Here is a mesh that reportedly works well in a replication of Mizuno's experiment. The Pd is laid down with plasma processing, and it is very consistent across the entire mesh. See:
https://www.youtube.com/watch?v=C5D9Au1cAu0 The analysis of two samples of mesh (untreated and treated) provided by Tomáš Jędrzejek AKA me356 are discussed. Download the SEM/EDS images and analysis here https://drive.google.com/file/d/1636ro7dK3iLCa_Fuhrz8EBbPe2ubzstP/view The experiment is underway now. It is being live streamed: https://www.youtube.com/watch?v=gVc_5z3v-nw