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Repligen brands represent game-changing innovation and technology leadership proven to simplify critical phases of the bioprocessing workflow.


Any size. Any resin. Ultimate flexibility.

OPUS® Pre-packed Columns represent the broadest range of open platform, user-specified pre-packed columns available today.  Applications include purification scale-up from process development to GMP production, process validation, process screening and sample preparation.

OPUS® products and applications

XCell ATF®

Simplify and intensify cell culture.

XCell ATF® Cell Retention Systems enable modern perfusion enabled by award winning alternating tangential flow (ATF) technology. Applications include perfusion, seed train optimization, N-1 perfusion, and high productivity harvest.

XCell ATF® Products and Applications


Leader in hollow fiber filtration technology.

Spectrum hollow fiber membranes and filter modules are scalable from process development to commercial manufacturing, fast processing, with high flux rates, High yield, low protein binding.

Spectrum® products and applications


Turnkey systems with walkaway automation.

KrosFlo® hollow fiber tangential flow filtration (TFF) filters and smart TFF systems are scalable, configurable, and fully automated. Applications include UF/DF concentration and buffer exchange.



Unparalleled savings in filter cost, labor and buffer use.

TangenX™ flat sheet-based tangential flow filtration (TFF) membranes and cassettes feature the first purpose-built single-use TFF cassettes for bioprocessing. Applications include UF/DF concentration and buffer exchange.

TangenX™ products and applications


Customized, configurable and complete TFF assemblies.

Pro-Connex® flow path assemblies are custom pre-assembled, single-use and gamma sterilized hollow fiber modules, bags and tubings engineered for easy connection of a TFF system. 

pro-connex products and applications

LONG® ​​​​​​

High-performance cell culture supplements.

Recombinant, animal origin-free, and cGMP compliant, LONG®R3 IGF-I (LONG R3) from Repligen is 200 times more potent and twice as stable in cell culture than insulin.  Applications include cell culture media optimization.

LONG® products and applications


Protein A resin from the leading manufacturer of rProtein A ligands.

CaptivA® Protein A Affinity resin from Repligen deliver industry-standard results at a fraction of the cost of traditional resins.

CaptivA® products and applications