Figure 8. Non-reduced Coomassie Blue stained 4–20% Tris-Glycine SDS-PAGE gels of the Na-GST-1/Alhydrogel® vaccine samples 3 mo post formulation and storage at 2–8 °C. Lane 1: SeeBlue® Plus2 Pre-stained Protein Standard; lane 2: formulation supernatant fraction; lane 3: formulation pellet fraction.