BenchMark Pre-Stained Protein Ladder contains 10 proteins ranging in apparent molecular weight from 6 to 180 kDa for use in monitoring electrophoresis or transfer from gel to membrane in western blotting. The protein standard is supplied in a ready-to-use format for direct loading onto gels; no need to heat, reduce, or add sample buffer prior to use.

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Applications
• Monitoring protein migration during SDS-polyacrylamide gel electrophoresis
• Monitoring protein transfer onto membranes after western blotting
• Sizing of proteins on SDS-PAGE gels and western blots