So I got the idea of trying some jello shot electrophoresis for Science Hack Day this year. We won the judge's prize last year with a drinkable DNA extraction protocol, and this is my very transparent attempt at bribing the judges with booze (and a little science) again this year...
Turns out you can get some really nice results with food colors on a gel. And of course regular agarose or agar gel is edible. Problem is that damn Tris-borate EDTA buffer... First thing I thought of was to just replace the buffer with table salt, but that would likely just give you a lot of electrolysis, and Chlorine!
So... any idea what kinds of salts might be worth trying? Needs to be edible (of course), produce a well conducting solution, and not prone to producing toxic compounds by electrolysis.
I'm not looking for anything laboratory quality, mind you. Just looking for something that will allow me to electrophorese some bands of food coloring into a slab of agar, while still staying edible...
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