Antibody analysis

Characterization of mAb

Do you develop or manufacture monoclonal antibodies (mAb) – or maybe an antibody-based biosimilar product? Then you know that extensive antibody analysis is needed before progressing to clinical trial stages and upscaling your batch size.

The analysis package could include an assessment of the exact MW, looking at the distribution of PTMs, and con...

Do you develop or manufacture monoclonal antibodies (mAb) – or maybe an antibody-based biosimilar product? Then you know that extensive antibody analysis is needed before progressing to clinical trial stages and upscaling your batch size.

The analysis package could include an assessment of the exact MW, looking at the distribution of PTMs, and confirming the antibody sequence. As well as identification and quantification of residual host cell proteins (HCPs), if needed.

Customized mAb analysis projects

We customize every project to fit your specific project. It means that you are not simply buying a standardized antibody analysis. Instead, you are starting a collaboration where we:

  • Explain all analysis steps in detail.
  • Facilitate meetings where your team is updated on the project status. 
  • And provide you with the newest knowledge and instrumentation for antibody analysis, including HCP analysis.

Many mAbs have a low number of HCPs due to Protein A purification. Therefore, we utilize a native digest protocol with more samples. It increases the sensitivity and ensures that we detect a broader HCP population when performing antibody analysis.

Alphalyse offers a range of services for the structural characterization of mAbs and antibody biosimilars. Thus, you can use them to optimize the process development of your antibody product. Rest assured that we always perform our tests according to the ICH Q6B guidelines. (Test Procedures and Acceptance Criteria for Biotechnological/Biological Products).

Choose and combine your preferred antibody analysis package from the services below:

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We offer customized solutions, contact us to discuss your project.

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Why analyze monoclonal antibodies?

Monoclonal antibodies are now the biggest group of biological drug therapies. Therefore, many pharmaceutical companies rely on antibody analysis services that determine both physiochemical and structural properties, along with PTMs, purity (and impurities) and stability.

What should analysis of mAbs and antibody biologics should be done?

The tests can be conducted for characterizing mAbs and derivatives such as biosimilars, antibody-based immunotherapies and other antibody formats like minibodies, ds-scFv, scFab, sdAb and F-Cab – even various isotypes and allotypes. The light and heavy chain can be analyzed separately (intact and reduced), an overview of the variable region (VJ and VJD regions) can be achieved, even if the B-cell hybridoma is not available.

Which techniques are used for antibody analysis?

An analysis typically includes intact mass analysis, distribution of PTMs, and amino acid sequence confirmation and also often peptide mapping.

Who is this for?

We primarily help customers within the pharmaceutical industry and biotechs working on drug development, e.g.

Project managers

Working with process development projects.

Analytical experts

Protein scientists that work with ELISA, masss spectrometry, or CMC.

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