Resources

• Protein Identification, Quantification, PTM Mapping, or Intact Mass: Which Mass Spectrometry Service Do You Need?

A comparison guide to choosing among protein identification, quantification, PTM mapping, and intact mass mass spectrometry services based on project question, sample type, and deliverable needs.

• When Protein Mass Spectrometry Results Are Inconclusive: Common Causes and How to Improve Analytical Confidence

A problem-solving guide to inconclusive protein mass spectrometry results, covering common causes from sample prep to reporting and practical steps to improve analytical confidence.

• MS-Based Polyclonal Antibody Sequencing vs. BCR-Seq: Which Strategy Fits Your Antibody Discovery Project?

Compare MS-based polyclonal antibody sequencing and BCR-seq for antibody discovery, covering sample input, repertoire depth, protein-level confirmation, and strategy selection by project goal.

• Proteomics Service for Protein Identification, Quantification, and PTM Profiling

A practical guide to proteomics services covering protein identification, quantification, and PTM profiling, with selection criteria and next steps for project planning.

• Why Polyclonal Antibody Sequencing Is Challenging: Mixture Complexity, Low-Abundance Clones, and CDR Coverage Gaps

Learn why polyclonal antibody sequencing is challenging due to mixture complexity, low-abundance clone loss, and CDR coverage gaps, and how enrichment and layered MS improve resolution.

• Protein Mass Spectrometry Facility

A practical guide to protein mass spectrometry facilities covering capability areas, selection criteria, facility types, and next steps for protein and biologics sample projects.

• Planning a Native MS Project: What to Confirm Before Submitting Protein Complex or Biologics Samples

A practical planning guide to what to confirm before submitting protein complex or biologics samples for native MS, covering question framing, buffer, purity, partners, and shipping.

• Polyclonal Antibody Sequencing: How Complex Antibody Mixtures Can Be Resolved by MS-Based and Sequence-Guided Analysis

Learn how complex polyclonal antibody mixtures are resolved by MS-based de novo analysis and sequence-guided contig assembly, including deconvolution workflow, mass constraints, and reporting outputs.

• Polyclonal Antibody Sequencing Technology and Applications

Explore polyclonal antibody sequencing technology including LC-MS/MS, de novo sequencing, middle-down analysis, and intact mass profiling, and their applications in research, diagnostics, and biopharma.

• Why Native MS Experiments Fail: Buffer, Stability, and Complex Preservation Issues to Check Before Analysis

A troubleshooting guide to why native MS experiments fail, covering buffer compatibility, protein stability, complex preservation, and a pre-analysis checklist.