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 Journal of the Taiwan Institute of Chemical Engineers.

• Feri Mukhayani, Nuryono Nuryono, Eko S. Kunarti, Yuichi Kamiya, Ryoichi Otomo, Philip Anggo Krisbiantoro, Kevin C.-W. Wu. Chitosan-coated natural magnetic particles modified with bis(2-hydroxyethyl)dimethylammonium chloride as a highly active solid base catalyst for esterification of levulinic acid. Journal of the Taiwan Institute of Chemical Engineers, Volume 180, 2026, 106512, ISSN 1876-1070
  DOI: https://doi.org/10.1016/j.jtice.2025.106512