1Kb Plus DNA Ladder is a premixed, ready-to-load molecular weight marker containing twelve linear double-stranded DNA fragments. The DNA Ladder is suitable for use as molecular weight standards for agarose gel electrophoresis and is not recommended for use in polyacrylamide gel electrophoresis. The DNA Ladder contains 300 bp -10.0 kb DNA fragments. The 2.0 kb band (100 ng/5 μl) has doubled intensity than other bands to serve as reference band. 

Storage
at 2℃-8℃ for six months; at -18℃ or below for two years

Shipping
Dry ice (-70 ℃)