NAARDEN, Netherlands--(BUSINESS WIRE)--BAC BV, the leading provider of antibody-based affinity purification technology, has extended its collaboration with GE Healthcare with the addition of a new bioprocess affinity chromatography ligand to GE Healthcare’s range of custom designed media. The latest addition to the range is an affinity resin for the purification of alpha-1 antitrypsin (AAT) from blood plasma, recombinant cell culture or transgenic sources. The new resin has been developed as part of GE Healthcare’s Custom Designed Media (CDM) programme and provides a new solution for AAT purification in the biopharmaceutical industry.