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PuraBead® chromatography resins

Trusted by the global biopharmaceutical industry for over three decades

PuraBead® chromatography resins are the foundation of Astrea Bioseparations’ purification portfolio and have been trusted by the global biopharmaceutical industry for more than 30 years. Built on our proprietary PuraBead® base matrix, these resins combine high mechanical strength, low backpressure, and scalable performance to deliver reliable purification from early development through GMP manufacturing.

The PuraBead® portfolio spans multiple chromatographic modes, including ion exchange (IEX), hydrophobic interaction (HIC), affinity, and mixed-mode technologies. Each resin family is designed to provide distinct selectivity and performance advantages, supporting applications from routine antibody purification to complex viral vector and advanced therapy separations.

PuraBead® is used in the manufacturing of multiple FDA-approved therapeutics, reflecting its reliability and regulatory track record. As a cornerstone of Astrea Bioseparations, PuraBead® continues to enable the development and manufacture of life-changing therapies while delivering sustainable, consistent, and scalable performance.

IEX

IEX

HIC

HIC

Affinity

Affinity

Mixed Mode Chromatography

Mixed Mode Chromatography

PuraBead® Base Matrix

PuraBead® Base Matrix

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