188.8.131.52. Clean up peptides
- From the final step in paragraph 184.108.40.206. ‘Label peptides with stable isotopes’, combine the two (for duplex labelling) or three (for triplex labelling) into a single tube.
- Repeat all steps from paragraph 220.127.116.11. ‘Clean up peptides’ above, eluting the peptides in step 5 into a 96-well microwell plate.