A paper co-authored by Professor Yuichi Kamiya and Dr. Ryoichi Otomo of Hokkaido University’s Faculty of Environmental Earth Science has been published in Vacuum.

• Aldino Javier Saviola, Akhmad Syoufian, Wega Trisunaryanti, Yuichi Kamiya, Ryoichi Otomo, Riska Astin Fitria, Kharistya Rozana, Karna Wijaya. Sapindus rarak extract-mediated synthesis of zirconia nanoparticles for microwave-assisted catalytic upgrading of waste cooking oil into jet fuel–range biohydrocarbons. Vacuum, 2026, Vol. 253, 115560.
  DOI: https://doi.org/10.1016/j.vacuum.2026.115560