Kiyama Ryuji

Profile Information

Affiliation: Specially appointed assistant professor, Faculty of Advanced Life Science, Hokkaido University
: (Concurrent)Creative Research Institution

Degree: PhD(Mar, 2022, Hokkaido University)

J-GLOBAL ID: 201501089689821053
researchmap Member ID: B000246744

Research Interests

Research Areas

Nanotechnology/Materials / Polymer chemistry / polymer chemistry

Research History

Apr, 2023 - Present

Specially appointed assistant professor, Faculty of Advanced Life Science, Hokkaido University
Apr, 2022 - Mar, 2023

postdoc, Faculty of Advanced Life Science, Hokkaido University
Apr, 2016 - Mar, 2022

Doctoral student, Graduate School of Life Science, Hokkaido University
Oct, 2014 - Mar, 2022

物質科学フロンティアを開拓するAmbitiousリーダー育成プログラム
Apr, 2014 - Mar, 2016

Graduate School of Life Science, Hokkaido University
Apr, 2010 - Mar, 2014

School of Science, Biological Sciences, Hokkaido University

Awards

Feb, 2019

優秀ポスター発表賞, 帝人フォーラム
Aug, 2018

Best poster prize, 4DMS Gel symposium
Jun, 2018

Best poster prize, 82nd Prague Meeting on Macromolecules
Mar, 2017

Best poster presentation award
Dec, 2016

優秀ポスター発表賞, 第6回CSJ化学フェスタ

木山竜二
Oct, 2015

poster prize

Kiyama Ryuji
Nov, 2014

日本セラミックス協会東北北海道支部研究発表会優秀賞

木山竜二
Jul, 2014

The IUPAC World Polymer Congress 2014 (MACRO2014), Best Poster Award (First Prize), HAp Biomineralization in Tough DN Hydrogel for Cartilage Regeneration
Jun, 2014

日本セラミックス協会 2014年年会ポスター発表優秀賞

木山竜二
Feb, 2014

2014年度北海道大学理学部生物科学科（高分子機能学）卒業研究経過報告会優秀賞

木山竜二

Papers

Fractographic mirror law for brittle fracture of nonlinear elastic soft materials

Ryuji Kiyama, Yong Zheng, Takayuki Nonoyama, Jian Ping Gong

Soft Matter, 19(40) 7724-7730, Sep, 2023 Peer-reviewed
Nanoscale TEM Imaging of Hydrogel Network Architecture

Ryuji Kiyama, Masahiro Yoshida, Takayuki Nonoyama, Tomas Sedlacik, Hiroshi Jinnai, Takayuki Kurokawa, Tasuku Nakajima, Jian Ping Gong

Advanced Materials, 2208902-2208902, Nov 18, 2022 Peer-reviewed
In Situ Evaluation of the Polymer Concentration Distribution of Microphase-Separated Polyelectrolyte Hydrogels by the Microelectrode Technique

Takuya Nishimura, Honglei Guo, Ryuji Kiyama, Yoshinori Katsuyama, Jian Ping Gong, Takayuki Kurokawa

Macromolecules, 54(23) 10776-10785, Dec 14, 2021
Fast in vivo fixation of double network hydrogel to bone by monetite surface hybridization

Takayuki Nonoyama, Lei Wang, Ryuji Kiyama, Naohiro Kashimura, Kazunori Yasuda, Shinya Tanaka, Takayuki Kurokawa, Jian Ping Gong

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, 129(9) 584-589, Sep, 2021
Nanophase Separation in Immiscible Double Network Elastomers Induces Synergetic Strengthening, Toughening, and Fatigue Resistance

Yong Zheng, Ryuji Kiyama, Takahiro Matsuda, Kunpeng Cui, Xueyu Li, Wei Cui, Yunzhou Guo, Tasuku Nakajima, Takayuki Kurokawa, Jian Ping Gong

Chemistry of Materials, 33(9) 3321-3334, May 11, 2021
A surface flattening method for characterizing the surface stress, drained Poisson’s ratio and diffusivity of poroelastic gels

Zezhou Liu, Chung-Yuen Hui, Anand Jagota, Jian Ping Gong, Ryuji Kiyama

Soft Matter, 2021
Isotope Microscopic Observation of Osteogenesis Process Forming Robust Bonding of Double Network Hydrogel to Bone

Takayuki Nonoyama, Lei Wang, Masumi Tsuda, Yuki Suzuki, Ryuji Kiyama, Kazunori Yasuda, Shinya Tanaka, Kousuke Nagata, Ryosuke Fujita, Naoya Sakamoto …

Advanced Healthcare Materials, 2001731-2001731, Nov 16, 2020
How surface stress transforms surface profiles and adhesion of rough elastic bodies

