NFCC chemist details LC‑MS proteomics used to identify counterfeit, contaminated biotherapeutics Dr. David Skelton of the FDA National Forensic Chemistry Center described LC‑MS proteomic methods and presented case studies showing identification of semaglutide in an unknown powder, collagen contamination in a suspect product, and a valine→threonine substitution affecting ~40% of a suspect biotherapeutic (date not specified in transcript).

Discover how cutting-edge LC-MS techniques are uncovering counterfeit biotherapeutics and revealing hidden dangers in the world of medicine.

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