Refeyn

Refeyn is an analytical instrumentation company and the pioneer of mass photometry, a light-scattering technique that measures the mass of individual molecules in solution without labels.

Its benchtop instruments serve pharmaceutical, biotechnology, and academic customers for characterisation of proteins, nucleic acids, antibodies, and viral vectors including AAV and lentiviral vectors used in gene therapy.

Applications span drug discovery, biotherapeutic development, and gene therapy manufacturing quality control.