Ultraviolet Photodissociation Induced by Light‐Emitting Diodes in a Planar Ion Trap | Zendy

Holden Dustin D. | Zendy; Makarov Alexander | Zendy; Schwartz Jae C. | Zendy; Sanders James D. | Zendy; Zhuk Eugene | Zendy; Brodbelt Jennifer S. | Zendy

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Ultraviolet Photodissociation Induced by Light‐Emitting Diodes in a Planar Ion Trap

Author(s) -

Holden Dustin D.,

Makarov Alexander,

Schwartz Jae C.,

Sanders James D.,

Zhuk Eugene,

Brodbelt Jennifer S.

Publication year - 2016

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201605850

Subject(s) - photodissociation , ultraviolet , mass spectrometry , light emitting diode , ion , diode , optoelectronics , irradiation , chemistry , ion trap , ion trapping , trapping , orbitrap , ultraviolet light , materials science , photochemistry , physics , ecology , organic chemistry , chromatography , nuclear physics , biology

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.

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