XBridge Premier Protein SEC 250A
Size-based separations of peptides, proteins, and viral vectors
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Good column
Protein analytics
I’ve been using the analytical SEC column for a while now, and it has been performing well. The column resolves peaks effectively, which is crucial for my analyses. I’m interested to see how it holds up over the long term, but so far, it has met my expectations.
Review Date: 6 Jan 2025 | Waters
Get unmatched batch-to-batch reproducibility with the wide range of Waters Size-Exclusion Chromatography (SEC) Columns and standards for protein and peptide characterization.
SEC is a powerful technique for aggregate and fragment analysis in the research, development, and manufacturing of biotherapeutic proteins, such as insulin and monoclonal antibodies (mAb). With SEC, also known as gel filtration, you can separate proteins based on their size (hydrodynamic radii versus absolute molecular weight) in solution, with larger sized species eluting before smaller proteins.
The pore size and volume of the SEC particles used in the packed column drives this isocratic based technique, so the column you choose matters. As the molecular weight of the proteins of interest increases, SEC columns with comparatively larger pore size particles are selected.
