A new tandem mass spectrometer for photofragment spectroscopy of cold, gas-phase molecular ions

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Abstract

We present here the design of a new tandem mass spectrometer that combines an electrospray ion source with a cryogenically cooled ion trap for spectroscopic studies of cold, gas-phase ions. The ability to generate large ions in the gas phase without fragmentation, cool them to ∼10 K in an ion trap, and perform photofragment spectroscopy opens up new possibilities for spectroscopic characterization of large biomolecular ions. The incorporation of an ion funnel, together with a number of small enhancements, significantly improves the sensitivity, signal stability, and ease of use compared with the previous instrument built in our laboratory. © 2010 American Institute of Physics.

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Svendsen, A., Lorenz, U. J., Boyarkin, O. V., & Rizzo, T. R. (2010). A new tandem mass spectrometer for photofragment spectroscopy of cold, gas-phase molecular ions. Review of Scientific Instruments, 81(7). https://doi.org/10.1063/1.3458014

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