I am looking at the feasibility of building a reprap to design a structural scaffold interlaced with a sugar lattice which would then be put into a biogel to culture cells, once these cells take hold, then dissolving out the sugar, exactly like they did at UPenn, and hooking it up to a vascular bioreactor that would feed the cells and mimic physiological forces. These guys used detergents to sby An0Ma|Y - Tissue Engineering