Personnel Information

写真a

YOKOI Taishi


Job title

Associate Professor
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Graduating School 【 display / non-display 】

  • Nagoya University, Faculty of Engineering, 2007.03, Graduated

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Graduate School 【 display / non-display 】

  • Nagoya University, Graduate School, Division of Engineering, Master's Course, 2009.03, Completed

  • Nagoya University, Graduate School, Division of Engineering, Doctor's Course, 2012.03, Completed

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Campus Career 【 display / non-display 】

  • 2019.09
    -
    2023.03
    Tokyo Medical and Dental University， Institute of Biomaterials and Bioengineering， Biomedical Materials， Inorganic Biomaterials， Associate Professor
  • 2023.04
    -
    Now
    Tokyo Medical and Dental University， Institute of Biomaterials and Bioengineering， -， -， Associate Professor
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Research Areas 【 display / non-display 】

  • Biomedical engineering

  • Inorganic compounds and inorganic materials chemistry

  • Inorganic materials and properties

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Published Papers & Misc 【 display / non-display 】

  1. Katada H, Inokoshi M, Kamijo S, Liu H, Xu K, Kawashita M, Yokoi T, Shimabukuro M, Minakuchi S. Effects of multiple firings on the translucency, crystalline phase, and mechanical strength of highly translucent zirconia. Dent Mater J. 2023.11;

  2. Yokoi T, Watanabe M, Goto T, Meng S, Sekino T, Shimabukuro M, Kawashita M. Synthesis of Octacalcium Phosphate Containing Glutarate Ions with a High Incorporation Fraction. Materials (Basel, Switzerland). 2022.12; 16 (1): ( PubMed, DOI )

  3. Taishi Yokoi, Hideaki Matsubara, Takuto Kamitani, Sota Terasaka, Masanobu Kamitakahara. Preparing dense Yb2SiO5 sintered bodies from Yb–Si–O powder synthesized by the polymerizable complex method and appropriate calcination Journal of the Ceramic Society of Japan. 2022.01; 130 118-122.

  4. Wang Yunting, Yoshida Yutaka, Kamiie Junichi, Shiwaku Yukari, Suzuki Osamu, Furuya Maiko, Yokota Kotone, Kanetaka Hiroyasu, Yokoi Taishi, Kawashita Masakazu. Proteomic identification of serum proteins to induce osteoconductivity of hydroxyapatite(和訳中) Dental Materials Journal. 2021.11; 40 (6): 1428-1436. ( ichushi )

  5. Mikami Keita, Kanetaka Hiroyasu, Furuya Maiko, Yokota Kotone, Saijo Yoshifumi, Yokoi Taishi, Kawashita Masakazu. Hydrothermal synthesis and preliminary cytotoxicity assessment of gadolinium borate nanoparticles for neutron capture therapy JOURNAL OF NANOPARTICLE RESEARCH. 2021.09; 23 (9): ( DOI )

  6. Wang Y, Yoshida Y, Kamiie J, Shiwaku Y, Suzuki O, Furuya M, Yokota K, Kanetaka H, Yokoi T, Kawashita M. Proteomic identification of serum proteins to induce osteoconductivity of hydroxyapatite. Dental materials journal. 2021.08; 40 (6): 1428-1436. ( PubMed, DOI )

  7. Yokoi Taishi, Kawashita Masakazu. Understanding the Steric Structures of Dicarboxylate Ions Incorporated in Octacalcium Phosphate Crystals MATERIALS. 2021.06; 14 (11): ( PubMed, DOI )

  8. Kubota Moe, Yokoi Taishi, Ogawa Tomoyuki, Saito Shin, Furuya Maiko, Yokota Kotone, Kanetaka Hiroyasu, Jeyadevan Balachandran, Kawashita Masakazu. In-vitro heat-generating and apatite-forming abilities of PMMA bone cement containing TiO2 and Fe3O4 CERAMICS INTERNATIONAL. 2021.05; 47 (9): 12292-12299. ( DOI )

  9. Wang Yunting, Tsuru Kanji, Ishikawa Kunio, Yokoi Taishi, Kawashita Masakazu. Fibronectin adsorption on carbonate-containing hydroxyapatite CERAMICS INTERNATIONAL. 2021.04; 47 (8): 11769-11776. ( DOI )

  10. Hiji Akari, Hanawa Takao, Yokoi Taishi, Chen Peng, Ashida Maki, Kawashita Masakazu. Time Transient of Calcium and Phosphate Ion Adsorption by Rutile Crystal Facets in Hanks' Solution Characterized by XPS LANGMUIR. 2021.03; 37 (12): 3597-3604. ( PubMed, DOI )

