Oral Janus nanomotor covalent conjugation rapeseed protein-derived DPP-IV inhibitory peptide and liraglutide: A self-propelled targeted delivery system for promoting insulin secretion and glucose-lowering - Huimin Dong; Haiyan He; Huizhen Xing; Chengzhi Guo; Zhigao Wang; Rong He (Food Research International, 2026)