YAZAWA, Kenjiro | Shinshu University Researcher Directory

Academic Organization	Academic Assembly　School of Science and Technology　Institute of Textile Science and Technology	TEL	+81-268-21-5353
Education and Research Organization	Faculty of Textile Science and Technology　Division of Applied Biology	FAX
Position	Associate Professor	Mail Address	kenjiro_yazawa＠shinshu-u.ac.jp
Address	3-15-1, Tokida, Ueda City 386-8567	Web site

Profile

Assigned Class: Interdisciplinary Cluster for Cutting Edge Research　Institute for Fiber Engineering

Research Field: Bio-related chemistry
Keywords:Silkworm silk , Spider silk

Current Subject: Mechanism of silk spinning system in vivo
Keywords:Silk , Spinning , Spider , Silkworm
Synthesis of artificial silk
Keywords:Artificial ｓilk , Enzymatic synthesis , Polyalanine

Academic Societies: Academic Societies
日本シルク学会
繊維学会
日本野蚕学会
日本蚕糸学会

Academic Background: Graduate School
東京工業大学 , 2013

College
東京工業大学 , 2008

Degree
博士（工学） , 東京工業大学

Awards: 2012 , International Symposium on Advanced Biological Engineering Best Poster Award
2012 , 東京工業大学GCOE成果発表会, 最優秀研究科長賞
2010 , 日本化学会, 春季年会, 学生講演賞

Research Career: Research Career
2023- , 信州大学繊維学部准教授
2018-2023 , 信州大学繊維学部テニュア・トラック助教
2014-2018 , 理化学研究所特別研究員
2013-2014 , 山形大学大学院理工学研究科プロジェクト研究員
2013-2013 , 山形大学大学院理工学研究科研究支援者

Research

Books, Articles, etc.: Articles
Wild silkworm cocoon waste conversion into tough regenerated silk fibers by solution spinning
Biomacromolecules,24(4):1700-1708 2023(Mar.)
Author:Kenjiro Yazawa, Shunsuke Iwata, Yasuo Gotoh

Silkworm cocoon waste revitalization: regenerated fibers using higher-molecular-weight fibroin achieve high strength and toughness
ACS Sustainable Chemistry & Engineering,11(6):2151-2159 2023(Feb.)
Author:Kenjiro Yazawa, Kento Nakayama, Yasuo Gotoh

1000 spider silkomes: linking sequences to silk physical properties
Science Advances,8(41):eabo6043 2022(Oct.)
Author: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

Cell adhesion behaviors on spider silk fibers, films, and nanofibers
Langmuir,38(25):7766-7774 2022(Jun.)
Author:Kenjiro Yazawa, Kosuke Hidaka, Jun Negishi

Electrospinning of spider silk-based nanofibers
Polymers for Advanced Technologies,33(9):2637-2644 2022(May)
Author:Kenjiro Yazawa, Saeka Mizukami, Masaaki Aoki, Yasushi Tamada

Eri silkworm spins mechanically robust silk fibers regardless of reeling speed
Journal of Experimental Biology,225(3):jeb243458 2022(Feb.)
Author:Kenjiro Yazawa, Yuka Tatebayashi, and Zenta Kajiura

Forcibly spun dragline silk fibers from web-building spider Trichonephila clavata ensure robustness irrespective of spinning speed and humidity
International Journal of Biological Macromolecules,168:550-557 2021(Jan.)
Author:Kenjiro Yazawa and Umi Sasaki

Pressure- and humidity-induced structural transition of silk fibroin
Polymer,211:123082 2020(Oct.)
Author:Kenjiro Yazawa and Kosuke Hidaka

Simultaneous effect of strain rate and humidity on the structure and mechanical behavior of spider silk
Communications Materials,1:10 2020(Mar.)
Author:Kenjiro Yazawa, Ali Malay, Hiroyasu Masunaga, Yusoff Norma-Rashid, and Keiji Numata

Molecular interactions and toughening mechanisms in silk fibroin-epoxy resin blend films
Biomacromolecules,20(6):2295-2304 2019(May)
Author:Kang Yang, Kenjiro Yazawa, Kosuke Tsuchiya, Keiji Numata, and Juan Guan

Entropy-driven mechanisms between disulfide-bond formation protein A (DsbA) and B (DsbB) in Escherichia coli
ACS Omega,4(5):8341-8349 2019(May)
Author:Kenjiro Yazawa and Hiroyuki Furusawa

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.
ACS Omega,3(9):10953-10966 2018(Sep.)
Author:Dongshi Zhang, Wonsuk Choi, Kenjiro Yazawa, Keiji Numata, Ayaka Tateishi, Sung-Hak Cho, Hsiu-Pen Lin, Yaw Kuen Li, Yoshihiro Ito, Koji Sugioka

Role of skin layers on mechanical properties and supercontraction of spider dragline silk fiber
Macromolecular Bioscience,18(9):1800220 2018(Sep.)
Author:Kenjiro Yazawa, Ali D. Malay, Hiroyasu Masunaga, and Keiji Numata

Combination of amorphous silk fiber spinning and postspinning crystallization for tough regenerated silk fibers
Biomacromolecules,19(6):2227-2237 2018(Apr.)
Author:Kenjiro Yazawa, Ali D. Malay, Nao Ifuku, Takaoki Ishii, Hiroyasu Masunaga, and Keiji Numata

