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Immobilized Protein A Resins (IPA)

Repligen Immobilized Protein A resins are well-characterized and accepted in the industry.

IPA 300S and IPA 300 Protein A Affinity Resin

Immobilized Protein A

IPA 300S

IPA 300S is a Repligen legacy Protein A affinity resin used in commercial manufacturing processes for therapeutic antibodies. This resin can also be used for bench-scale experiments and immunoprecipitation (IP) methods. IPA 300S incorporates Repligen's srPA50 ligand immobiized onto an agarose bead.

IPA 300

Discontinued by formal notification of obsolescence , June 23, 2016.

Please substitute all future orders for IPA300 with the equivalent product IPA300S.

IPA 400HC Protein A Affinity Resin

IPA 400HC 

IPA 400HC offers a higher performing Protein A resin with double the binding capacity and linear flow rate capability of IPA 300. This resin can be used for bench- to commercial-scale production of therapeutic and diagnostic antibodies. IPA 400HC incorporates animal-free recombinant Protein A ligand, srPA50, immobilized onto a highly cross-linked agarose bead.

Immobilized Protein A

Repligen develops and manufactures products for the biopharmaceutical industry under an ISO 9001 quality management system.  We focus on the timely delivery of high quality, consistent and robust products, and ensuring business continuity for our customers.

Learn More about Repligen Manufacturing