Diversity, quality, and convenience have earned Sigma’s protein molecular weight markers a reputation for excellence. Protein molecular weight markers are used to calculate sample molecular weights, to monitor the progress of an electrophoretic run, or as a positive control for analysis conditions. Sigma offers a wide selection of markers for numerous protein electrophoresis applications, including silver staining, isoelectric focusing, fluorescent studies, and many more. All have been use-tested to assure outstanding performance and are available in convenient package sizes.
Product # 