Capillary electrophoresis (CE) is a small-volume separation approach amenable to the analysis of complex samples for their small molecule, peptide and protein content. A number of the features of CE make it a method of choice for addressing questions related to neurochemistry. The figures of merit inherent to CE that make it well suited for studying cell-to-cell and intracellular signaling include small sample volumes, high separation efficiency, the ability for online analyte concentration, and compatibility with sensitive and high-information content detection methods. A variety of instrumental aspects are detailed, including detection methods and sampling techniques that are particularly useful for the analysis of signaling molecules. Studies that have used these techniques to increase our understanding of neurobiology are emphasized throughout. One notable application is single neuron chemical analysis, a research area that has been greatly advanced by CE.

Original languageEnglish (US)
Pages (from-to)144-158
Number of pages15
JournalJournal of Chromatography A
Issue number1-2
StatePublished - Mar 14 2008


  • Capillary electrophoresis
  • Cell-to-cell signaling
  • Microdialysis
  • Neuronal release
  • Neuroscience
  • Neurotransmitters
  • Single cell analysis

ASJC Scopus subject areas

  • Analytical Chemistry


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