Matrix‐assisted laser desorption/ionization inside a quadrupole ion‐trap detector cell

Vladimikr M. Doroshenko, Timothy J. Cornish, Robert J. Cotter, Mark M. Ross

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

An ion‐trap detector has been modified for matrix‐assisted laser desorption/ionization using a pulsed frequency‐quadrupled Nd: YAG laser and extended mass range up to 3300 u using the resonant‐rejection mode of operation. The matric‐assisted laser desorption/ionization mass spectra of a number of peptides are reported, and the effects due to the synchronization of the laser pulses and the phase of the RF voltage applied to the ring electrode are described.

Original languageEnglish (US)
Pages (from-to)753-757
Number of pages5
JournalRapid Communications in Mass Spectrometry
Volume6
Issue number12
DOIs
StatePublished - Dec 1992
Externally publishedYes

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Organic Chemistry

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