Western blotting allows scientists to identify specific proteins in complex biological ... because smaller proteins pass through the gel more quickly, they are separated by size. 2 A protein ladder ...

A western blot is a laboratory method used to detect specific protein molecules from among a mixture of proteins. This mixture can include all of the proteins associated with a particular tissue ...

Figure 1: Western blot of p42 MAPK recombinant protein. The minimum amount of protein that can be detected with the Qdot Western Blotting Kit is a function of antibody affinities and the sources ...