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Peptide separation by Hydrophilic-Interaction Chromatography: a review
1Tosoh Analysis and Research Center, 2743-1 Hayakawa, Ayase-shi, Kanagawa 252-1123, Japan.
Journal of Biochemical and Biophysical Methods
|September 4, 2004
Summary
This review covers advances in peptide separation using Hydrophilic-Interaction Chromatography (HILIC) with polar stationary phases. It explores the retention mechanisms and applications of HILIC for analyzing peptides.
Area of Science:
- Analytical Chemistry
- Chromatography
- Biochemistry
Background:
- High-performance liquid chromatography (HPLC) is a key technique for peptide separation.
- Traditional reversed-phase HPLC faces challenges with highly polar peptides.
- Hydrophilic-Interaction Chromatography (HILIC) has emerged as a powerful alternative for polar analyte separation.
Purpose of the Study:
- To review recent developments in peptide separation using HILIC.
- To elucidate the retention mechanisms of polar solutes in HILIC.
- To showcase applications of HILIC in the peptide field.
Main Methods:
- Utilized TSKgel Amide-80 columns (carbamoyl groups bonded to silica gel).
- Employed a mobile phase consisting of acetonitrile-water mixtures with 0.1% trifluoroacetic acid (TFA).
- Investigated the chromatographic behavior of polar solutes under HILIC conditions.
Main Results:
- Summarized advancements in HILIC for peptide separation.
- Characterized the retention mechanisms of polar compounds on amide-based HILIC columns.
- Demonstrated the utility of HILIC through various peptide analysis applications.
Conclusions:
- HILIC offers an effective mode for separating peptides, particularly polar ones.
- Understanding retention mechanisms aids in optimizing HILIC methods.
- HILIC is a valuable tool for peptide analysis in research and industry.