, F. Babonneau, C. Bonhomme, "Selective Protein Adsorption Property and Structure of Nano-Crystalline Hydroxy-carbonate Apatite", Bioceramics, vol.18, pp. 503-506 (2005).

14)T. Shozui, K. Tsuru, S. Hayakawa, A. Osaka, "Characterization of Sol-Gel derived Titania Films on Titanium and Biomimetic Apatite-Formation", Bioceramics, vol.18, pp. 717-720 (2005).

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＜Internatinal Congress＞

1)T. Yoshioka, K. Tsuru, S. Hayakawa, A. Osaka, "Chemically modified alginic acid layers for control of protein adsorption", Materials Research Society Spring Meeting, Abstract M1.7, 2005.3.29, San Francisco, USA.

2)T. Okayama, Y. Shirosaki, K. Tsuru, S. Hayakawa, A. Osaka, "In vitro bioactivity and cytocompatibility of chitosan-silicate porous hybrids", 13th International Workshop on Sol-Gel Science and Technology, Abstract P175, p. 485, 2005.8.22, Los Angeles, USA.

3)J.F. Liu*, K. Tsuru, S. Hayakawa, A. Osaka (*Zhejiang Univ), "Biologically active titania deposition into cotton fibrils from titania colloidal solutions", 13th International Workshop on Sol-Gel Science and Technology, Abstract P180, p. 495 2005.8.24, Los Angeles, USA.

4)Y. Shirosaki, K. Tsuru, S. Hayakawa, A. Osaka, "In vitro biodegradability and protein release behavior of chitosan-silicate porous hybrids", 13th International Workshop on Sol-Gel Science and Technology, Abstract P231, p. 601, 2005.8.22, Los Angeles, USA.

5)Y. Shirosaki, T. Okayama, S. Yabe, K. Tsuru, S. Hayawaka, A. Osaka, M. A. Lopes, J. D. Santos, M. H. Fernandes, "Preparation and synthesis of chitosan-silicate hybrids", European congress on advanced materials and processes (EUROMAT2005), SymposiumB22, 2005.9.8, Prague, Czech Republic.

6)E. Fujii, K. Kawabata, K. Tsuru, S. Hayakawa, A. Osaka, F. Babonneau, "Synthesis and structural characterization of metal oxides hybridized nanohydroxyapatite powders for gas adsorbent", 6th Pacific Rim Conference on Ceramic and Glass Technology, PACRIM-S2-14-2005, 2005.9.12, Hawaii, USA.

7)K. Okamoto, S. Hayakawa, K. Tsuru, A. Osaka, "Novel process for submicron-scale ceramic rod array formation on metallic substrate", 6th Pacific Rim Conference on Ceramic and Glass Technology, PACRIM-S10-54-2005, 2005.9.14, Hawaii, USA.

8)K. Ando, S. Hayakawa, M. Ohkubo, K. Tsuru, A. Osaka, E. Fujii*, K. Kawabata* (*岡山工技セ), "Synthesis and Structural Characterization of Nanoapatite Ceramics Powders for Biomedical Applicatiions", 6th Pacific Rim Conference on Ceramic and Glass Technology, PACRIM-S10-56-2005, 2005.9.14, Hawaii, USA.

9)K. Tsuru, S. Hayakawa, A. Osaka, "Bioactive inorganic-organic hybrid gels for biomedical applications", A Forecast of the Future for Biomaterials Professor Larry L. Hench Retirement Symposium, 2005.9.30, Imperial College, London.

10)F. Xiao*, K. Tsuru, S. Hayakawa, A. Osaka (*Zhejiang Univ), Deposition of bioactive titania layers under ambient conditions due to hydrolysis of titanium oxysulfate aqueous solutions, 5th Asian BioCeramics Symposium (ABC2005), pp. 47-50, 2005.10.1, Sapporo, Japan.

11)M. Yamamoto, K. Tsuru, S. Hayakawa, A. Osaka, E. Fujii, K. Kawabata, Surface characterization and corrosion behavior of NiTi alloy coated with nano-crystalline titanium oxide film", 5th Asian BioCeramics Symposium (ABC2005) pp. 118-121, 2005.10.2, Sapporo, Japan.

