protogelprotogel (30%) protogel (30%),protogel (30%) protogel (30%)ProtoGel (30%); National Diagnostics; 37.5:1 acrylamide to bisacrylamide stabilized soln.; Optimized for SDS-PAGE of proteins (Laemmli gels); Consistently crystal clear gels, zero fluorescence; Stabilized for long shelf life; Size: