Kevin Crossley is a scientist in the Synthetic Separations group at Amgen with 23 years of pharmaceutical industry experience in purification and chromatography. He began his career with largescale natural product isolations and joined Amgen in 2008, supporting programs from FIH to commercial with chiral and achiral purifications. Since 2019, he has contributed to advancing the Discovery pipeline and purification capabilities. Kevin is a recipient of multiple green chemistry awards, holds patents, and has authored several publications.
Reversed-Phases for LC Deliberately Doped with Positive Charge: Tips and Tricks for Effective Use
May 13th 2025In this month's edition of LC Troubleshooting, Dwight Stoll and his fellow researchers discuss both the benefits (improved peak shape/loading) and challenges (excessive interaction) associated with charge-doped reversed-phase (RP) columns for both analytical and preparative separations.