Globally, a wide range of candidate vaccines are being developed in order to protect against life-threatening diseases in both humans and animals.
RSSL have a broad range of analytical services to support customers with their vaccine technologies journey from R&D to GMP batch release. These capabilities span the breadth of available technologies, including recombinant proteins, vaccines utilizing attenuated or inactivated viruses and mRNA-based vaccines. With a highly experienced, multidisciplinary team of scientists, we can ensure your products and processes meet regulatory requirements.
• Identify by capillary electrophoresis SDS or IEX, high resolution liquid chromatography mass spectrometry, SDS-PAGE, immunoassay-based methods (ELISA and Western Blot)
• Protein Purity: orthogonal separation science methods including liquid chromatography and CE-SDS or IEX, high resolution liquid chromatography mass spectrometry with on-line UV detector, SDS-PAGE
• Empty: Full measurements by ion exchange chromatography and capillary electrophoresis
• Host cell proteins: ELISA
• Host cell DNA: qPCR
• Residual plasmid: qPCR
• Residual transfection reagents: HPLC
• DNA sizing by gel electrophoresis or CE-SDS
• Aggregation: size exclusion chromatography, dynamic light scattering
• Residual affinity ligands: ELISA
• Physical titre by ELISA
• Genomic titre against a standard material by qPCR or ddPCR
• Infectious titre by cell-based assays
• Infection dynamic studies via cell-based assays with multiple endpoints (e.g qPCR, ddPCR and ELISA)
• Visible and subvisible particles
• Pharmacopeia tests including appearance, pH, sub visible particles, osmolality
• Comparability
• Method development & validation
• Molecular weight or size
• Protein or peptide sequencing
• Post translational modification (PTM)
• Disulfide-mapping
• Forced degradation studies
• Immunochemical properties by ELISA or western blot
• Glycosylation analysis
• Amino acid composition
• Aggregation studies
• Bioassay for potency
Lipid identity and purity by liquid chromatography mass spectrometry, gas chromatography mass spectrometry and flame ionisation detection (FID), liquid chromatography coupled with evaporative light scattering detection
• Particle size and charge by Zetasizer, DLS
• Lipid content: liquid chromatography evaporative light scattering detection
• Encapsulation efficiency by ribogreen
• Potency by cell-based assays
DNA Template:
• Concentration by qPCR
• Residual Host cell proteins by ELISA
• Residual Host cell DNA by qPCR
• Endotoxins
Drug Substance:
• Identity by RT-PCR. NGS, Sanger and LC-MSMS also available
• Concentration: ribogreen
• Integrity: Agarose gel electrophoresis, capillary electrophoresis, chromatography