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The Broad Range Protein Molecular Weight Markers consist of nine clearly identifiable bands at convenient molecular weights. The protein sizes are 10, 15, 25, 35, 50, 75, 100, 150 and 225kDa. Each protein is present at a concentration of 0.1ug/ul, except for the 50kDa protein, which is present at 0.3ug/ul and serves as a reference indicator, having triple the intensity of the other proteins. All other proteins appear with equal intensity on the gel. These markers are intended for use as a size standard when performing SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gel electrophoresis) for estimation of the molecular weight of the protein of interest. Note that they are not stained.
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