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Related Experiment Videos

Expanded-bed adsorption in industrial bioprocessing: recent developments

R Hjorth1

  • 1Pharmacia Biotech AB, Uppsala, Sweden. rolf.hjorth@eu.pharmacia.com

Trends in Biotechnology
|June 1, 1997
PubMed
Summary

Expanded-bed adsorption captures proteins from particle-laden liquids in one step, simplifying purification and increasing recovery. This technology offers convenient process development and scale-up for bioprocessing applications.

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Area of Science:

  • Biotechnology
  • Biochemical Engineering
  • Separation Science

Background:

  • Traditional protein purification requires pre-treatment to remove particulates, adding complexity and reducing yield.
  • Expanded-bed adsorption (EBA) integrates clarification and capture, streamlining downstream processing.
  • EBA offers a single-step solution for processing complex biological feedstocks like cell suspensions and homogenates.

Purpose of the Study:

  • To review recent advancements in expanded-bed adsorption technology.
  • To highlight the diverse applications of EBA in bioseparations.
  • To discuss the advantages of EBA for process development and scale-up.

Main Methods:

  • Literature review of recent developments in expanded-bed adsorption.

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  • Analysis of current applications and case studies.
  • Comparison of EBA with conventional packed-bed chromatography.

    • Main Results:

    • Expanded-bed adsorption enables direct capture of proteins from unclarified feedstocks.
    • This integrated approach leads to higher product recovery and reduced processing times.
    • EBA facilitates convenient process development and scale-up due to similarities with packed-bed systems.

    Conclusions:

    • Expanded-bed adsorption is a powerful technique for efficient protein purification from complex mixtures.
    • The technology simplifies bioprocessing by combining clarification and capture.
    • Continued development promises wider applications in biotechnology and biopharmaceutical manufacturing.