Signatures of normal and anomalous diffusion in nanotube systems by NMR

► Pulsed field gradient NMR was used to study diffusion of gaseous sorbates in nanotubes. ► Experimental data are compared with the results of MD simulations. ► Normal diffusion was observed for tetrafluoromethane in aluminosilicate nanotubes. ► Signatures of single-file diffusion were observed for xenon in AV nanotubes.