Current Pharmaceutical Biotechnology

Davide Prosperi
Department of Biotechnology and Bioscience
University of Milan Bicocca
Milano
Italy

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Ion Exchange Chromatography of Proteins and Clearance of Aggregates

Author(s): Y. Yigzaw, P. Hinckley, A. Hewig, G. Vedantham.

Abstract:

Clearance of product related aggregates in therapeutic proteins is a major focus of purification process development. A typical purification process will have one or two chromatographic steps that remove these product related aggregates to an acceptable level. Both cation exchange and anion exchange chromatography can provide robust clearance of aggregates. The primary factors that are critical for aggregate clearance are: resin chemistry, binding and elution condition, peak collection and column load factor. This review covers how these factors can be optimized to increase the effectiveness of ion exchange chromatography in removing aggregates.

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Article Details

VOLUME: 10
ISSUE: 4
Year: 2009
Page: [421 - 426]
Pages: 6
DOI: 10.2174/138920109788488842
Price: $58