Takayasu Kawasaki, Heishun Zen, Kyoko Nogami, Ken Hayakawa, Takeshi Sakai, Yasushi Hayakawa. Direct Analysis of Solid-Phase Carbohydrate Polymers by Infrared Multiphoton Dissociation Reaction Combined with Synchrotron Radiation Infrared Microscopy and Electrospray Ionization Mass Spectrometry. Polymers. 2025. 17. 2273
Takayasu Kawasaki, Heishun Zen, Kyoko Nogami, Ken Hayakawa, Takeshi Sakai, Yasushi Hayakawa. Structural Analysis of Carbohydrate Polymers by Using Infrared Free Electron Laser. 2025
Takayasu Kawasaki, Atsushi Nagase, Ken Hayakawa, Fumitsuna Teshima, Kiyohisa Tanaka, Heishun Zen, Fumio Shishikura, Norihiro Sei, Takeshi Sakai, Yasushi Hayakawa. Infrared Free-Electron Laser: A Versatile Molecular Cutter for Analyzing Solid-State Biomacromolecules. ACS Omega. 2025
Takayasu Kawasaki · Atsushi Nagase · Ken Hayakawa · Fumitsuna Teshima · Kiyohisa Tanaka · Heishun Zen · Akinori Irizawa · Takeshi Sakai · Yasushi Hayakawa. Investigating structural property of human hair by using infrared free electron lasers. Discover Applied Sciences. 2024. 6. 397
Masakazu Umezawa, Ryodai Itano, Naoya Sakaguchi, Takayasu Kawasaki. Infrared spectroscopy analysis determining secondary structure change in albumin by cerium oxide nanoparticles. Frontiers in Toxicology. 2023. 5. 1237819