SmartCheck ladders are available in 3 size ranges - 50bp, 100bp and 1kb - to cover most common applications. Ready-to-use formulation includes loading buffer and tracking dye 500µL suitable for 100 lanes (5µL per lane) Higher intensity reference bands Ultra pure production allows economical ambient shipping Shipping and Storage: SmartCheck DNA Ladders are shipped at ambient temperature. On arrival, store at -20°C for optimum stability and long-term storage up to 15 months. Production: SmartCheck ladders are produced from proprietary plasmids, digested to completion. A multistep chromatography method is used to ensure purity and DNA quality. Quality Control: Each lot of SmartCheck DNA Ladders is tested with a spectrophotometer to confirm DNA concentration, as well as agarose electrophoresis to confirm band sharpness. SmartCheck 50bp DNA Ladder, 5 x 500µL / 500 lanes This listing is for Each