Thermo-oxidative degradation of chitin and chitosan derived from dead bees Mukhitdin Abdurazakov, Gulnara Akhimbetova, Jamoliddin Turaev, Abdumutolib Atakhanov and Sayyora Rashidova EPJ Web Conf., 321 (2025) 02001 Published online: 10 March 2025 DOI: 10.1051/epjconf/202532102001