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Downstream Processing|

Upstream Processing

Gregory Zarbis-Papastoitsis, PhD

Gregory Zarbis-Papastoitsis, PhD, is a director, in the downstream process development department at Percivia LLC

Articles by Gregory Zarbis-Papastoitsis, PhD

PEG Precipitation: A Powerful Tool for Monoclonal Antibody Purification

ByBlanca Lain, PhD,Gregory Zarbis-Papastoitsis, PhD,Michael Kuczewski,Emily Schirmer, PhD

March 2nd 2010

This alternative purification method to chromatography is readily scalable and fits a fully disposable downstream process.

Hydrophobic Membrane Adsorbers for Large-Scale Downstream Processing

ByGregory Zarbis-Papastoitsis, PhD,Michael Kuczewski,Nathalie Frau, PhD,Miyako Hirai

October 2nd 2009

This alternative to column chromatography is suitable for flow-through as well as bind-and-elute purification operations.

Latest Updated Articles

PEG Precipitation: A Powerful Tool for Monoclonal Antibody Purification
March 2nd 2010
Hydrophobic Membrane Adsorbers for Large-Scale Downstream Processing
October 2nd 2009