  11. Yokoi Taishi, Goto Tomoyo, Hara Mitsuo, Sekino Tohru, Seki Takahiro, Kamitakahara Masanobu, Ohtsuki Chikara, Kitaoka Satoshi, Takahashi Seiji, Kawashita Masakazu. Incorporation of tetracarboxylate ions into octacalcium phosphate for the development of next-generation biofriendly materials COMMUNICATIONS CHEMISTRY. 2021.01; 4 (1): 4. ( PubMed, DOI )

  12. Taishi Yokoi, Tatsuki Ujiyama, Jin Nakamura, Masakazu Kawashita, Chikara Ohtsuki. Behaviour of calcium phosphate ester salts in a simulated body fluid modified with alkaline phosphatase: a new concept of ceramic biomaterials Materials Advances. 2020.11; 1 (9): 3215-3220. ( DOI )

  13. Moe Kubota, Taishi Yokoi, Tomoyuki Ogawa, Shin Saito, Maiko Furuya, Kotone Yokota, Hiroyasu Kanetaka, Balachandran Jeyadevan, Masakazu Kawashita. Setting behaviour, mechanical properties and heat generation under alternate current magnetic fields of Fe3O4/TiO2/PMMA composite bone cement MEDICAL DEVICES & SENSORS. 2020.09; 00 e10114. ( DOI )

  14. Hiroki Chigama, Taishi Yokoi, Maiko Furuya, Kotone Yokota, Hiroyasu Kanetaka, Masakazu Kawashita. Apatite formation and bacterial growth on raw silk fabric heated in argon gas Journal of Materials Science: Materials in Medicine. 2020.06; 31 (6): ( DOI )

  15. Taishi Yokoi, Tomoyo Goto, Takeharu Kato, Seiji Takahashi, Jin Nakamura, Tohru Sekino, Chikara Ohtsuki, Masakazu Kawashita. Hydroxyapatite Formation from Octacalcium Phosphate and Its Related Compounds: A Discussion of the Transformation Mechanism Bulletin of the Chemical Society of Japan. 2020.05; 93 (5): 701-707. ( DOI )

  16. Sota Terasaka, Hideaki Matsubara, Takashi Shirato, Masanobu Kamitakahara, Taishi Yokoi, Norio Yamaguchi, Byung-Nam Kim. Experimental and computational study on sintering of ceramic coating layers with complex porous structures Journal of the American Ceramic Society. 2019.12;

  17. Emi Kawai, Hideki Kakisawa, Atsushi Kubo, Norio Yamaguchi, Taishi Yokoi, Takashi Akatsu, Satoshi Kitaoka, Yoshitaka Umeno. Crack initiation criteria in EBC under thermal stress Coatings. 2019.12;

  18. Kawai Emi, Kakisawa Hideki, Kubo Atsushi, Yamaguchi Norio, Yokoi Taishi, Akatsu Takashi, Kitaoka Satoshi, Umeno Yoshitaka. Crack Initiation Criteria in EBC under Thermal Stress COATINGS. 2019.11; 9 (11): ( DOI )

  19. Taishi Yokoi. The development of novel calcium phosphate-polymer composite biomaterials with macro- to nano-level controlled hierarchical structures Journal of the Ceramic Society of Japan. 2019.10; 127 (10): 715-721.

  20. Yokoi Taishi. The development of novel calcium phosphate-polymer composite biomaterials with macro- to nano-level controlled hierarchical structures JOURNAL OF THE CERAMIC SOCIETY OF JAPAN. 2019.10; 127 (10): 715-721. ( DOI )

  21. Kamitakahara M, Takahashi S, Yokoi T, Inoue C, Ioku K. Adhesion Behavior of Microorganisms Isolated from Soil on Hydroxyapatite and Other Materials. Applied biochemistry and biotechnology. 2019.03; 187 (3): 984-993. ( PubMed, DOI )

  22. Masanobu Kamitakahara, Shohei Takahashi, Taishi Yokoi, Chihiro Inoue and Koji Ioku. Adhesion behavior of microorganisms isolated from soil on hydroxyapatite and other materials Applied Biochemistry and Biotechnology. 2019; 187 984-993.

  23. Taishi Yokoi, Tomoyo Goto, Satoshi Kitaoka. Formation of hydroxyapatite crystals from octacalcium phosphate with incorporated succinate ion under hydrothermal conditions Chemistry Letters. 2019; 48 855-858.

  24. Masanobu Kamitakahara, Shohei Takahashi, Taishi Yokoi and Chiiro Inoue. Preparation of spherical porous hydroxyapatite granules as support materials for microorganisms Journal of the Ceramic Society of Japan. 2018; 126 732-735.

