My lab has been using AffiPro columns for HDX-MS since they became available.The AffiPro column portfolio has provided us with a wide range of different protease options with outstanding reproducibility, as well as reliable, long-term performance.
John R. Engen, Ph.D.
Distinguished Professor and James L. Waters Chair in Analytical Chemistry
Dept. of Chemistry & Chemical Biology
Northeastern University
https://neu.hxms.com/