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Mass photometry

Weighing molecules with light

A revolutionary new technology

Mass photometry is a revolutionary new method of analysing molecules. It enables the accurate mass measurement of single molecules in solution, in their native state and without the need for labels.


This approach opens up new possibilities for bioanalytics and research into the functions of biomolecules.

Our products

Refeyn Two MP


A mass photometer for biomolecular characterisation

Samux MP


A mass photometer for transformative AAV analytics

Two MP  Auto


Harness the power of automated mass photometry

Our team

The opportunity around our unique technology has attracted a passionate team of people who collectively have spent decades developing and commercialising microscopes and other analytical instrumentation.

Click below to learn about our team and view career opportunities.

About us

Refeyn pioneers analytical instruments that put molecular mass measurement capabilities within easy reach for scientists. Our mission is to transform analytical workflows in the life sciences, biopharma and beyond, using the power of light.

Get in touch

Get in touch

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