What is the composition of buffer QN?

The composition of Buffer QN is:

• 1.6 M NaCl
• 50 mM MOPS, pH 7.0
• 15 % isopropanol (v/v)

Buffer QN is the elution buffer used in EndoFree Plasmid Kits for preparation of endotoxin-free plasmid DNA. Details on buffer preparation and storage are presented in Appendix C of the EndoFree Plasmid Purification Handbook.