Masahiro Okada

Summary

Affiliation: Osaka Dental University
Country: Japan

Publications

  1. doi Expansion of nanosized pores in low-crystallinity nanoparticle-assembled plates via a thermally induced increase in solid-state density
    Masahiro Okada
    Department of Biomaterials, Osaka Dental University, 8 1 Kuzuha Hanazono, Hirakata, Osaka 573 1121, Japan
    J Colloid Interface Sci 405:58-63. 2013
  2. doi Formation of Pickering emulsions stabilized via interaction between nanoparticles dispersed in aqueous phase and polymer end groups dissolved in oil phase
    Masahiro Okada
    Department of Biomedical Engineering, School of Biology Oriented Science and Technology, Kinki University, 930 Nishi Mitani, Kinokawa, Wakayama 649 6493, Japan
    Langmuir 28:9405-12. 2012
  3. doi Low-temperature synthesis of nanoparticle-assembled, transparent, and low-crystallized hydroxyapatite blocks
    Masahiro Okada
    Department of Biomedical Engineering, School of Biology Oriented Science and Technology, Kinki University, 930 Nishi Mitani, Kinokawa, Wakayama 649 6493, Japan
    J Colloid Interface Sci 360:457-62. 2011
  4. doi Hydroxyapatite/biodegradable poly(L-lactide-co-ε-caprolactone) composite microparticles as injectable scaffolds by a Pickering emulsion route
    Xiangwen Liu
    Department of Biomedical Engineering, School of Biology Oriented Science and Technology, Kinki University, 930 Nishimitani, Kinokawa, Wakayama 649 6493, Japan
    Acta Biomater 7:821-8. 2011
  5. doi In vitro human periodontal ligament-like tissue formation with porous poly-L-lactide matrix
    Wen Liao
    Graduate School of Dentistry, Department of Orthodontics, Osaka Dental University, Hirakata shi, Osaka Fu, Japan
    Mater Sci Eng C Mater Biol Appl 33:3273-80. 2013
  6. doi A novel strategy for preparing nanoporous biphasic calcium phosphate of controlled composition via a modified nanoparticle-assembly method
    Keiko Fujiwara
    Graduate School of Dentistry, Department of Orthodontics, Osaka Dental University, 8 1 Kuzuha Hanazono, Hirakata, Osaka 573 1121, Japan Electronic address
    Mater Sci Eng C Mater Biol Appl 35:259-66. 2014
  7. doi Fabrication of dispersible calcium phosphate nanocrystals via a modified Pechini method under non-stoichiometric conditions
    Yuko Omori
    Graduate School of Dentistry, Department of Orthodontics, Osaka Dental University, 8 1 Kuzuha Hanazono, Hirakata, Osaka 573 1121, Japan
    Mater Sci Eng C Mater Biol Appl 42:562-8. 2014
  8. doi Preparation of carboxylated Ag nanoparticles as a coating material for medical devices and control of antibacterial activity
    Tsutomu Furuzono
    Department of Biomaterial Engineering, School of Biology Oriented Science and Technology, Kinki University, 930 Nishimitani, Kinokawa, Wakayama, 649 6493, Japan
    J Artif Organs 16:451-7. 2013

Collaborators

  • Syuji Fujii
  • Yoshiya Hashimoto
  • Naoyuki Matsumoto
  • Tsutomu Furuzono
  • Yuko Omori
  • Shoji Takeda
  • Keiko Fujiwara
  • Wen Liao
  • Xiangwen Liu
  • Takashi Iwamoto
  • Yoshinao Azuma
  • Yoshiki Sawa
  • Fumito Sakamoto
  • Kaoru Inami
  • Aki Nishiura
  • Naoya Okita
  • Hayata Maeda

