Fig. 8From: Recombinant expression of Barnase in Escherichia coli and its application in plasmid purificationChromatograms from a plasmid purification process without addition of RNases (A), addition of bovine RNase (B) or addition of RNase PF (C) to the cleared alkaline lysate feed. The eluates at 60 % elution buffer in the case of B and C are sharp peaks corresponding to pure plasmids as seen in Fig. 7Back to article page