Role of PFAS in gas–liquid displacement in unsaturated porous media: a pore-scale study - Mingxiu Zhan; Ninghua Zhan; Jingchi Zhang; Hongjie Jiang; Wentao Jiao; Jinqing Wang; Yongping Shan; Xu Xu; Abdolreza Kharaghani; Evangelos Tsotsas; Rui Wu (Journal of Hydrology, 2026)