A fully automated dual-online multifunctional ultrahigh pressure liquid chromatography system for high-throughput proteomics analysis

Hangyeore Lee, Jung Hwa Lee, Hokeun Kim, Su Jin Kim, Jingi Bae, Hark Kyun Kim, Sang-Won Lee

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

A fully automated dual-online multifunctional ultrahigh pressure liquid chromatography (DO-MULTI-UPLC) system has been developed for high throughput proteome analyses of complex peptide mixtures. The system employs two online solid phase extraction (SPE) columns (150. μm inner diameter. ×. 3. cm), two capillary reverse phase (RP) columns (75. μm. ×. 100. cm) and a strong cation exchange (SCX) column (150. μm. ×. 15. cm) on a single system utilizing one binary pump and one isocratic pump. With the automated operation of six switching valves, the selection of LC experiments between single-dimensional RPLC and online two-dimensional SCX/RPLC were achieved automatically, without manual intervention, while two RPLC columns were used independently and alternatively. By essentially removing the dead time for column equilibration between experiments, in either 1D mode or 2D experimental mode, the current system was demonstrated to increase the experimental throughput by about two folds, while keeping the inter-column reproducibility of peptide elution time in less than 1% of gradient time. The advantageous features of the proposed system were demonstrated by its application to proteome samples of varying complexities.

Original languageEnglish
Pages (from-to)83-89
Number of pages7
JournalJournal of Chromatography A
Volume1329
DOIs
Publication statusPublished - 2014 Feb 14

Fingerprint

Liquid chromatography
Proteome
Proteomics
Cations
High Pressure Liquid Chromatography
Throughput
Pumps
Peptides
Experiments
Solid Phase Extraction
Complex Mixtures
Liquid Chromatography
Pressure

Keywords

  • Bottom-up proteomics
  • Dual-online LC
  • Multidimensional separation
  • Tandem mass spectrometry

ASJC Scopus subject areas

  • Analytical Chemistry
  • Organic Chemistry
  • Biochemistry

Cite this

A fully automated dual-online multifunctional ultrahigh pressure liquid chromatography system for high-throughput proteomics analysis. / Lee, Hangyeore; Lee, Jung Hwa; Kim, Hokeun; Kim, Su Jin; Bae, Jingi; Kim, Hark Kyun; Lee, Sang-Won.

In: Journal of Chromatography A, Vol. 1329, 14.02.2014, p. 83-89.

Research output: Contribution to journalArticle

Lee, Hangyeore ; Lee, Jung Hwa ; Kim, Hokeun ; Kim, Su Jin ; Bae, Jingi ; Kim, Hark Kyun ; Lee, Sang-Won. / A fully automated dual-online multifunctional ultrahigh pressure liquid chromatography system for high-throughput proteomics analysis. In: Journal of Chromatography A. 2014 ; Vol. 1329. pp. 83-89.
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