Nature CommunicationsMXene membrane with directionally functionalized channel entrances for enhanced ion selectivity and permeabilityHang YuRongming XuJiachun RenLing YuanZheng CuiWeiming ZhangZhuyuan WangLu LvXiwang ZhangBingcai Pan2026-05-09Full textDOI https://doi.org/10.1038/s41467-026-71889-9