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A High-Resolution Time-of-Flight Mass Spectrometer With Laser Desorption and a Laser Ionization Source

Ulrich Boesl, Jürgen Grotemeyer, Klaus Walter, E. W. Schlag

Abstract

Details of the novel method of laser desorption with a low powered IR-laser and resonance-enhanced multiphoton ionization (REMPI) combined with a high-resolution Reflectron-Time-of-Flight (RETOF) mass spectrometer are explained. Different features of the method are discussed. Some results of mass spectrometric investigations of biomolecules are shown.

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Available abstract

Key concepts: Reflectron, Mass spectrometry, Matrix-assisted laser desorption electrospray ionization, Laser, Ionization, Time of flight, Atmospheric-pressure laser ionization, Ion source