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Johanna Barnhill

Articles by Johanna Barnhill

inSPECt™ MS – Global HCP Profiling and Quantification by Native Digestion and LC-MS Analysis

ByTimothy Licknack,Johanna Barnhill,Stephen Stahlschmidt,Jared Isaac,Brinkley Thornton

April 15th 2026

Antibody Affinity Extraction Outperforms Native Digestion as a Sample Preparation Method for LC-MS Detection of Host Cell Proteins in Drug Substances

ByAlla Zilberman, Vice President, Technical Marketing, Cygnus Technologies, LLC ,Darren Bertin,Stephen Stahlschmidt,Johanna Barnhill,Timothy Licknack,Jared Isaac

May 20th 2024

Latest Updated Articles

inSPECt™ MS – Global HCP Profiling and Quantification by Native Digestion and LC-MS Analysis
April 15th 2026

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