The primary reason is that the prestained markers are ready to use product, thus eliminating the time researchers need to stain gels post-electrophoresis ... report_id=YA194 (*Note: The historical ...
and the whole session takes 30 minutes (or 32 when you count the two-minute "rest" period after my final set of work, during which I was gasping for air and leaving a giant sweat stain on the MH ...