Literature DB >> 19535266

MS/MS of ions in a low pressure linear ion trap using a pulsed gas.

Bruce A Collings1, Matthew A Romaschin.   

Abstract

A pulsed valve was used to increase the pressure within the trapping region of a low-pressure linear ion trap by situating the pulsed valve close to the ion trapping region. The pressure was estimated to increase from a background pressure of 3.5e-5 Torr of nitrogen to 0.49 mTorr at the center of the trap. The increased pressure allowed excitation periods to be reduced from 100 to 25 ms without suffering losses in MS/MS efficiency during dipolar excitation. The reduction in excitation period translates into an increase in the overall duty cycle of the scan.

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Year:  2009        PMID： 19535266     DOI： 10.1016/j.jasms.2009.05.005

Source DB:  PubMed          Journal:  J Am Soc Mass Spectrom        ISSN： 1044-0305            Impact factor:   3.109


  5 in total

1.  Mass selective axial ion ejection from a linear quadrupole ion trap.

Authors:  F A Londry; James W Hager
Journal:  J Am Soc Mass Spectrom       Date:  2003-10       Impact factor: 3.109

2.  Fragmentation of ions in a low pressure linear ion trap.

Authors:  Bruce A Collings
Journal:  J Am Soc Mass Spectrom       Date:  2007-05-10       Impact factor: 3.109

3.  Internal pulsed valve sample introduction on a quadrupole ion trap mass spectrometer.

Authors:  B I Coopersmith; R A Yost
Journal:  J Am Soc Mass Spectrom       Date:  1995-10       Impact factor: 3.109

4.  Competition between resonance ejection and ion dissociation during resonant excitation in a quadrupole ion trap.

Authors:  M J Charles; S A McLuckey; G L Glish
Journal:  J Am Soc Mass Spectrom       Date:  1994-12       Impact factor: 3.109

5.  Ion excitation in a linear quadrupole ion trap with an added octopole field.

Authors:  A L Michaud; A J Frank; C Ding; XianZhen Zhao; D J Douglas
Journal:  J Am Soc Mass Spectrom       Date:  2005-03-24       Impact factor: 3.109
  5 in total
  5 in total

1.  Axial CID and high pressure resonance CID in a miniature ion trap mass spectrometer using a discontinuous atmospheric pressure interface.

Authors:  Liang Gao; Guangtao Li; R Graham Cooks
Journal:  J Am Soc Mass Spectrom       Date:  2009-10-12       Impact factor: 3.109

2.  Extending the Ion Capacity of a Linear Ion Trap Using Nonlinear Radio Frequency Fields.

Authors:  Mircea Guna
Journal:  J Am Soc Mass Spectrom       Date:  2015-07-16       Impact factor: 3.109

3.  Boundary-activated dissociation in a low pressure linear quadrupole ion trap in the presence of nonlinear DC fields.

Authors:  Mircea Guna
Journal:  J Am Soc Mass Spectrom       Date:  2012-07-14       Impact factor: 3.109

4.  Ion-molecule clustering in differential mobility spectrometry: lessons learned from tetraalkylammonium cations and their isomers.

Authors:  J Larry Campbell; Mabel Zhu; W Scott Hopkins
Journal:  J Am Soc Mass Spectrom       Date:  2014-07-08       Impact factor: 3.109

5.  Characterization of acyl chain position in unsaturated phosphatidylcholines using differential mobility-mass spectrometry.

Authors:  Alan T Maccarone; Jackson Duldig; Todd W Mitchell; Stephen J Blanksby; Eva Duchoslav; J Larry Campbell
Journal:  J Lipid Res       Date:  2014-06-17       Impact factor: 5.922
  5 in total

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