12)J.F Liu*, J-M. Wu*, K. Tsuru, S. Hayakawa, A. Osaka (Zhejiang Univ), "Structural dependence on the apatite-forming ability of TiOSO4-treated titanium at low temperature",
5th Asian BioCeramics Symposium (ABC2005) pp. 126-129, 2005.10.2, Sapporo, Japan.

13)Y. Kuboki, R. Yoshimoto, H. Kato, D. Li, T. Kaku, N. Tanaka, M. Kaneko, A. Yanagisawa, K. Tsuru, A. Osaka, H. Shiota, Y. Seki and H. Takita, A New Paradigm of Titanium-Bone Bonding: Creation of the Collaboration Zone between the both Substances by Use of 3-D Titanium Web, which is attached to the Titanium Bulk by Vacuum Sintering", 5th Asian BioCeramics Symposium (ABC2005) pp. 146-149, 2005.10.2, Sapporo, Japan.

14)K. Tsuru, M. Nagahara, S. Hayakawa, A. Osaka, K. Deguishi, N-H. Huh, "In vitro protein release behavior of gelatin-silicate porous hybrids", 5th Asian BioCeramics Symposium (ABC2005) pp. 170-173, 2005.10.1, Sapporo, Japan.

15)S. Hayakawa, Y. Liu, K. Tsuru, A. Osaka, E. Fujii, K. Kawabata, "In vitro apatite formation on nano-crystalline titanium oxide layer grown at glass-coating/titanium interface",5th Asian BioCeramics Symposium (ABC2005) pp. 356-359, 2005.10.2, Sapporo, Japan.

16)S. Hayakawa, F. Babonneau, K. Tsuru, A. Osaka, "Fabrication of calcium phosphate-based composite oxide particles for biomedical applications", Composites at Lake Louise 2005, 2005.11.1, Lake Louise, Canada.

17)J-M. Zhao, K. Tsuru, S. Hayakawa, A. Osaka, "Modification of dental implant surface for inducing periodontal tissue formation", The 22nd International Korea-Japan Seminar on Ceramics, pp. 533-536, 2005.11.24-26, Nagoya, Japan.

18)A. G. Dias, M.A. Lopes, K. Tsuru, S. Hayakawa, J. D. Santos, A. Osaka, "31P MAS-NMR Studies of CaO-P2O5 Glass Ceramics", Bioceramics, vol.18, pp. 301-304, 2005.12.5-8, Kyoto, Japan.

19)J-M. Wu*,**, M. Wang**, S. Hayakawa, K. Tsuru, A. Osaka (*Zhejiang Univ)(**University of Hong Kong), "In Vitro Bioactivity of Hydrogen Peroxide Modified Titanium: Effects of Surface Morphology and Film Thickness", Bioceramics, vol.18, pp. 407-410, 2005.12.5-8, Kyoto, Japan.

20)J-M. Wu*,**, M. Wang**, S. Hayakawa, K. Tsuru, A. Osaka (*Zhejiang Univ)(**University of Hong Kong), "Direct Deposition of Rutile Layer on Polymer Substrates to induce Bioactivity In Vitro", Bioceramics, vol.18, pp. 419-422, 2005.12.5-8, Kyoto, Japan.

21)S. Hayakawa, K. Ohnishi, K. Tsuru, A. Osaka, E. Fujii, K. Kawabata, F. Babonneau, C. Bonhomme, "Selective Protein Adsorption Property and Structure of Nano-Crystalline Hydroxy-carbonate Apatite", Bioceramics, vol.18, pp. 503-506, 2005.12.5-8, Kyoto, Japan.

22)T. Shozui, K. Tsuru, S. Hayakawa, A. Osaka, "Characterization of Sol-Gel derived Titania Films on Titanium and Biomimetic Apatite-Formation", Bioceramics, vol.18, pp. 717-720, 2005.12.5-8, Kyoto, Japan.