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Improved flow rates with porous sephadex gels
Science (New York, N.Y.)
|February 18, 1972
Summary
Adding siliconized glass beads to porous Sephadex gels significantly enhances flow rates. This method improves rapid separations without altering essential gel properties, offering a valuable technique for chromatography.
Area of Science:
- Biochemistry
- Chromatography
- Materials Science
Background:
- Sephadex gels are widely used in size exclusion chromatography.
- Achieving high flow rates in Sephadex chromatography can be challenging.
- Maintaining gel properties during flow rate enhancement is crucial.
Purpose of the Study:
- To investigate a novel method for improving flow rates in Sephadex gel chromatography.
- To assess the impact of internal support on Sephadex gel performance.
- To determine if flow rate improvements affect other critical gel properties.
Main Methods:
- Incorporation of siliconized glass beads (6 mm diameter) as internal support within porous Sephadex gels.
- Evaluation of flow rates through the modified Sephadex gel columns.
- Assessment of other key Sephadex gel properties post-modification.
Main Results:
- Marked improvement in obtainable flow rates using Sephadex gels with internal glass bead support.
- No significant alteration observed in other crucial properties of the Sephadex gels.
- Demonstration of the method's effectiveness in enhancing chromatographic separation speed.
Conclusions:
- Siliconized glass beads provide an effective internal support for porous Sephadex gels.
- This technique significantly boosts flow rates, enabling faster chromatographic separations.
- The method is broadly applicable for rapid separations requiring Sephadex gels.