Effect of impregnation with polyethylene glycols (PEGs) of different end groups on gas separation performance of cross-linked polyethylene oxide (PEO) membranes - Shanshan Ji; Teng Wang; Lu Guan; Chengyang Zhao; Shuai Quan; Xuewei Dong; Xianzhi Zhang; Fandi Meng; Zhicheng Tian (PLoS ONE, 2026)