Confined in-situ photopolymerization of an ultra-thin zwitterionic hydrogel skin on polysulfone membrane assisted by PEI for robust and enhanced emulsion separation - Xiaofeng Peng; Junni Xie; Dongsheng Wang; Mehak Azam; Ai He; Juexin Liu; Qimeng Ran; Xingbao Yang; Libo Hao; Xiaobo Liu; Yin Tang; Kun Jia (Water Research, 2026)