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Updated: May 11, 2026

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Published on: April 14, 2015
High-resolution MS for structural characterization of protein therapeutics: advances and future directions
Hui Wei1, Adrienne A Tymiak, Guodong Chen
1Bioanalytical & Discovery Analytical Sciences, Research & Development, Bristol-Myers Squibb Company, Princeton, NJ, USA.
Abstract:
High-resolution MS (HRMS) is a central analytical technique for the study of biomolecules and is widely used in the biopharmaceutical industry. This paper reviews recent advances in commonly used HRMS instrumentation and experimental strategies for HRMS-based structural characterization of protein therapeutics. An overview of protein higher order structural characterization using HRMS-based technologies is presented, including the use of hydrogen/deuterium exchange and hydroxyl radical footprinting methods for probing protein conformational dynamics and interactions in solution. Future directions in application of HRMS for characterizing protein therapeutics are also described.
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