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Improved methods for separation and purification by affinity chromatography.

G Johnson, J S Garvey

    Journal of Immunological Methods
    |January 1, 1977
    PubMed
    Summary
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    Researchers developed simplified Affinity Chromatography methods for education and research. Modifications to polysaccharide gel activation and immunoadsorbent isolation protocols yielded improved, comparative data for anti-BSA purification.

    Area of Science:

    • Biochemistry
    • Biotechnology
    • Analytical Chemistry

    Background:

    • Affinity chromatography is a powerful purification technique.
    • Standard methods for activating polysaccharide gels, such as using cyanogen bromide (BrCN), can be harsh and require optimization.
    • Simplified protocols are needed for instructional and research settings.

    Purpose of the Study:

    • To define conditions for a simplified Affinity Chromatography protocol.
    • To improve the standard method of polysaccharide gel activation using BrCN.
    • To establish a batchwise protocol for immunoadsorbent isolation of anti-bovine serum albumin (anti-BSA).

    Main Methods:

    • Modification of cyanogen bromide (BrCN) activation of polysaccharide gels with a highly buffered reaction solution.

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  • Development of a batchwise protocol for immunoadsorbent isolation.
  • Utilized commonly employed dissociation agents for comparative analysis.

    • Main Results:

    • Successfully defined conditions for simplified Affinity Chromatography.
    • Improved polysaccharide gel activation using a buffered solution.
    • Obtained comparative data for anti-BSA isolation using the developed protocol.

    Conclusions:

    • The developed simplified Affinity Chromatography protocol is suitable for instructional and research purposes.
    • The modified activation method enhances the standard BrCN procedure.
    • The batchwise immunoadsorbent isolation protocol provides reliable comparative data.