# Fluorescence-based method for determining the number of ions trapped in a FT-ICR mass spectrometer

Author(s) Sagulenko, Pavel N., Frankevich, Vladimir E., Steinhoff, Robert F., Zenobi, Renato
Publication Type Journal Items, Publication Status: Published
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## Detailed Information

Title Fluorescence-based method for determining the number of ions trapped in a FT-ICR mass spectrometer
Author(s) Sagulenko, Pavel N.
Steinhoff, Robert F.
Zenobi, Renato
Journal or Series Title International journal of mass spectrometry
Volume Number 338
Start Page 11
End Page 16
ISSN 1387-3806
1873-2798
Publisher Elsevier
Publication Place Amsterdam
Publication Date 2013-03-15
Keyword(s) FT-ICR mass spectrometry
Laser-induced fluorescence
Gas-phase rhodamines
Number of trapped ions
Abstract A novel technique for determining the number of ions trapped inside a FT-ICR mass spectrometer is proposed. This technique is based on the detection of the spectral power radiated by fluorescing ions trapped inside the mass spectrometer. A pre-calibrated tungsten lamp was used to perform a calibration of the optical system. Using the absolute values of the energy radiated during an experiment, the number of ions trapped inside the cell was estimated. As reference ions, cations of rhodamine 6G and rhodamine B, whose gas-phase properties have been thoroughly studied, were chosen. The rhodamines have very high absorbance and high quantum yield in the gas phase. The method developed was compared to a previously published technique based on induced current measurements. A good agreement between the two techniques was found.
DOI 10.1016/j.ijms.2012.11.007
Additional Notes Received 12 December 2011, Revised 16 November 2012, Accepted 19 November 2012, Published online 7 January 2013
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03430
Organisational Unit(s)
NEBIS System Number 000024690
Source Database ID WOS-000317444600003
SCOPUS-84874681788
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@article{Sglnk2013,
author = "Sagulenko, Pavel N. and Frankevich, Vladimir E. and Steinhoff, Robert F. and Zenobi, Renato",
title = "{F}luorescence-based method for determining the number of ions trapped in a {F}{T}-{I}{C}{R} mass spectrometer",
journal = "International journal of mass spectrometry",
year = 2013,
volume = "338",
pages = "11--16",
month = mar,
}


E-Citations record created: Tue, 21 May 2013, 07:15:38 CET