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

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 electrospra...

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Veröffentlicht in:	Journal of the American Society for Mass Spectrometry 2007-08, Vol.18 (8), p.1552-1558
Hauptverfasser:	Vilkov, Andrey N., Gamage, Chaminda M., Misharin, Alexander S., Doroshenko, Vladimir M., Tolmachev, Dmitry A., Tarasova, Irina A., Kharybin, Oleg N., Novoselov, Konstantin P., Gorshkov, Michael V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Atmospheric Pressure Cyclotron resonance Fourier transforms Ionization Ions Mass spectra Mass spectrometry Peptides - chemistry Resolution Spectrometry, Mass, Electrospray Ionization - instrumentation Spectrometry, Mass, Electrospray Ionization - methods Spectroscopy, Fourier Transform Infrared - instrumentation Spectroscopy, Fourier Transform Infrared - methods
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Beschreibung
Zusammenfassung:	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 1200 m/z in the isotopically resolved mass spectra.
ISSN:	1044-0305 1879-1123
DOI:	10.1016/j.jasms.2007.05.010