  25. Kenshiro Kimura, Masanobu Kamitakahara, Taishi Yokoi and Koji Ioku. Formation process of hydroxyapatite granules in agarose hydrogel by electrophoresis Crystal Growth & Design. 2018; 18 1961-1966.

  26. Taishi Yokoi, Tomoyo Goto, Satoshi Kitaoka. Transformation of dicalcium phosphate dihydrate into octacalcium phosphate with incorporated dicarboxylate ions Journal of the Ceramic Society of Japan. 2018; 126 462-468.

  27. Takafumi Ogawa, Noriko Otani, Taishi Yokoi, Craig A. J. Fisher, Akihide Kuwabara, Hiroki Moriwake, Masato Yoshiya, Satoshi Kitaoka, Masasuke Takata. Density functional study of the phase stability and Raman spectra of Yb2O3, Yb2SiO5 and Yb2Si2O7 under pressure Physical Chemistry Chemical Physics. 2018; 20 (24): 16518-16527. ( DOI )

  28. Taishi Yokoi, Shingo Machida, Yoshiyuki Sugahara, Masami Hashimoto, Satoshi Kitaoka. Enantioselective incorporation of dicarboxylate guests by octacalcium phosphate CHEMICAL COMMUNICATIONS. 2017.06; 53 (48): 6524-6527. ( DOI )

  29. Taishi Yokoi, Norio Yamaguchi, Makoto Tanaka, Daisaku Yokoe, Takeharu Kato, Satoshi Kitaoka, Masasuke Takata. Preparation of a dense ytterbium disilicate layer via dual electron beam physical vapor deposition at high temperature MATERIALS LETTERS. 2017.04; 193 176-178. ( DOI )

  30. Taishi Yokoi, Norio Yamaguchi, Daisaku Yokoe, Takeharu Kato, Satoshi Kitaoka and Masasuke Takata. Densification of an ytterbium disilicate layer via dual electron beam physical vapor deposition at high temperature Materials Letters. 2017; 193 176-178.

  31. Masanobu Kamitakahara, Takashi Shirato, Taishi Yokoi, Hideaki Matsubara, Yasuaki Shibata, Tohru Ikeda. Effect of silicate incorporation in alpha-tricalcium phosphate on behaviors of osteoblast-like cells Key Engineering Materials. 2017; 720 90-94. ( DOI )

  32. Sota Terasaka, Masanobu Kamitakahara, Taishi Yokoi, Hideaki Matsubara. Effects of carbonate inclusion on fluoride ion removal by hydroxyapatite: A discussion from the viewpoint of hydroxyapatite dissolution JOURNAL OF THE CERAMIC SOCIETY OF JAPAN. 2016.12; 124 (12): 1211-1216. ( DOI )

  33. Kota Morishita, Eri Tatsukawa, Yasuaki Shibata, Fumio Suehiro, Masanobu Kamitakahara, Taishi Yokoi, Koji Ioku, Masahiro Umeda, Masahiro Nishimura, Tohru Ikeda. Diversity of multinucleated giant cells by microstructures of hydroxyapatite and plasma components in extraskeletal implantation model ACTA BIOMATERIALIA. 2016.07; 39 180-191. ( DOI )

  34. Masanobu Kamitakahara, Eri Tatsukawa, Yasuaki Shibata, Shota Umemoto, Taishi Yokoi, Koji Ioku, Tohru Ikeda. Effect of silicate incorporation on in vivo responses of α-tricalcium phosphate ceramics Journal of Materials Science: Materials in Medicine. 2016.05; 27 (5): 97-105. ( DOI )

  35. Taishi Yokoi, Mitsuo Hara, Takahiro Seki, Sota Terasaka, Masanobu Kamitakahara and Hideaki Matsubara. Synthesis of layered double hydroxide coatings with oriented structure and controllable thickness on aluminium substrates CrystEngComm. 2016; 18 1207-1214.

