%J Reaction Chemistry & Engineering %L discovery10196944 %I Royal Society of Chemistry (RSC) %O This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. %X An ultra-high vacuum setup was conceived to study Knudsen diffusion in channels with varied geometrical characteristics that can be modified using 3D printing. This new experimental methodology aids to gain insight into diffusion in nanoporous media. %T A novel ultra-high vacuum diffusion setup to study Knudsen diffusion %A Maria Mourkou %A Haiyue Yu %A Sander Baltussen %A Nicholas Snead %A Nidhi Kapil %A Marc-Olivier Coppens %D 2024