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Concept information

Investigative Techniques > Chemistry Techniques, Analytical > Mass Spectrometry > Spectrometry, Mass, Electrospray Ionization

Preferred term

Spectrometry, Mass, Electrospray Ionization  

Type

  • mesh:Descriptor

Definition

  • A mass spectrometry technique used for analysis of nonvolatile compounds such as proteins and macromolecules. The technique involves preparing electrically charged droplets from analyte molecules dissolved in solvent. The electrically charged droplets enter a vacuum chamber where the solvent is evaporated. Evaporation of solvent reduces the droplet size, thereby increasing the coulombic repulsion within the droplet. As the charged droplets get smaller, the excess charge within them causes them to disintegrate and release analyte molecules. The volatilized analyte molecules are then analyzed by mass spectrometry.

Broader concept

Entry terms

  • Electrospray Ionization Mass Spectrometry
  • ESI Mass Spectrometry

Allowable Qualifier(s)

In other languages

  • Spectrométrie de masse ESI

    French

  • Spectromètrie de masse à ionisation par électronébulisation
  • Spectromètrie de masse à ionisation par électrospray
  • Spectrométrie de masse avec ionisation par électronébulisation
  • Spectromètrie de masse avec ionisation par électrospray

URI

http://data.loterre.fr/ark:/67375/JVR-PHP5GGLZ-J

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RDF/XML TURTLE JSON-LD Created 6/22/00, last modified 7/5/06