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Sample preparation and column regeneration in biopolymer separations.
Journal of Chromatography
|July 17, 1987
Summary
Effective high-performance liquid chromatography (HPLC) for biopolymers relies on proper sample preparation. Techniques and commercial products exist for sample processing and restoring degraded HPLC column performance.
Area of Science:
- Analytical Chemistry
- Biochemistry
Background:
- High-performance liquid chromatography (HPLC) is crucial for biopolymer separation.
- Complex biopolymer mixtures necessitate effective sample preparation for successful chromatography.
Purpose of the Study:
- To outline essential sample preparation techniques for HPLC biopolymer separations.
- To discuss methods for maintaining and restoring HPLC column performance.
Main Methods:
- Review of rapid extraction techniques (solid-phase, liquid-liquid), desalting, detergent removal, concentration, and filtration.
- Description of commercial off-line and on-line automated sample preparation products.
- Explanation of procedures for HPLC column maintenance and performance recovery.
Main Results:
- Adequate sample preparation is vital for biopolymer separation, solubilization, and contaminant removal.
- Various commercial solutions are available for both batch and automated sample processing.
- Methods exist to repair HPLC columns suffering from packing voids, frit contamination, or stationary phase degradation.
Conclusions:
- Optimized sample preparation is a prerequisite for reliable HPLC biopolymer analysis.
- Commercial tools facilitate efficient sample handling in HPLC workflows.
- Restorative procedures can significantly extend the lifespan and effectiveness of HPLC columns.