Abstract
One of the major drawbacks of capillary electrophoresis (CE) and other microscale separation techniques, for the analysis of low abundant peptides and proteins in complex samples, are the poor concentration limits of detection. Several strategies have been developed to improve CE sensitivity. Here, we describe an on-line solid-phase extraction capillary electrophoresis mass spectrometry method with a commercial C18 sorbent for clean-up and preconcentration of neuropeptides from highly diluted biological samples.
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Acknowledgement
This work was supported by grants from the Spanish Ministry of Economy and Competitiveness (CTQ2011-27130 and CTQ2014-56777-R).
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Benavente, F., Medina-Casanellas, S., Giménez, E., Sanz-Nebot, V. (2016). On-Line Solid-Phase Extraction Capillary Electrophoresis Mass Spectrometry for Preconcentration and Clean-Up of Peptides and Proteins. In: Tran, N., Taverna, M. (eds) Capillary Electrophoresis of Proteins and Peptides. Methods in Molecular Biology, vol 1466. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-4014-1_6
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DOI: https://doi.org/10.1007/978-1-4939-4014-1_6
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