  36. Satoshi Kajiyama, Takeshi Sakamoto, Moe Inoue, Tatsuya Nishimura, Taishi Yokoi, Chikara Ohtsuki, Takashi Kato. Rapid and topotactic transformation from octacalcium phosphate to hydroxyapatite (HAP): a new approach to self-organization of free-standing thin-film HAP-based nanohybrids CRYSTENGCOMM. 2016; 18 (43): 8388-8395. ( DOI )

  37. Gazi Jased Ahmed, Eri Tatsukawa, Kota Morishita, Yasuaki Shibata, Fumio Suehiro, Masanobu Kamitakahara, Taishi Yokoi, Takehiko Koji, Masahiro Umeda, Tohru Ikeda. Regulation and Biological Significance of Formation of Osteoclasts and Foreign Body Giant Cells in an Extraskeletal Implantation Model ACTA HISTOCHEMICA ET CYTOCHEMICA. 2016; 49 (3): 97-107. ( DOI )

  38. Sota Terasaka, Masanobu Kamitakahara, Taishi Yokoi, Hideaki Matsubara. Ability of Hydroxyapatite Synthesized from Waste Oyster Shells to Remove Fluoride Ions MATERIALS TRANSACTIONS. 2015.09; 56 (9): 1509-1512. ( DOI )

  39. Masanobu Kamitakahara, Shohei Takahashi, Taishi Yokoi. Adhesion behaviors of Escherichia coli on hydroxyapatite Materials Science & Engineering C. 2015; 61 169-173.

  40. Yasuyuki Kato, Taishi Yokoi, Euisup Shin, Ill Yong Kim, Masakazu Kawashita, Koichi Kikuta, and Chikara Ohtsuki. Calcium phosphate-forming ability of magnetite and related materials in a solution mimicking in vivo conditions Journal of Asian Ceramic Societies. 2015; 3 44-49.

  41. Sota Terasaka, Masanobu Kamitakahara, Taishi Yokoi and Hideaki Matsubara. Ability of hydroxyapatite synthesized from waste oyster shells to remove fluoride ions Materials Transactions. 2015; 56 1509-1512.

  42. Masanobu Kamitakahara, Takuya Nagamori, Taishi Yokoi, Koji Ioku. Carbonate-containing hydroxyapatite synthesized by the hydrothermal treatment of different calcium carbonates in a phosphate-containing solution Journal of Asian Ceramic Societies. 2015; 3 287-291.

  43. Yasuyuki Kato, Taishi Yokoi, Euisup Shin, Ill Yong Kim, Masakazu Kawashita, Koichi Kikuta, Chikara Ohtsuki. Calcium phosphate-forming ability of magnetite and related materials in a solution mimicking in vivo conditions Journal of Asian Ceramic Societies. 2015; 3 44-49.

  44. Taishi Yokoi, Masanobu Kamitakahara, Chikara Ohtsuki. Continuous expansion of the interplanar spacing of octacalcium phosphate by incorporation of dicarboxylate ions with a side chain Dalton Transactions. 2015; 44 7943-7950.

  45. Taishi Yokoi, Kei Tsukada, Sota Terasaka, Masanobu Kamitakahara, Hideaki Matsubara. Morphological control of layered double hydroxide through a biomimetic approach using carboxylic and sulfonic acids Journal of Asian Ceramic Societies. 2015; 3 230-233.

  46. Sota Terasaka, Masanobu Kamitakahara, Taishi Yokoi, Koji Ioku. Effect of preparation temperature on the ability of bone char to remove fluoride ion and organic contaminants JOURNAL OF THE CERAMIC SOCIETY OF JAPAN. 2014.12; 122 (1432): 995-999. ( DOI )

  47. Taishi Yokoi, Masanobu Kamitakahara. Formation of Stacked Disc-shaped Layered Double Hydroxides by Homogeneous Precipitation Method CHEMISTRY LETTERS. 2014.02; 43 (2): 234-236. ( DOI )

  48. Tohru Ikeda, Michiyuki Kasai, Eri Tatsukawa, Masanobu Kamitakahara, Yasuaki Shibata, Taishi Yokoi, Takayuki K. Nemoto and Koji Ioku. A bone substitute with high affinity for vitamin D binding protein - relationship to niche of osteoclasts Journal of Cellular and Molecular Medicine. 2014; 18 170-180.

  49. Hiroyuki Shibata, Taishi Yokoi, Tomoyo Goto, Ill Yong Kim, Masakazu Kawashita, Koichi Kikuta, Chikara Ohtsuki. Behavior of hydroxyapatite crystals in a simulated body fluid: effects of crystal face JOURNAL OF THE CERAMIC SOCIETY OF JAPAN. 2013.09; 121 (1417): 807-812. ( DOI )

  50. Taishi Yokoi, Masakazu Kawashita and Chikara Ohtsuki. Effects of polymer concentration on the morphology of calcium phosphate crystals formed in polyacrylamide hydrogels Journal of Crystal Growth. 2013; 383 166-171.

