During 15th–20th October, 2017, Prof. Jin attended “13th IUPAC International Conference on Novel Materials and their Synthesis (NMS-XIII)”, which was held at Nanjing, China. Prof. Jin was invited to give a plenary talk titled “Two-Dimensional-Material Membranes for Molecular and Ionic Separation”. He reviewed the latest progresses on graphene oxide membranes from his group, including gas separation, dehydration of organic solvents, ion sieving and so on.