“…The polymerization of acrylamide in the solid state, initiated by ionizing radiation, h a s been investigated extensively by Mesrobian, Morawetz, Ballantine, Basal, Adler and coworkers (6)(7)(8)(9)(10)(11)(12)(13)(14). The dye-sensitized polymerization of acrylamide in solution induced by visible light h a s been demonstrated by Oster and coworkers (15)(16)(17)(18)(19)(20)(21). In Oster's system, a dye plus a weak reducing agent in the monomer solution was used a s the sensitizing system.…”