We listened and learned how scientists separate mAbs and ADCs; then we designed a novel column for LC-MS bioseparations A critical step toward the prolific and successful use of monoclonal antibodies (mAb) as biotherapeutics occurred… Read more >
There are two primary multi-attribute monitoring (MAM) assay choices for biologic development and QC: subunit protein mass analysis and peptide mapping by LC-MS. Here we explore how peptide mapping LC-MS MAM workflows are being used.
Two MAM approaches for biotherapeutic analysis are being implemented today; one focused on the analysis of monoclonal antibody (mAb) subunits, and the other focused on the analysis of peptides from a protein digest (peptide mapping workflow). Both have their advantages and disadvantages. Here, we explore MAM for mAb subunit analysis.
“Assuming continuous improvement is a worthy goal, there is every reason to improve validated chromatographic methods if you’re working with the right instrument technology,” says Eric Grumbach of Waters. See what that means for developing and transferring methods for biologic drugs.
A new approach to stationary phase chemistry for reversed-phase LC analysis of proteins, including monoclonal antibodies and antibody drug conjugates, delivers higher fidelity data especially for MS-based peak identification.
If data can throw your biotherapeutic development program into chaos, it can also help move you forward. Let’s see how.
The improvements in LC-MS technology under GxP compliant-ready informatics for biopharmaceutical analysis has prepared the industry to expand the role of MS technologies beyond product characterization toward monitoring product and process quality attributes.
“If You Build it, He Will Come” Urged on by a voice no one else could hear, Ray Kinsella, played by Kevin Costner in the movie Field of Dreams, cleared a few acres of corn… Read more >
In biotherapeutics, the state of glycosylation has a direct and pronounced effect of the structure, stability, serum half-life, immunogeneicity and bioactivity of the molecule, and constitutes a critical quality attribute (CQA). In our study, characterizing and comparing the glycosylation profile of infliximab began by examining the glycosylation profiles from intact and reduced subunit mass data.
Advancements in High-Resolution Analytics for Characterization of Innovator and Biosimilar Therapeutics Part 2: Peptide Analysis of Infliximab