Morphological and mechanical properties of flexible resilin joints on damselfly wings (Rhinocypha spp.)
Plos One,13(3):e0193147 2018(Mar.)
Author:Mamat-Noorhidayah, Kenjiro Yazawa, Keiji Numata, and Y. Norma-Rashid

Probing multiple binding modes of DNA hybridization: A comparison between single-molecule observations and ensemble measurements
ACS Omega,3(2):2084-2092 2018(Feb.)
Author:Kenjiro Yazawa and Hiroyuki Furusawa

Chemoenzymatic synthesis of a peptide containing nylon monomer units for thermally processable peptide material application
Polymer Chemistry,8(29):4172-4176 2017(May)
Author:Kenjiro Yazawa, Joan Gimenez-Dejoz, Hiroyasu Masunaga, Takaaki Hikima, and Keiji Numata

Relationships between physical properties and sequence in silkworm silks
Scientific Reports,6:27573-27584 2016(Jun.)
Author: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

Papain-catalyzed synthesis of polyglutamate containing a nylon monomer unit
Polymers,8(5):194-206 2016(May)
Author:Kenjiro Yazawa and Keiji Numata

Derivatization of proteinase K with heavy atoms enhances its thermal stability
ACS Catalysis,6(5):3036-3046 2016(Apr.)
Author:Kenjiro Yazawa, Michihiro Sugahara, Katsuhide Yutani, Michiyo Takehira, and Keiji Numata

Influence of water content on the β-sheet formation, thermal stability, water removal, and mechanical properties of silk materials
Biomacromolecules,17(3):1057-1066 2016(Feb.)
Author:Kenjiro Yazawa, Kana Ishida, Hiroyasu Masunaga, Takaaki Hikima, Keiji Numata

Crystal structure and physical properties of Antheraea yamamai silk fibers: long poly(alanine) sequences are partially in the crystalline region
Polymer,77:87-94 2015(Dec.)
Author:Keiji Numata, Ryota Sato, Kenjiro Yazawa, Takaaki Hikima, and Hiroyasu Masunaga

Benzyl ester group of amino acid monomers broadens the substrate specificity and enhance the affinity of papain in chemo-enzymatic copolymerization
Biomacromolecules,17(1):314-323 2015(Nov.)
Author:Jose M. Ageitos, Kenjiro Yazawa, Ayaka Tateishi, Kousuke Tsuchiya, Keiji Numata

Recent advances in chemoenzymatic peptide syntheses
Molecules,19(9):13755-13774 2014(Sep.)
Author:Kenjiro Yazawa and Keiji Numata

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
Journal of Biological Chemistr,288(50):35969-35981 2013(Dec.)
Author:Kenjiro Yazawa, Hiroyuki Furusawa, and Yoshio Okahata

Mechanism of thiol–disulfide exchange reactions between DsbA and DsbB over a wide pH range
Chemistry Letters,42(3):241-243 2013(Feb.)
Author:Kenjiro Yazawa, Hiroyuki Furusawa, and Yoshio Okahata

Spectrophotometric quantification of lactose in solution with a peroxidase-based enzymatic cascade reaction system
Analytical and Bioanalytical Chemistry,401:2307-2310 2011(Aug.)
Author:Sara Fornera, Kenjiro Yazawa, and Peter Walde

Research Grants: Grants‐in‐aid for Scientific Research(Research Representative)
2021 - 2023 , 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 , 基盤研究(C)
2018 - 2020 , 熱成形可能な人工クモ糸シルクの合成 , 若手研究
2014 - 2015 , ＤＮＡ修復酵素による傷害部位の効率的な認識機構の解明 , 若手研究(B)

Scholarship donation
2020 , ホクト生物科学振興財団研究奨励金融点を有する人工クモ糸シルクの創成

Education

Lectures: 2022 , バイオファイバー科学
2022 , 繊維高分子化学
2022 , タンパク質工学
2022 , 応用生物科学科新入生ゼミナール
2022 , バイオファイバー概論
2022 , 科学英語演習
2022 , 生物科学基礎実験
2022 , 応用生物科学ゼミナール
2022 , 応用生物科学実験III
2022 , 繊維状蛋白質特論
2022 , 卒業研究
2022 , 論文購読・プレゼンテーション演習
2022 , 生体高分子機能科学特論
2021 , バイオファイバー科学
2021 , 繊維高分子化学
2021 , タンパク質工学
2021 , 応用生物科学科新入生ゼミナール
2021 , バイオファイバー概論
2021 , 繊維状蛋白質特論
2021 , 応用生物科学実験III
2021 , 卒業研究
2021 , 論文購読・プレゼンテーション演習
2020 , バイオファイバー科学
2020 , 繊維高分子化学
2020 , タンパク質工学
2020 , 応用生物科学科新入生ゼミナール
2020 , 生物繊維資源学
2020 , 繊維状蛋白質特論
2020 , 応用生物科学実験III
2020 , 卒業研究
2020 , 論文購読・プレゼンテーション演習

Shinshu University Researcher Directory

YAZAWA Kenjiro

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YAZAWA　Kenjiro