Choose Jena Bioscience’s Log Scale DNA Ladders for size determination and concentration estimates of DNA fragments derived from PCR and restriction digests on agarose gels. Markers contain blue/orange tracking dyes for visualization of DNA migration during electrophoresis. Log Scale DNA Ladders are ready-to-use and cover the full range of 20 bp to 10 kb (10 or 15 ng each fragment).
![](https://www.jenabioscience.com/images/67ba7af28f/Log_Scale_Ladders_20bp-1kbp.jpg)