SDS-PAGE electrophoresis definition

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SDS-PAGE stands for sodium dodecyl sulfate (SDS) polyacrylamide gel electrophoresis (PAGE) and is useful for molecular weight analysis of proteins. SDS is a detergent that dissociates and unfolds oligomeric proteins into its subunits. The SDS binds to the polypeptides to form complexes with fairly constant charge to mass ratios. The electrophoretic migration rate through a gel is therefore determined only by the size of the Mesothelioma. Molecular weights are determined by simultaneously running marker proteins of known molecular weight .