Bio-Rad PROTEAN® Plus Hinged Spacer Plates and Combs - Manual (Page 11)

Fig. 7.3. Concave gradient gel.
Fig. 7.4. Convex gradient—relation of light and heavy solutions in the mixing and reservoir cham-
bers. Intensity of shading in the slab gel sandwich indicates change in pore size.
9
% Acrylamide 20
15
10
Amount delivered (%)
25 50 75 100
% Acrylamide
20
15
10
25 50 75 100
Amount delivered (%)