Detail Information

Publications8

  1. doi Expansion of nanosized pores in low-crystallinity nanoparticle-assembled plates via a thermally induced increase in solid-state density
    Masahiro Okada
    Department of Biomaterials, Osaka Dental University, 8 1 Kuzuha Hanazono, Hirakata, Osaka 573 1121, Japan
    J Colloid Interface Sci 405:58-63. 2013
    ..9 to 250 nm. These results indicate that the pore size expanded because of increases in crystallinity and density, despite the large decrease in the total volume because of thermally induced sintering of the nanoparticles...
  2. doi Formation of Pickering emulsions stabilized via interaction between nanoparticles dispersed in aqueous phase and polymer end groups dissolved in oil phase
    Masahiro Okada
    Department of Biomedical Engineering, School of Biology Oriented Science and Technology, Kinki University, 930 Nishi Mitani, Kinokawa, Wakayama 649 6493, Japan
    Langmuir 28:9405-12. 2012
    ..In addition, Pickering-type suspension polymerization of styrene droplets stabilized by PS molecules containing carboxyl end groups successfully led to the formation of spherical HAp-coated microspheres...
  3. doi Low-temperature synthesis of nanoparticle-assembled, transparent, and low-crystallized hydroxyapatite blocks
    Masahiro Okada
    Department of Biomedical Engineering, School of Biology Oriented Science and Technology, Kinki University, 930 Nishi Mitani, Kinokawa, Wakayama 649 6493, Japan
    J Colloid Interface Sci 360:457-62. 2011
    ..The nanoparticle-assembled transparent HAp had nanosized pores among the particles. Cell adhesion and proliferation on the block could be directly observed with an optical microscope...
  4. doi Hydroxyapatite/biodegradable poly(L-lactide-co-ε-caprolactone) composite microparticles as injectable scaffolds by a Pickering emulsion route
    Xiangwen Liu
    Department of Biomedical Engineering, School of Biology Oriented Science and Technology, Kinki University, 930 Nishimitani, Kinokawa, Wakayama 649 6493, Japan
    Acta Biomater 7:821-8. 2011
    ..The weight percentages of HAp nanocrystals on the HAp/P(LA/CL) microparticles of different average sizes were measured by thermogravimetric analysis...
  5. doi In vitro human periodontal ligament-like tissue formation with porous poly-L-lactide matrix
    Wen Liao
    Graduate School of Dentistry, Department of Orthodontics, Osaka Dental University, Hirakata shi, Osaka Fu, Japan
    Mater Sci Eng C Mater Biol Appl 33:3273-80. 2013
    ..The results indicated in vitro HPdLLT formation, and it could be used in future periodontal ligament tissue engineering to achieve optimal periodontal regeneration...
  6. doi A novel strategy for preparing nanoporous biphasic calcium phosphate of controlled composition via a modified nanoparticle-assembly method
    Keiko Fujiwara
    Graduate School of Dentistry, Department of Orthodontics, Osaka Dental University, 8 1 Kuzuha Hanazono, Hirakata, Osaka 573 1121, Japan Electronic address
    Mater Sci Eng C Mater Biol Appl 35:259-66. 2014
    ..In vitro tests demonstrated enhanced cell adhesion on nanoporous BCP compared with densely sintered pure HAp, and cell differentiation was promoted on the nanoporous pure HAp...
  7. doi Fabrication of dispersible calcium phosphate nanocrystals via a modified Pechini method under non-stoichiometric conditions
    Yuko Omori
    Graduate School of Dentistry, Department of Orthodontics, Osaka Dental University, 8 1 Kuzuha Hanazono, Hirakata, Osaka 573 1121, Japan
    Mater Sci Eng C Mater Biol Appl 42:562-8. 2014
    ..The HAp nanocrystals were dispersed in aqueous media mostly in the form of nanoparticles when the amount of CaO matrix was sufficiently greater than the amount of HAp. ..
  8. doi Preparation of carboxylated Ag nanoparticles as a coating material for medical devices and control of antibacterial activity
    Tsutomu Furuzono
    Department of Biomaterial Engineering, School of Biology Oriented Science and Technology, Kinki University, 930 Nishimitani, Kinokawa, Wakayama, 649 6493, Japan
    J Artif Organs 16:451-7. 2013
    ..coli was evaluated. Smaller-size Ag nanoparticles showed higher antibacterial activity, which depended on a surface area that attached easily to a microorganism cell membrane. ..