Lignin-incorporated PVA/chitosan hydrogels with highly enhanced toughness and rigidity through a non-covalent crosslinking strategy - Yihui Gu; Haoyu Wang; Yufeng Yuan; Chaofeng Zhang; Wenjuan Wu; Wangxia Wang; M. Mostafizur Rahman; Bo Jiang; Yongcan Jin (Chemical Engineering Journal, 2026)