Assessing Monomer and High Molecular Weight
Species in Monoclonal Antibodies Using SE-HPLC
Presenters:
Derrick Zhang
Senior Scientist II,
Derrick Zhang is a senior scientist II at the United States Pharmacopeia (USP), where he leads the development of strategies and standards supporting the analytical evaluation of monoclonal antibodies (mAbs) and therapeutic proteins, with deep expertise in Host Cell Protein (HCP) analysis and LC-MS proteomics. He brings over a decade of biopharmaceutical experience spanning process development, analytical characterization, and method development across organizations including Adaptive Phage Therapeutics, United Therapeutics, and Meso Scale Diagnostics.
Shankar Sellappan, PhD
Senior Product Manager
United States Pharmacopeia (USP)
Shankar Sellappan, PhD is a senior product manager with the biologics group at USP, with more than 20 years of experience across biotechnology marketing and commercialization. His background spans life science research tools, mass spectrometry–based clinical diagnostics, and biopharmaceutical manufacturing and quality control.
A scientist by training, Shankar earned his doctoral degree in cancer biology from The University of Texas MD Anderson Cancer Center. He is passionate about demystifying complex scientific topics and translating them into clear, compelling messages that educate, engage, and help the broadest possible audience.
