This review summarizes recent developments and applications of capillary and microchip electroseparation methods in proteomic and peptidomic analyses since the year 2015 to ca. mid 2018. Sample preparation procedures for the removal of interfering components or for pre-fractionation and preconcentration of proteins and peptides of interest are discussed. The innovations in coupling of capillary or microchip electroseparation methods with different modes of mass spectrometry detection are covered. In addition, significant recent applications of capillary electromigration methods in both bottom-up and top-down proteomics as well as in determinations of post-translational modifications of proteins are presented. Moreover, several examples of the utilization of capillary electromigration methods coupled with mass spectrometry detection for clinical proteomics and peptidomics are described.

Institute of Organic Chemistry and Biochemistry The Czech Academy of Sciences Prague 6 Czechia

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