Yes, I had 0.5% bis acrylamide and 0.5% PFA. I put them in a 37c heating cabinet. I increase or reduce all the ingredients proportionately. But apparently, after I played around with it, 0.5% is just not enough for it to make a gel. The brain tissue still polymerizes, weakly, but I find 0.5% to be a bit too low. 2% PFA 2%…