Assay Potency Tests | Potency Assessment | Lonza (2025)

Comprehensive In Vitro Services

We offer a comprehensive set of in vitro services for assessing binding and potency of biotherapeutics.

15+ Years' Experience

We have over 15 years’ experience designing and performing binding and potency assays.

500+ Molecules

We have assessed more than 500 molecules.

Potency assessment

Potency assays are the foundation of understanding your therapeutic’s activity in order to inform the development program and manufacturing campaign.

Lonza can perform both safety and potency assays allowing for very early, cost effective assessments. Binding assays, for example ELISA can beperformed to verify target binding, especially useful following protein engineering, and we can go further with in vitro activity assays. Lonza can both source the cells for the assays as well as perform the assays which ensures an integrated supply chain.

Our in vitro potency assays

Binding assays Activity assays
ELISA binding assays “True” potency assays (ADCC, ADCP, CDC)
Cell binding assays(membrane binding of the target cell) General killing assays (eg.for ADCs)
Binding kinetics (Biacore, Octet) Customized assays

Our locations

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Cambridge, United Kingdom
Cambridge, MA, USA

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Latest news

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20 Nov 2024 Media Advisory ​​Lonza Announces First GMP Batch Completion at ​Next-Generation Mammalian Manufacturing Facility in... View article
12 Nov 2024 News Release Lonza to Expand Bioconjugation in Visp (CH) with Two Additional Manufacturing Suites View article
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22 Oct 2024 News Release Lonza Extends Collaboration with Major Pharmaceutical Partner for Integrated Commercial Supply of... View article
15 Oct 2024 Media Advisory Lonza Completes Expansion of New Drug Product Services Facility in Basel (CH) View article
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Assay Potency Tests | Potency Assessment | Lonza (2025)
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