Chung-Yuen Hui, Zezhou Liu, Nicolas Bain, Anand Jagota, Eric R. Dufresne, Robert W. Style, Ryuji Kiyama, Jian Ping Gong

Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 476(2243) 20200477-20200477, Nov, 2020
Preparation of Tough Double- And Triple-Network Supermacroporous Hydrogels through Repeated Cryogelation

Tomáš Sedlačík, Takayuki Nonoyama, Honglei Guo, Ryuji Kiyama, Tasuku Nakajima, Yoshihiro Takeda, Takayuki Kurokawa, Jian Ping Gong

Chemistry of Materials, 32(19) 8576-8586, Oct 13, 2020
Hydrogels Toughened by Biominerals as Energy-Dissipative Sacrificial Bonds

Kazuki Fukao, Kazuki Tanaka, Ryuji Kiyama, Takayuki Nonoyama, Jian Ping Gong

Journal of Materials Chemistry B, May, 2020 Peer-reviewed
Surface charge dominated protein absorption on hydrogels.

Honglei Guo, Yuto Uehara, Takahiro Matsuda, Ryuji Kiyama, Long Li, Jamil Ahmed, Yoshinori Katsuyama, Takayuki Nonoyama, Takayuki Kurokawa

Soft matter, Jan 29, 2020 Peer-reviewed
Toughening Mechanism of Double Network Gels and New Research Trends

Ryuji Kiyama, Jian Ping Gong

Journal of Society of Rubber Science and Technology, Japan, 92(9) 352-356, Sep, 2019 Invited
Micro Patterning of Hydroxyapatite by Soft Lithography on Hydrogels for Selective Osteoconduction

Ryuji Kiyama, Takayuki Nonoyama, Susumu Wada, Shingo Semba, Nobuto Kitamura, Tasuku Nakajima, Takayuki Kurokawa, Kazunori Yasuda, Shinya Tanaka, Jian Ping Gong

Acta Biomaterialia, 81 60-69, Oct, 2018 Peer-reviewed
Anisotropic Growth of Hydroxyapatite in Stretched Double Network Hydrogel

Kazuki Fukao, Takayuki Nonoyama, Ryuji Kiyama, Kazuya Furusawa, Takayuki Kurokawa, Tasuku Nakajima, Jian Ping Gong

ACS Nano, 11(12) 12103-12110, Oct, 2017 Peer-reviewed
Hydroxyapatite-coated double network hydrogel directly bondable to the bone: Biological and biomechanical evaluations of the bonding property in an osteochondral defect

Susumu Wada, Nobuto Kitamura, Takayuki Nonoyama, Ryuji Kiyama, Takayuki Kurokawa, Jian Ping Gong, Kazunori Yasuda

ACTA BIOMATERIALIA, 44 125-134, Oct, 2016 Peer-reviewed
ハイドロキシアパタイト複合化PAMPS/PDMAAmダブルネットワークゲル人工軟骨の関節内におけるin vivo骨接着性評価

和田進, 北村信人, 野々山貴行, 木山竜二, 仙葉愼吾, 小野寺純, 横田正司, 後藤佳子, 比嘉浩太郎, 黒川孝幸 …

日本整形外科学会雑誌, 90(8) S1598-S1598, Aug, 2016
Double-Network Hydrogels Strongly Bondable to Bones by Spontaneous Osteogenesis Penetration

Takayuki Nonoyama, Susumu Wada, Ryuji Kiyama, Nobuto Kitamura, Md. Tariful Islam Mredha, Xi Zhang, Takayuki Kurokawa, Tasuku Nakajima, Yasuaki Takagi, Kazunori Yasuda …

ADVANCED MATERIALS, 28(31) 6740-+, Aug, 2016 Peer-reviewed
バイオミネラリゼーションにより複合化したハイドロキシアパタイトコーティングPAMPS/PDMAAmダブルネットワークゲルの骨接着性の評価

和田進, 北村信人, 野々山貴行, 木山竜二, 仙葉愼吾, 比嘉浩太郎, 黒川孝幸, Gong Jian Ping, 安田和則

日本整形外科学会雑誌, 89(8) S1585-S1585, Sep, 2015

Misc.

