Denaturated samples (50% Formamide, 95°C for 3 minutes, then chilled on ice) run on a denaturating gel (7M Urea, 50°C) showing the exact mol-weight with a excellent spreading below 150 bases.
DryGel Elpho 15% with a special buffer system
EDCElectrophoresis Development & Consulting, Vor dem Kreuzberg 17, 72070 Tübingen (Germany)