Similarities between gel electrophoresis and paper chromatography?

1. Separation principle: Both techniques separate components of a mixture based on their physical and chemical properties.

2. Stationary phase: In gel electrophoresis, the stationary phase is a gel (agarose or polyacrylamide), while in paper chromatography, the stationary phase is a sheet of absorbent paper.

3. Separation of substances: The difference in rates of movement through the stationary phases separates substances in both techniques.

4. Visualization: After the separation, substances are visualized using appropriate staining or detection methods.