Tough gel - Calcium Phosphate Composite for Artificial Cartilage and Bonding to Bone

Bulletin of the Ceramics Society of Japan, 55(3) 166-170, Mar, 2020
傾斜構造による骨と直接結合する高靱性ハイドロゲル

野々山貴行, 和田進, 木山竜二, 北村信人, 北村信人, 安田和則, きょう剣萍, きょう剣萍

日本バイオマテリアル学会シンポジウム予稿集, 2016 230-230, Nov 21, 2016
軟骨再生ハイドロゲルと骨組織の接着を目指した高靱性DNゲル表面におけるHApのバイオミネラリゼーション

木山竜二, 野々山貴行, 黒川孝幸, 中島祐, GONG Jian Ping

日本セラミックス協会年会講演予稿集(CD-ROM), 2014 ROMBUNNO.1P141, Mar 7, 2014
高強度ハイドロゲルとバイオセラミックスの融合:ソフトセラミックスの創製

野々山貴行, 木山竜二, 黒川孝幸, 中島祐, GONG Jian Ping

日本セラミックス協会年会講演予稿集(CD-ROM), 2014 ROMBUNNO.1J24, Mar 7, 2014

Presentations

エントロピー弾性ハイドロゲル網目構造のTEM観察

木山竜二, 吉田匡宏, 野々山貴行, 龔剣萍

日本顕微鏡学会第７９回学術講演会, Jun, 2023
ハイドロゲル/無機ナノ粒子複合化によるハイドロゲル網目構造可視化法の開発

木山竜二, 野々山貴行, 龔剣萍, 吉田匡宏

セラミックス協会2023年年会, Mar, 2023
Inter-microgel fracture of hydrogel

Ryuji Kiyama, Takayuki Nonoyama, Kazuki Fukao, Tsutomu Indei, Chung Yuen Hui, Jian Ping Gong

8th ILSS, Nov, 2022
Fracture mechanism of pure elastic hydrogel

木山竜二, 野々山貴行, 深尾一城, 印出井努, Chung Yuen, Hui, グン剣萍

2022年高分子討論会, Sep, 2022
高強度ハイドロゲルにおけるミラー半径と破断応力の関係

木山竜二, 野々山貴行, Daniel R. King, 龔剣萍

2021年高分子年次会（オンライン）, May, 2021
Mirror radius and fracture stress relation on DN hydrogel

Ryuji Kiyama, Takayuki Nonoyama, Daniel R King, JianPing Gong

2020年高分子年次会, May, 2020
Novel hydrogel/mineral composite material for visualizing hydrogel network

R. Kiyama, T. Nonoyama, T. Nakajima, T. Kurokawa, J.P. Gong

Gordon conference, Jan, 2020
Hydrogel templated mineralization for nano scale TEM observation of hydrogel network

R. Kiyama, T. Nonoyama, J.P. Gong

The 13th Pacific Rim, Oct, 2019
ハイドロゲル高分子網目の直接観察

木山竜二, 野々山貴行, 中島祐, 黒川孝幸, 龔剣萍

第６８回高分子討論会, Sep, 2019
ハイドロゲル網目直接観察法の開発

R. Kiyama, T. Nonoyama, T. Nakajima, T. Kurokawa, J.P. Gong

TEIJIN Forum 2019, Feb, 2019
Nano Scale TEM Observation of Hydrogel Surface

R. Kiyama, T. Nonoyama, T. Nakajima, T. Kurokawa, J.P. Gong

28th MRSJ, Dec, 2018
Direct observation of nano-scale hydrogel network

R. Kiyama, T. Nonoyama, T. Nakajima, T. Kurokawa, J.P. Gong

6th ILSS, Nov, 2018
Fractography of DN hydrogels

木山竜二, 野々山貴行, 中島祐, 黒川孝幸, グンチェンピン

ImPACT 若手会, Oct, 2018
新規高分子鎖ナノスケール直接観察法を用いたハイドロゲル表面構造解析

木山竜二, 野々山貴行, 中島祐, 黒川孝幸, 龔剣萍

2018年高分子討論会, Sep, 2018
TEM Observation of Nano-Scale Hydrogel Network Structure

R. Kiyama, T. Nonoyama, T. Nakajima, T. Kurokawa, J.P. Gong

4DMS Gel symposium, Aug, 2018
DIRECT OBSERVATION OF SINGLE POLYMER STRAND BASED ON DOUBLE NETWORK STRATEGY

R. Kiyama, T. Nonoyama, T. Nakajima, T. Kurokawa, J.P. Gong

82nd Prague Meeting on Macromolecules, Jun, 2018
無機粒子複合化によるハイドロゲル高分子鎖の新規直接観察法の開発

木山竜二, 野々山貴行, 中島祐, 黒川孝幸, 龔剣萍

セラミックス協会2018年年会, Mar, 2018
Direct observation of hydrogel nano-scale network structure

Jan, 2018
TEM observation of single polymer strand of hydrogel

R. Kiyama, T. Nonoyama, T. Nakajima, T. Kurokawa, J.P. Gong

5th international life science symposium, Nov, 2017
Direct Observation of Hydrogel Polymer Network using TEM

R. Kiyama, T. Nonoyama, T. Nakajima, T. Kurokawa, J.P. Gong

Aug, 2017

Profile Information

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Research History

Awards

Papers

Misc.

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