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
The 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
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