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Refeyn

Bench-top mass photometry for single molecules

Applications Scientist - Antibody Characterisation

Biology & BiotechPosted on Nov 13
Full-timeOxford, UK£40k - £650k

About the Job

Requirements

  • MSc or PhD in Biology, Biochemistry, Biotechnology, or a related field.
  • Background in protein biochemistry, particularly working with antibodies and characterisation, with knowledge of purification.
  • Practical experience designing experiments, developing assays and workflows, and optimising the performance of bioanalytical instrumentation.
  • Experience working with and analysing biomolecules and/or biosensors.
  • Knowledge and experience of orthogonal techniques for measuring antibodies, such as surface plasmon resonance and/or biolayer interferometry.
  • Ability to communicate complex scientific ideas.
  • Experience preparing technical reports, protocols, standard operating procedures, application notes, and user guides to support product adoption and compliance.

Responsibilities

  • Design, implement, and optimise protocols, assays, and workflows for mass photometry, particularly for antibody measurements.
  • Routinely test new surfaces, cassettes, calibrants, and reagents to aid product development.
  • Provide technical and scientific insight into developing and delivering new technologies, assays, workflows, and protocols.
  • Identify and source appropriate biomolecular targets across existing and new modalities to facilitate product development.
  • Analyse complex data sets to evaluate mass photometry performance in comparison with alternative methods.
  • Work closely with applications specialists, systems engineers, software developers, and external partners to deliver new designs or features and application-specific solutions.
  • Prepare technical reports, protocols, standard operating procedures, application notes, and user guides to support product adoption and compliance.
  • Participate in the growth of Refeyn’s intellectual property portfolio and identify patentable intellectual property.
  • Keep up to date on advances in light microscopy, light scattering, single-molecule bioanalytics, and new antibody modalities.
  • Identify new application targets and novel approaches to support the technology roadmap.

Desired Qualifications

  • Working knowledge of next-generation antibodies, such as bispecific antibodies and antibody-drug conjugates.
  • Working knowledge of regulatory standards, such as ISO 9001.
  • Familiarity with Python.

About the Company

Refeyn

Bench-top mass photometry for single molecules

Refeyn specializes in mass photometry, a technique that measures the mass of single molecules in their native, unlabeled state. Its products are compact bench-top instruments coupled with automated software that enables rapid mass analysis from only a few microliters of sample. Researchers can obtain mass distributions in minutes without prior knowledge or labeling. The company differentiates itself through its native-state, label-free approach, user-friendly bench-top systems, and integrated software that streamlines data acquisition and interpretation, making advanced biomolecule analysis accessible to academic labs, research centers, and pharmaceutical companies. Refeyn aims to advance bioanalytics by providing practical mass measurement tools that uncover biomolecular properties and functions with minimal setup and sample requirements.

Company size
51-200
Company stage
Series A
Total funding
$30M
Headquarters
Oxford, United Kingdom
Founded
2018

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