YAZAWA Kenjiro
Academic Assembly School of Science and Technology Institute of Textile Science and Technology
Faculty of Textile Science and Technology Division of Applied Biology
Associate Professor
Researcher Information
Research Keyword
- Protein-based fiber, Nucleotide-based fiber, Silkworm silk, Spider silk
TEL
- +81-268-21-5353
Mail Address
- kenjiro_yazawa★shinshu-u.ac.jp
Career
Research activity information
Award
Paper
- Electrospinning of nucleotide-based nanofibers comprising ion complex of cationic lipid and biomass DNA derived from salmon milt
Kenjiro Yazawa and Saeka Mizukami
Polymers for Advanced Technologies, 36(5), e70193, May 2025
- Evaluating bio-physicochemical properties of raw powder prepared from whole larvae containing liquid silk of the domestic silkworm
Shusuke Hashimoto, Maki Yamazaki, Hiroshi Uehara, Shinya Yamazaki, Masakazu Kobayashi, Takeshi Yokoyama, Kenjiro Yazawa and Kunihiro Shiomi
Frontiers in Nutrition, section Food Chemistry, 11, May 2024 - Dragline silk fibers from golden orb-web spider Trichonephila clavata ensure structural and mechanical robustness against ultraviolet radiation
Yuushiro Ueda and Kenjiro Yazawa
Polymers for Advanced Technologies, 35(4), e6410, Apr. 2024 - Nucleotide-based regenerated fiber production using salmon (Oncorhynchus keta) milt waste by solution spinning
Takafumi Kamijo and Kenjiro Yazawa
International Journal of Biological Macromolecules, 258(1), 128866, Feb. 2024 - Dry spinning of nucleotide-based fibers comprising the ion complex between biomass DNA and cationic lipid
Kenjiro Yazawa and Takafumi Kamijo
ACS Sustainable Chemistry & Engineering, 11(49), 17532-17542, Dec. 2023 - Spider dragline silk fibres maintain rectangular columnar liquid crystalline phase
Kenjiro Yazawa and Kazuchika Ohta
Liquid Crystals, 50(13-14), 2166-2175, Jul. 2023 - Wild silkworm cocoon waste conversion into tough regenerated silk fibers by solution spinning
Kenjiro Yazawa, Shunsuke Iwata, Yasuo Gotoh
Biomacromolecules, 24(4), 1700-1708, Mar. 2023 - Silkworm cocoon waste revitalization: regenerated fibers using higher-molecular-weight fibroin achieve high strength and toughness
Kenjiro Yazawa, Kento Nakayama, Yasuo Gotoh
ACS Sustainable Chemistry & Engineering, 11(6), 2151-2159, Feb. 2023 - 1000 spider silkomes: linking sequences to silk physical properties
Kazuharu Arakawa, Nobuaki Kono, Ali D. Malay, Ayaka Tateishi, Nao Ifuku, Hiroyasu Masunaga, Ryota Sato, Kousuke Tsuchiya, Rintaro Ohtoshi, Daniel Pedrazzoli, Asaka Shinohara, Yusuke Ito, Hiroyuki Nakamura, Akio Tanikawa, Yuya Suzuki, Takeaki Ichikawa, Shohei Fujita, Masayuki Fujiwara, Masaru Tomita, Sean J. Blamires, Jo-Ann Chuah, Hamish Craig, Choon Pin Foong, Gabriele Greco, Juan Guan, Chris Holland, David L. Kaplan, Kumar Sudesh, Biman B. Mandal, Y. Norma-Rashid, Alia Nur Oktaviani, Rucsanda C. Preda, Nicola M. Pugno, Rangam Rajkhowa, Xiaoqin Wang, Kenjiro Yazawa, Zhaozhu Zheng, Keiji Numata
Science Advances, 8(41), eabo6043, Oct. 2022 - Cell adhesion behaviors on spider silk fibers, films, and nanofibers
Kenjiro Yazawa, Kosuke Hidaka, Jun Negishi
