MetaFluorex™ nano-porous ceramic membrane 2x10 cm strips are ideal cell growth substrates, experimental nanotemplate platform, or to build nano-structured AAO based devices. Pore size is 60 nm diameter, with local hexagonal packing (honeycomb) order and a maximum pore size variation of 10%. Filter thickness is 50 microns. Edges sealed free of micro-cracks. High purity (99.999%) alumina free of chrome and mercury.