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.


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