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Updated: Oct 21, 2025

Isolation and Characterization Of Chimeric Human Fc-expressing Proteins Using Protein A Membrane Adsorbers And A Streamlined Workflow
Published on: January 8, 2014
Purification of Therapeutic Antibodies by Protein A Affinity Chromatography
Anurag S Rathore1, Sharad Narnaware2
1Department of Chemical Engineering, Indian Institute of Technology Delhi, New Delhi, India. asrathore@biotechcmz.com.
Abstract:
Protein A affinity chromatography is widely used for capturing therapeutic antibodies. It offers high binding capacity, selectivity, and resin reusability while delivering high yield and product purity. The Protein A step is ubiquitous in its presence in purification platforms for production of antibody products due to the effective clearance it offers of impurities, high and low molecular weight species (HMW and LMW), host cell proteins (HCP), and DNA. In this chapter, we describe a highly selective Protein A affinity chromatography protocol for purification of monoclonal antibodies.
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