Lonza SimplyLoad DNA Ladders are ready-to-load directly on your gel to maximize your time. SimplyLoad DNA Ladders are supplied at ready-to-load concentrations in TE Buffer and 1X Ficoll® sample loading buffer containing Bromophenol blue and Xylene cyanol FF so you can get straight to your results. For all of Lonza’s ladders, each band has an ideal 50% G-C content for rapid, precise sizing and sharp resolution. Free from contaminating plasmid DNA so they have minimal background, giving you the perfect gel the first time, every time.