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Your Trusted Resource for Bioprocess Impurity Analysis

Access our extensive menu of host cell protein (HCP) and DNA impurity detection solutions including ELISA kits, immunoassay reagents and custom development services.

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Highly sensitive ELISA kits for measurement of host cell proteins and process-related impurities.

High-affinity antibodies in various formats: affinity-purified, IgG fractions, and neat serum.

Antibodies, sample diluents, conjugate stabilizer/diluents, coating and wash buffers, and substrates for immunoassays.

Western Blot Kits for detection of host cell proteins from commonly used recombinant expression systems. These kits utilize the same antibodies as in our corresponding ELISA kits.

Reagents and test kits for the detection and characterization of immune responses in patients.

Outsource to the Experts in Bioprocess Impurity Analysis


  • Tap into our proven bioprocess impurity assay development technologies
  • Employ well-characterized assays to optimize purification process early in drug development
  • Assure regulatory compliance by using our state-of-the-art orthogonal methods
  • Secure long-term uninterrupted supply of critical reagents & kits

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Antibody Affinity Extraction (AAE)

Learn about our novel Antibody Affinity Extraction Method – a superior alternative to 2D Western blot for determination of polyclonal anti-HCP coverage and reactivity to individual HCPs that might persist through purification process

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