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Centrifugal column chromatography for small sample purification.

W H Scouten1, C E Elhardt

  • 1Department of Chemistry, Baylor University, Waco, TX 76798.

Journal of Biochemical and Biophysical Methods
|March 1, 1988
PubMed
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This study assessed gel filtration materials for spun column chromatography, a fast desalting technique. Optimal gel heights and sample volumes were identified for maximum recovery and salt separation with minimal dilution.

Area of Science:

  • Biochemistry
  • Chromatography techniques

Background:

  • Spun column chromatography is a rapid method for sample preparation.
  • Gel filtration is a common technique for desalting and buffer exchange.

Purpose of the Study:

  • To evaluate different gel filtration materials for spun column chromatography.
  • To determine optimal conditions for sample recovery and salt separation.

Main Methods:

  • Evaluation of gel filtration materials for resistance to column cracking and radial shrinkage.
  • Assessment of sample recovery and salt separation efficiency.
  • Derivation of graphs relating gel height to sample volume.

Main Results:

  • Identified gel filtration materials suitable for spun column chromatography.

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  • Established relationships between gel height, sample volume, recovery, and salt separation.
  • Demonstrated conditions for maintaining low sample dilution.

    • Conclusions:

    • Specific gel filtration materials are well-suited for spun column chromatography.
    • Graphs provide guidance for optimizing desalting protocols using spun columns.