Langmuir, 38(25), 7766-7774, Jun. 2022 - Electrospinning of spider silk-based nanofibers
Kenjiro Yazawa, Saeka Mizukami, Masaaki Aoki, Yasushi Tamada
Polymers for Advanced Technologies, 33(9), 2637-2644, May 2022 - Eri silkworm spins mechanically robust silk fibers regardless of reeling speed
Kenjiro Yazawa, Yuka Tatebayashi, and Zenta Kajiura
Journal of Experimental Biology, 225(3), jeb243458, Feb. 2022 - Forcibly spun dragline silk fibers from web-building spider Trichonephila clavata ensure robustness irrespective of spinning speed and humidity
Kenjiro Yazawa and Umi Sasaki
International Journal of Biological Macromolecules, 168, 550-557, Jan. 2021 - Pressure- and humidity-induced structural transition of silk fibroin
Kenjiro Yazawa and Kosuke Hidaka
Polymer, 211, 123082, Oct. 2020 - Simultaneous effect of strain rate and humidity on the structure and mechanical behavior of spider silk
Kenjiro Yazawa, Ali Malay, Hiroyasu Masunaga, Yusoff Norma-Rashid, and Keiji Numata
Communications Materials, 1, 10, Mar. 2020 - Entropy-driven mechanisms between disulfide-bond formation protein A (DsbA) and B (DsbB) in Escherichia coli
Kenjiro Yazawa and Hiroyuki Furusawa
ACS Omega, 4(5), 8341-8349, May 2019 - Molecular interactions and toughening mechanisms in silk fibroin-epoxy resin blend films
Kang Yang, Kenjiro Yazawa, Kosuke Tsuchiya, Keiji Numata, and Juan Guan
Biomacromolecules, 20(6), 2295-2304, May 2019 - Role of skin layers on mechanical properties and supercontraction of spider dragline silk fiber
Kenjiro Yazawa, Ali D. Malay, Hiroyasu Masunaga, and Keiji Numata
Macromolecular Bioscience, 18(9), 1800220, Sep. 2018 - Two birds with one stone: Spontaneous size separation and growth inhibition of femtosecond laser-generated surfactant-free metallic nanoparticles via ex situ SU-8 functionalization.
Dongshi Zhang, Wonsuk Choi, Kenjiro Yazawa, Keiji Numata, Ayaka Tateishi, Sung-Hak Cho, Hsiu-Pen Lin, Yaw Kuen Li, Yoshihiro Ito, Koji Sugioka
ACS Omega, 3(9), 10953-10966, Sep. 2018 - Combination of amorphous silk fiber spinning and postspinning crystallization for tough regenerated silk fibers
Kenjiro Yazawa, Ali D. Malay, Nao Ifuku, Takaoki Ishii, Hiroyasu Masunaga, and Keiji Numata
Biomacromolecules, 19(6), 2227-2237, Apr. 2018 - Morphological and mechanical properties of flexible resilin joints on damselfly wings (Rhinocypha spp.)
Mamat-Noorhidayah, Kenjiro Yazawa, Keiji Numata, and Y. Norma-Rashid
PLOS ONE, 13(3), e0193147, Mar. 2018 - Probing multiple binding modes of DNA hybridization: A comparison between single-molecule observations and ensemble measurements
Kenjiro Yazawa and Hiroyuki Furusawa
ACS Omega, 3(2), 2084-2092, Feb. 2018 - Chemoenzymatic synthesis of a peptide containing nylon monomer units for thermally processable peptide material application
Kenjiro Yazawa, Joan Gimenez-Dejoz, Hiroyasu Masunaga, Takaaki Hikima, and Keiji Numata
Polymer Chemistry, 8(29), 4172-4176, May 2017 - Relationships between physical properties and sequence in silkworm silks
