An inhibitor-free cf-DNA/ct-DNA/cf-RNA can be purified and concentrated in a very small elution volume by using these tubes in conjunction with Norgen's Plasma/Serum Cell-Free Circulating DNA ...

The Plasma/Serum Circulating and Exosomal RNA Purification ... advantage over other kits because it does not require extension tubes to purify free-circulating and exosomal RNA from large sample ...