Scientists in a lab

Custom reagent preparation to support IVD manufacturers

When a reliable reagent source is hard to find

Our scientists are problem solvers

We’re here to help with specific challenges to your IVD assay development with programs to develop custom:

  • Sourcing and processing of reagents
  • Purification / activity specifications
  • Pack sizes / dispense volumes
  • Formulation (preservatives, buffers, lyophilization)
  • Labelling / OEM supply

Our team screens genes, fine-tunes fermentations from pilot to production scale, and purifies at up to 5,000L batches, delivering validated, assay-ready biomolecules with secure, repeatable supply. 

Talk to the team

Ready to assist you across a broad range of reagent development requirements, diagnostic reagents, biological materials and processes

Gold conjugation
Antigen modification
Enzyme customization
Buffer and formulation optimisation
Stability enhancement
Depleted serum development
Custom sourcing

We also develop and scale production of monoclonal and polyclonal antibodies

Learn More

We also develop and scale production of monoclonal and polyclonal antibodies

Learn More

We also develop and scale production of monoclonal and polyclonal antibodies

Learn More

We also develop and scale production of monoclonal and polyclonal antibodies

Learn More

We also develop and scale production of monoclonal and polyclonal antibodies

Learn More

We also develop and scale production of monoclonal and polyclonal antibodies

Learn More

We also develop and scale production of monoclonal and polyclonal antibodies

Learn More
Enzyme

Aligning Performance, Process Design & Reliable Long-Term Supply

Working Collaboratively

We understand that custom reagent development is not just changing a product, It’s a building a partnership 

  • Understand the application  

Project requirements, assay context, platform needs, performance goals and commercial priorities 

  • Define the development pathway Scientific, analytical and technical teams assess the best route success. 
  • Optimise and evaluate  

Project specific formulation, expression, modification, depletion, conjugation or process optimization  

  • Align specifications and verify performance  Analytical testing, specification alignment and reproducibility checks. 
  • Support reliable supply. Technical transfer, consistent project output, quality systems and ongoing supply planning

Designed for Assay Developers

To international quality frameworks

Custom reagent development is only valuable if it can be delivered reliably.  

BBI supports clients with quality systems, technical transfer capability and process design built to support long-term diagnostic supply and performance verification to recognised international quality frameworks. 

Service Spotlight

Gold Conjugation

Put over 30 years of gold nanoparticle know-how behind your assay. 

We conjugate antibodies, antigens, aptamers, oligos or biotinylated proteins to high-grade BBI gold, using your reagents or sourcing them on your behalf.  

Our proprietary protocol focuses on three absolutes: specificity, sensitivity, and lot-to-lot reproducibility.  

From first call to finished vial, our scientists work side-by-side with your team to build a conjugate that performs exactly as your test demands. 

Contact Us

Service Spotlight

Antigen Modification

As a primary manufacturer BBI can support a range of adaptations of current products or source material from a broad range of human tissues and fluids from its extensive worldwide supply chain. 

Common modifications include modifications to: 

  • Dispensing volumes 
  • Concentrations  
  • Formulations  
  • Purifications 
  • Analytical testing methodologies  

As a UK government human tissue authority licenced site, native antigen products are sourced from ethical, stable raw material suppliers. 

Contact Us
Antigen

Service Spotlight

Enzyme Customization

Specialists in sourcing and extraction of animal and plant products we have extensive experience in sourcing raw materials worldwide. 

Broad customization capabilities 

  • Salt/solvent fractionation  
  • Chromatography  
  • Crystallization  
  • Freeze drying optimization 
  • Ultrafiltration  
  • Quality control  
    • in-process analysis and monitoring  
    • development of assay/test procedures 
  • Custom Packaging 
Contact Us
Enzyme

Service Spotlight

Buffer & Formulation Optimization

Sometimes your test needs an adjusted reagent formulation. Whether it’s in response to a change in reagent risk categorization or to avoid the potential for cross reaction BBI have the capability to remove or source alternatives components such as stabilizers, preservatives or detergent to ensure the final formulation is optimal for your test. 

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Service Spotlight

Stability Enhancement

Need additional raw material stability? 

BBI can reformulate for additional stability using a range of stabilization strategies and perform accelerated and real-time stability assessments to support your development or manufacturing process. 

Contact Us

Service Spotlight

Depleted Serum Development

As a primary manufacturer BBI can support a range of adaptations of serum or plasma products and source material from its extensive worldwide supply chain. 

We use affinity binding and expertly selected antibodies to remove specific proteins in a process scalable up to 30 litres. 

Contact Us

Service Spotlight

Custom Sourcing

As a HTA compliant manufacturer BBI can leverage its broad network of collaborators and suppliers to source raw materials. Consolidate your supply with BBI.

Contact Us

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