Custom Antibodies and Reagents


SeraCare provides expertise in the production of affinity purified antibodies, stable substrates, and liquid substrates. With industry-leading immunodiagnostic manufacturing skills and a well-established reputation in custom development, we are a preferred and trusted supplier to in vitro diagnostic, biopharmaceutical, biotech, and food pathogen test manufacturers around the world.

Our reagents are integral components of commercially available human and animal in vitro diagnostic kits, in-process testing protocols, and high-throughput screening applications. SeraCare is committed to delivering products and services that meet our customers' quality requirements.

Sustained growth

SeraCare offers over 500 KPL reagents and assay kits that provide exceptional performance and consistent quality in ELISA, blotting, and immunohistochemistry applications. Whether you need material provided in bulk or in packaging that is ready to insert into your kit, SeraCare can deliver the following custom products and services to meet your specific needs:

  • Affinity purified antibodies
  • Antibody conjugates
  • Antibodies to bacteria
  • Substrates for ELISA, blotting, and immunohistochemistry applications
  • Immunology support reagents (blockers, wash solutions, stabilizers, and more)
  • Large scale production and packaging options
  • Protein purification and conjugation services

Unwavering support

Throughout our longstanding tradition of delivering quality products, we have cultivated lasting business relationships. And as your partner, we are steadfast in our commitment to your success. We celebrate your achievements as if they are our own.

Leading assay manufacturers depend on our expertise and flexible manufacturing capabilities to grow their business. They are also confident we will deliver. That's why, when it comes to the industry's custom immunoassay reagent suppliers, clients trust in a partnership with SeraCare.