ADC antibody production and characterization

Following target validation, antibody candidates are expressed, purified, and systematically characterized for binding affinity, specificity, biophysical stability, and glycosylation profile. Biochemical reagents, including amino acids, buffers, carbohydrates, detergents, and precipitation agents, support cell culture optimization, protein extraction, and analytical workflows required to select candidates suitable for conjugation. 

Browse key biochemical reagents used at the ADC antibody production and characterization stage below.

• Amino acids for protein characterization
• Biological buffers for system stability
• Carbohydrates for glycosylation and bioconjugation
• Detergents for protein solubilization
• Metabolism assay kits for antibody analysis
• Metabolite libraries for pharmacokinetics
• PEGs for protein isolation

Amino acids for protein characterization

Amino acids serve dual roles: as essential supplements in cell culture media supporting expression yields, and as reference standards in peptide mapping, amino acid analysis, and LC-MS characterization of antibody sequence and post-translational modifications

Biological buffers for system stability

Biological buffers provide the controlled pH and ionic environment required for SPR-based binding kinetic studies, ELISA, SEC-HPLC analysis, and thermal stability assays used to characterize antibody affinity, selectivity, and biophysical stability.

Carbohydrates for glycosylation and bioconjugation

Carbohydrates including glucose and trehalose support cell culture optimization for glycosylation control and serve as stabilizers in antibody formulation. Specific sugar moieties also participate in glycan engineering strategies aimed at modulating effector function and conjugation site accessibility. 

Detergents for protein solubilization

Mild detergents (CHAPS, Brij^® L23, TWEEN^® 20, Triton™ X-100) support cell lysis and membrane protein solubilization during antibody extraction, maintaining native protein conformations in sample preparation for antibody-antigen interaction characterization.

Metabolism assay kits for antibody analysis

Metabolism assay kits provide quantitative readouts of cell viability, cytotoxicity, and metabolic activity in antibody-expressing cultures, supporting quality assessment of production cell lines and early evaluation of antibody bioactivity ahead of conjugation. 

Metabolite libraries for pharmacokinetics

Metabolite libraries support cell culture metabolomics during antibody production, enabling identification of metabolic bottlenecks in host cell lines and informing media optimization to improve expression yield and glycosylation quality. 

PEGs for protein isolation

Polyethylene glycols support antibody purification workflows, where PEG-induced phase exclusion selectively concentrates antibody fractions and removes impurities prior to chromatographic polishing steps. 

Explore our full PEG product portfolio.