Effect of N,N′-methylenebisacrylamide on properties of porous semi-IPN hydrogels from acrylamide, maleic acid, and its use for urea absorption. - Tuan, Huynh Nguyen Anh; Phan, Bui Thi Cam; Duy, Nguyen Khanh; Chau, Le Ngoc; Hoa, Huynh; Vinh, Luong Chi; Phuc, Le Nguyen Minh (Canadian Journal of Chemistry, 2025)