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Electrostatic Repulsion Hydrophilic Interaction Chromatography for Isocratic Separation of Charged Solutes and Selective Isolation of Phosphopeptides
Open accessAbstract
If an ion-exchange column is eluted with a predominantly organic mobile phase, then solutes can be retained through hydrophilic interaction even if they have the same charge as the stationary phase. This combination is termed electrostatic repulsion-hydrophilic interaction chromatography (ERLIC). With mixtures of solutes that differ greatly in charge, repulsion effects can be exploited to selectively antagonize the retention of the solutes that normally would be the best retained. This permits the isocratic resolution of mixtures that normally require gradients, including peptides, amino acids, and nucleotides. ERLIC affords convenient separations of highly charged peptides that cannot readily be resolved by other means. In addition, phosphopeptides can be isolated selectively from a tryptic digest.
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Cited by
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Zhou, H., Di Palma, S., Preisinger, C., Peng, M., Polat, A. N., Heck, A. J. R., & Mohammed, S. (2013) · Journal of Proteome Research · doi:10.1021/pr300630k · Cited by 438
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Retention and selectivity of stationary phases for hydrophilic interaction chromatography
Guo, Y., & Gaiki, S. (2011) · Journal of Chromatography A · doi:10.1016/j.chroma.2011.06.052 · Cited by 310
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Metadata
- Authors
- Alpert, A. J.
- Venue
- Analytical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-11-21
- Volume
- 80
- Issue
- 1
- Pages
- 62-76
- ISSN
- 0003-2700 (ISSN-L)
- 1520-6882
- OpenAlex
- W2054235690
- Cited by
- 523
- References
- 0
- FWCI
- 7.99
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Alpert, A. J. (2008). Electrostatic Repulsion Hydrophilic Interaction Chromatography for Isocratic Separation of Charged Solutes and Selective Isolation of Phosphopeptides. Analytical Chemistry. https://doi.org/10.1021/ac070997p
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