1. The effect of protein a cycle number on the performance and lifetime of an anion exchange polishing step. Issue 4 (10th December 2012) Authors: Iskra, Timothy; Bolton, Glen R.; Coffman, Jonathan L.; Godavarti, Ranga Journal: Biotechnology and bioengineering Issue: Volume 110:Issue 4(2013:Apr.) Page Start: 1142 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