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- Title
Ultraviolet Photodissociation Induced by Light-Emitting Diodes in a Planar Ion Trap.
- Authors
Holden, Dustin D.; Makarov, Alexander; Schwartz, Jae C.; Sanders, James D.; Zhuk, Eugene; Brodbelt, Jennifer S.
- Abstract
The first application of light-emitting diodes (LEDs) for ultraviolet photodissociation (UVPD) mass spectrometry is reported. LEDs provide a compact, low cost light source and have been incorporated directly into the trapping cell of an Orbitrap mass spectrometer. MS/MS efficiencies of over 50 % were obtained using an extended irradiation period, and UVPD was optimized by modulating the ion trapping parameters to maximize the overlap between the ion cloud and the irradiation volume.
- Subjects
PHOTODISSOCIATION; LIGHT emitting diodes; ION traps; LIGHT sources; MASS spectrometers
- Publication
Angewandte Chemie International Edition, 2016, Vol 55, Issue 40, p12417
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201605850