On initial ion velocities in MALDI

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Author(s) Tomalová, Iva, Frankevich, Vladimir, Zenobi, Renato
Publication Type Journal Items, Publication Status: Published
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Title On initial ion velocities in MALDI
Subtitle A novel FT-ICR MS approach
Author(s) Tomalová, Iva
Frankevich, Vladimir
Zenobi, Renato
Journal or Series Title International journal of mass spectrometry
Volume Number 372
Start Page 51
End Page 53
ISSN 1387-3806
Publisher Elsevier
Publication Place Amsterdam
Publication Date 2014-11
Keyword(s) MALDI
Initial ion velocity
Abstract Even after more than two decades of investigation, the question whether the initial velocity of ions generated by matrix-assisted laser desorption/ionization (MALDI) depends on their molecular weight or not remains unanswered. A novel method employing an internal MALDI source Fourier-transform ion cyclotron resonance mass spectrometry is used to measure the initial ion velocities of peptides with m/z values in the range of typical proteomic experiments. Simultaneous measurement of multiple matrix and analyte ions clearly shows initial ion velocities that depend on analyte or matrix molecular weight. The measured velocity values agree well with the published data.
DOI 10.1016/j.ijms.2014.08.004
Additional Notes Received 10 April 2014, Received in revised form 29 July 2014, Accepted 4 August 2014, Available online 23 August 2014
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03430
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NEBIS System Number 000024690
Source Database ID SCOPUS-84906732471
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  author = "Tomalov{\'{a}}, Iva and Frankevich, Vladimir and Zenobi, Renato",
  title = "{O}n initial ion velocities in {M}{A}{L}{D}{I}: {A} novel {F}{T}-{I}{C}{R} {M}{S} approach",
  journal = "International journal of mass spectrometry",
  year = 2014,
  volume = "372",
  pages = "51--53",
  month = nov,

E-Citations record created: Tue, 30 Sep 2014, 06:31:42 CET