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In High-Performance Liquid Chromatography (HPLC), the elution process is critical to the separation of analytes and the quality of chromatographic results. Elution describes how compounds move through the column and separate based on their interactions with the mobile and stationary phases. This process determines the resolution, peak shape, and retention times in the chromatogram, which are essential for identifying and quantifying components in complex mixtures. Understanding the elution...
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The chromatography technique was first invented in 1901 by Michael S. Tswett, a Russian botanist, to separate plant pigments using organic solvents. Further, in 1941, Archer John Porter Martin and R. L. M. Synge modified the technique by packing silica gel into a column. A mixture of amino acids was then separated on the packed column using chloroform and water mixture as the mobile phase. This was the first report on column chromatography. At present, column chromatography is a widely used...
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Updated: May 7, 2026

Automated Hydrophobic Interaction Chromatography Column Selection for Use in Protein Purification
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Detergent Virus Inactivation in Chromatography Systems.

Kang Cai1, Etienne Utiger1, Chris Afdahl1

  • 1Biopharmaceutical Development, AstraZeneca, Maryland, USA.

Biotechnology and Bioengineering
|May 6, 2026
PubMed
Summary
This summary is machine-generated.

A new method integrates virus inactivation into therapeutic protein manufacturing using a detergent wash during chromatography. This approach achieves significant retrovirus inactivation, simplifying production processes.

Keywords:
chromatographydetergentprotein purificationvirus inactivation

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Area of Science:

  • Biotechnology
  • Pharmaceutical Manufacturing
  • Virology

Background:

  • Detergent treatment is a standard virus inactivation method in biopharmaceutical production.
  • Conventional methods typically involve batch processing in separate incubation vessels.

Purpose of the Study:

  • To develop an integrated virus inactivation method within a bind-elute chromatography process.
  • To evaluate the efficacy of a non-ionic detergent wash for virus inactivation during chromatography.

Main Methods:

  • A bind-elute chromatography process was adapted to include a post-load wash step.
  • The non-ionic detergent Laureth 9 was applied during the wash step.
  • Virus infectivity and genome copy numbers were measured to assess inactivation and removal.

Main Results:

  • Application of Laureth 9 during the post-load wash achieved over 4 logs of retrovirus inactivation.
  • Chromatography without detergent showed negligible virus inactivation.
  • Distinguishing between detergent-driven inactivation and chromatography-driven removal was achieved.

Conclusions:

  • Integrating detergent-based virus inactivation into chromatography is a robust and simplified alternative.
  • This methodology enhances safety in therapeutic protein manufacturing.
  • The approach offers a more streamlined process compared to traditional batch methods.