Agilent BioHPLC Columns - Your essential resource for biomolecule analysis

Significance of the topic

Advanced biomolecule analysis is critical to modern biopharmaceutical research and manufacturing. Highly sensitive, rapid, and reproducible chromatographic methods enable detailed characterization of proteins, peptides, oligonucleotides, glycans, and small metabolites. By providing reliable data on molecular size, charge variants, primary sequence, and post-translational modifications, these techniques support drug discovery, process development, and quality control of complex biological therapeutics.

Aims and overview of the document

• Present a comprehensive guide to Agilent BioHPLC columns and related instruments for biomolecule analysis
• Outline selection criteria for size exclusion (SEC), reversed-phase (RP), ion-exchange (IEX), hydrophilic interaction (HILIC), and affinity chromatography
• Provide method development recommendations, mobile phase and temperature choices
• Demonstrate application-specific column families: AdvanceBio, ZORBAX, Poroshell, PLRP-S, PL-SAX, PL-SCX, Bio-Monolith, MARS
• Showcase instrument compatibility: Agilent 1260/1290 Infinity LC series and supplies

Methodology and instrumentation

Techniques covered include:

• Size exclusion chromatography (SEC) for aggregate quantitation and molecular weight determination
• Reversed-phase LC/UV and LC/MS for primary structure and peptide mapping
• Ion-exchange chromatography (IEX) for charge variant analysis
• Hydrophilic interaction chromatography (HILIC) for released glycans and polar metabolites
• Affinity chromatography (Protein A/G) for mAb titer determination and protein depletion

Key instruments and supplies:

• Agilent 1260 Infinity II bio-inert LC and 1290 Infinity II LC systems
• InfinityLab LC supplies: precolumn derivatization kits, well plates, solvent filters
• Autosamplers with online derivatization (OPA/FMOC) for amino acid analysis

Main results and discussion

AdvanceBio and ZORBAX columns deliver significant performance improvements:

• AdvanceBio RP-mAb C4 resolves intact mAbs in under 2 minutes with high resolution of variants
• ZORBAX RRHD 300SB-C8 achieves sub-two-minute separation of insulin chains and oxidized species
• AdvanceBio Glycan Mapping 1.8 μm columns complete 2-AB labeled N-glycan profiling in under 10 minutes
• AdvanceBio Peptide Mapping columns (2.7 μm) resolve complex digests in 12–14 minutes
• AdvanceBio SEC (1.9–2.7 μm) quantifies monomer and dimer with resolution >2.7 and stable performance over 1,300 injections
• Bio MAb and Bio IEX columns separate mAb charge variants in <30 minutes with RSD <1%
• Bio-Monolith Protein A delivers fast, high-capacity on-line titer analysis with minimal flow rate effects
• AdvanceBio MS Spent Media HILIC columns enable underivatized analysis of amino acids and metabolites by LC/MS

Benefits and practical applications

• Accelerated method development and high throughput for QC and release testing
• Enhanced resolution and sensitivity support multi-attribute monitoring of mAbs and ADCs
• Robust columns and reagents reduce downtime and rework across laboratories
• Integrated sample preparation workflows for glycans, peptides, and amino acids
• Scalable solutions from analytical to preparative applications

Future trends and applications

Emerging directions include 2D-LC workflows combining orthogonal separations, AI-driven method optimization, inline sample preparation, and further miniaturization. High-resolution MS integration, automated buffer blending, and lab-wide resource management will drive faster biotherapeutic development and more rigorous QA/QC.

Conclusion

Agilent offers a full suite of BioHPLC columns, supplies, and instruments tailored to every stage of biomolecule analysis. From intact protein and charge variant characterization to glycan mapping, peptide profiling, and amino acid quantitation, these solutions deliver speed, sensitivity, and reproducibility—helping laboratories worldwide accelerate discovery, streamline workflows, and ensure product quality.

References

• Agilent Technologies, AdvanceBio BioHPLC Columns and CrossLab Workflow Solutions, Publication 5991-5035EN, 2024