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American Chemical Society, Journal of The American Society for Mass Spectrometry, 8(18), p. 1552-1558, 2007

DOI: 10.1016/j.jasms.2007.05.010

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Atmospheric Pressure Ionization Permanent Magnet Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

Journal article published in 2007 by Andrey N. Vilkov, Chaminda M. Gamage, Alexander S. Misharin, Vladimir M. Doroshenko, Dmitry A. Tolmachev, Irina A. Tarasova ORCID, Oleg N. Kharybin, Konstantin P. Novoselov, Michael V. Gorshkov
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A new Fourier Transform Ion Cyclotron Resonance mass spectrometer based on a permanent magnet with an atmospheric pressure ionization source was designed and constructed. A mass resolving power (full-width-at-half-maximum) of up to 80,000 in the electron ionization mode and 25,000 in the electrospray mode was obtained. Also, a mass measurement accuracy at low-ppm level has been demonstrated for peptide mixtures in a mass range of up to 1,200 m/z in the isotopically resolved mass spectra.