Ali D. Malay, Ryota Sato, Kenjiro Yazawa, Hiroe Watanabe, Nao Ifuku, Hiroyasu Masunaga, Takaaki Hikima, Juan Guan, Biman B. Mandal, Siriporn Damrongsakkul, and Keiji Numata
Scientific Reports, 6, 27573-27584, Jun. 2016 - Papain-catalyzed synthesis of polyglutamate containing a nylon monomer unit
Kenjiro Yazawa and Keiji Numata
Polymers, 8(5), 194-206, May 2016 - Derivatization of proteinase K with heavy atoms enhances its thermal stability
Kenjiro Yazawa, Michihiro Sugahara, Katsuhide Yutani, Michiyo Takehira, and Keiji Numata
ACS Catalysis, 6(5), 3036-3046, Apr. 2016 - Influence of water content on the β-sheet formation, thermal stability, water removal, and mechanical properties of silk materials
Kenjiro Yazawa, Kana Ishida, Hiroyasu Masunaga, Takaaki Hikima, Keiji Numata
Biomacromolecules, 17(3), 1057-1066, Feb. 2016 - Crystal structure and physical properties of Antheraea yamamai silk fibers: long poly(alanine) sequences are partially in the crystalline region
Keiji Numata, Ryota Sato, Kenjiro Yazawa, Takaaki Hikima, and Hiroyasu Masunaga
Polymer, 77, 87-94, Dec. 2015 - The benzyl ester group of amino acid monomers broadens the substrate specificity and enhance the affinity of papain in chemo-enzymatic copolymerization
Jose M. Ageitos, Kenjiro Yazawa, Ayaka Tateishi, Kousuke Tsuchiya, Keiji Numata
Biomacromolecules, 17(1), 314-323, Nov. 2015 - Recent advances in chemoenzymatic peptide syntheses
Kenjiro Yazawa and Keiji Numata
Molecules, 19(9), 13755-13774, Sep. 2014 - Real-time monitoring of intermediates reveals the reaction pathway in the thiol-disulfide exchange between disulfide bond formation protein A (DsbA) and B (DsbB) on a membrane-immobilized quartz-crystal microbalance (QCM) System
Kenjiro Yazawa, Hiroyuki Furusawa, and Yoshio Okahata
Journal of Biological Chemistry, 288(50), 35969-35981, Dec. 2013 - Mechanism of thiol–disulfide exchange reactions between DsbA and DsbB over a wide pH range
Kenjiro Yazawa, Hiroyuki Furusawa, and Yoshio Okahata
Chemistry Letters, 42(3), 241-243, Feb. 2013 - Spectrophotometric quantification of lactose in solution with a peroxidase-based enzymatic cascade reaction system
Sara Fornera, Kenjiro Yazawa, and Peter Walde
Analytical and Bioanalytical Chemistry, 401, 2307-2310, Aug. 2011
Courses
- 卒業研究
Shinshu University - 論文購読・プレゼンテーション演習
Shinshu University - 応用生物科学実験III
Shinshu University - 繊維状蛋白質特論
Shinshu University - バイオファイバー科学
Shinshu University - 繊維高分子化学
Shinshu University - タンパク質工学
Shinshu University - 応用生物科学科 新入生ゼミナール
Shinshu University - バイオファイバー概論
Shinshu University - 科学英語演習
Shinshu University - 生物科学基礎実験
Shinshu University - 応用生物科学科 新入生ゼミナール
Shinshu University - 生物繊維資源学
Shinshu University - 応用生物科学ゼミナール
Shinshu University - 生体高分子機能科学特論
Shinshu University
Research Themes
- 未利用水産資源のサケ白子を利用した機能性DNA繊維の開発
カシオ科学振興財団研究助成 研究代表者
2024 - 2025 - カイコシルクH鎖を用いたタンパク質性ハイドロゲルの高強度化
貞明皇后蚕糸記念科学技術研究助成 研究代表者
2024 - 未利用絹に含まれるフィブロインH鎖を用いた高強度な再生絹糸の創製
科学研究費補助金 研究代表者, 基盤研究(C)
2021 - 2024 - 融点を有する人工クモ糸シルクの創成
ホクト生物科学振興財団研究奨励金 研究代表者
2020 - 2022 - 熱成形可能な人工クモ糸シルクの合成
科学研究費補助金 研究代表者, 若手研究
2018 - 2021 - ＤＮＡ修復酵素による傷害部位の効率的な認識機構の解明
科学研究費補助金 研究代表者, 若手研究(B)
2014 - 2016
