Application Note

Recommendations for Transferring Peptide Mapping Methods to LC/MS Using Core-Shell Columns


With the emergence of new protein therapeutics, including biosimilars, biobetters and ADCs, peptide mapping by LC/MS is becoming more commonly used for the identification of post-translational modifications (PTMs), glycosylation, and conjugation sites, as well as primary sequence confirmation.

The purpose of this study is to provide guidelines for developing optimal LC running conditions with Aeris™ PEPTIDE core-shell HPLC/UHPLC columns and determine the  feasibility of transferring a method developed on UV to MS simply by adjusting the acidic modifier in the mobile phase.

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