The study of electrochemistry with ambient mass spectrometry

Pengyuan Liu, Qiuling Zheng, Howard D. Dewald, Rebecca Zhou, Hao Chen

Research output: Contribution to journalReview article

11 Scopus citations

Abstract

Ambient ionization methods, which can be used to ionize samples directly with no or little preparation under ambient conditions, are a new generation of ionization technologies for mass spectrometry (MS). In this article, we review the coupling of electrochemistry (EC) and MS using ambient ionization methods, such as liquid-sample desorption electrospray ionization (DESI), nanospray DESI and flowing atmospheric pressure afterglow (FAPA). With these novel coupling interfaces, unique applications could be realized, such as online reduction and analysis of disulfide bond-containing proteins and peptides, and investigation of electrochemical reactions on electrode surfaces.

Original languageEnglish (US)
Pages (from-to)20-30
Number of pages11
JournalTrAC - Trends in Analytical Chemistry
Volume70
DOIs
StatePublished - Jul 1 2015
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Spectroscopy

Keywords

  • Ambient ionization
  • Disulfide proteomics analysis
  • Electrochemical reaction
  • Electrochemistry
  • Electrode surface
  • Flowing atmospheric pressure afterglow
  • Liquid-sample desorption electrospray ionization
  • Mass spectrometry
  • Nanospray desorption electrospray ionization
  • Proteomics

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