  51. Taishi Yokoi, Masanobu Kamitakahara, Masakazu Kawashita and Chikara Ohtsuki. Formation of organically modified octacalcium phosphate in solutions containing various amounts of benzenedicarboxylic acids Journal of the Ceramic Society of Japan. 2013; 121 (1410): 219-225. ( DOI )

  52. Taishi Yokoi, Masakazu Kawashita, Chikara Ohtsuki. Biomimetic mineralization of calcium phosphates in polymeric hydrogels containing carboxyl groups Journal of Asian Ceramic Societies. 2013; 1 (2): 155-162. ( DOI )

  53. Taishi Yokoi, Ill Yong Kim, Masakazu Kawashita, Chikara Ohtsuki. Formation of Oriented Hydroxyapatite Crystals in a Hydrogel Key Engineering Materials. 2013; 529-530 24-28.

  54. Taishi Yokoi, Ill Yong Kim and Chikara Ohtsuki. Mineralization of Calcium Phosphate on Octacalcium Phosphate in a Solution Mimicking In Vivo Conditions Phosphorus Research Bulletin. 2012; 26 71-76. ( DOI )

  55. Taishi Yokoi, Hidetaka Kato, Ill Yong Kim, Koichi Kikuta, Masanobu Kamitakahara, Masakazu Kawashita and Chikara Ohtsuki. Formation of octacalcium phosphates with co-incorporated succinate and suberate ions Dalton Transactions. 2012; 41 (9): 2732-2737. ( PubMed, DOI )

  56. Taishi Yokoi, Hidetaka Kato, Ill Yong Kim, Koichi Kikuta, Masakazu Kawashita and Chikara Ohtsuki. Synthesis of octacalcium phosphate with incorporated succinate and suberate ions Ceramics International. 2012; 38 (5): 3815. ( DOI )

  57. Taishi Yokoi, Masakazu Kawashita, Chikara Ohtsuki. Effetcs of Monocarboxylic Acid Addition on Crystallization of Calcium Phosphate in a Hydrogel Matrix IOP Conference Series: Materials Science and Engineering. 2011.07; 18 192012. ( DOI )

  58. Taishi Yokoi, Masakazu Kawashita, Koichi Kikuta and Chikara Ohtsuki. Crystallization of calcium phosphate in polyacrylamide hydrogels containing phosphate ions Journal of Crystal Growth. 2010; 312 (16-17): 2376-2382. ( DOI )

  59. Taishi Yokoi, Masakazu Kawashita, Koichi Kikuta and Chikara Ohtsuki. Biomimetic mineralization of calcium phosphate crystals in polyacrylamide hydrogel: effect of concentrations of calcium and phosphate ions on crystalline phases and morphology Materials Science and Engineering: C. 2010; 30 (1): 154-159. ( DOI )

  60. Taishi Yokoi, Hidetaka Kato, Masanobu Kamitakahara, Masakazu Kawashita and Chikara Ohtsuki. Formation of octacalcium phosphate with incorporated succinic acid through gel-mediated processing Journal of the Ceramic Society of Japan. 2010; 118 (1378): 491-497. ( DOI )

  61. Hidetaka Kato, Taishi Yokoi, Masanobu Kamitakahara, Koichi Kikuta, Chikara Ohtsuki. Process of Organic Modification of Octacalcium Phosphates Archives of BioCeramics Research Vol. 9. 2009.12; 371-374.

  62. Taishi Yokoi, Masakazu Kawashita, Giichiro Kawachi, Koichi Kikuta and Chikara Ohtsuki. Synthesis of calcium phosphate crystals in a silica hydrogel containing phosphate ions Journal of Materials Research. 2009; 24 (6): 2154-2160. ( DOI )

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Conference Activities & Talks 【 display / non-display 】

  1. Taishi Yokoi, Tomoyo Goto, Tohru Sekino, Masakazu Kawashita. Hydroxyapatite mesocrystal formation from octacalcium phosphate with incorporated dicarboxylate ions by a topotactic reaction. 32th Symposium and Annual Meeting of the International Society for Ceramics in Medicine (Bioceramics32) 2022.09.21

  2. Taishi Yokoi. Development of octacalcium phosphate-based functional biomaterial. The 25th SANKEN International Symposium 2022.01.06 Online

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Awards & Honors 【 display / non-display 】

  • Best Poster Award 1st Place，Advanced Ceramic Matrix Composites，2017.11

  • ABC Awards，9th Asian BioCeramics Symposium (ABC2009)，2009.12

  • Best Presentation Award，10th International Conference on Ceramic Processing Science (ICCPS-10)，2008.05

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Others 【 display / non-display 】

  • Bone, heal thyself: Toward ceramics tailored for optimized bone self-repair，2022.06

  • Lighting up bone repair，2021.03

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