Overview Plasmid Prep Selection Guide RNA Isolation Selection Guide PCR/DNA Purification Guide Complete line of kits and reagents for fast and effective extraction and purification of RNA, DNA, and PCR products. Small- and large-scale solutions are available for various downstream applications. Category Products RNA Isolation Bio-Rad provides two distinct technologies for isolating total RNA. Silica membrane-based kits, available in 96-well plate and spin-column formats, and PureZOL RNA reagent ideal for scaling up isolation DNA Isolation DNA preparation is made fast and easy with Bio-Rad's plasmid and PCR-ready genomic DNA extraction products. A choice of solutions is available for a variety of starting sample types. DNA Cleanup Bio-Rad offers various kits for purifying PCR products and other DNA molecules directly from reaction mixtures and for extracting and purifying DNA fragments from agarose gels.