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Page 1
Showing results for ion traps
Search for Con Traas instead (2 results)
The Orbitrap: a new mass spectrometer.
Hu Q, Noll RJ, Li H, Makarov A, Hardman M, Graham Cooks R. Hu Q, et al. J Mass Spectrom. 2005 Apr;40(4):430-43. doi: 10.1002/jms.856. J Mass Spectrom. 2005. PMID: 15838939
This paper describes such an instrument, the Orbitrap, based on a new type of mass analyzer invented by Makarov. The Orbitrap operates by radially trapping ions about a central spindle electrode. An outer barrel-like electrode is coaxial with the inner spindlelike e …
This paper describes such an instrument, the Orbitrap, based on a new type of mass analyzer invented by Makarov. The Orbitrap operates by ra …
FT-ICR mass spectrometry: Superconducting magnet, external ion source, ion-molecule reactions, and ion-ion traps.
Wanczek KP, Kanawati B. Wanczek KP, et al. Mass Spectrom Rev. 2022 Mar;41(2):338-351. doi: 10.1002/mas.21682. Epub 2021 Jan 31. Mass Spectrom Rev. 2022. PMID: 33521990 Review.
With the external ion source, a time-of-flight ICR tandem instrument is built. A method to measure the ion flight time and to trap the ions in the ICR cell is described. ...Sophisticated ICR pulse event programs were developed to enable long-range ion- …
With the external ion source, a time-of-flight ICR tandem instrument is built. A method to measure the ion flight time and to …
Infrared multiphoton dissociation in quadrupole ion traps.
Brodbelt JS, Wilson JJ. Brodbelt JS, et al. Mass Spectrom Rev. 2009 May-Jun;28(3):390-424. doi: 10.1002/mas.20216. Mass Spectrom Rev. 2009. PMID: 19294735 Review.
Ion activation/dissociation provides key information about ion structures, binding energies, and differentiation of isomers, as well as affording a primary means of identifying compounds in mixtures. ...Photodissociation is one of the most promising alternatives and …
Ion activation/dissociation provides key information about ion structures, binding energies, and differentiation of isomers, a …
Ion parking during ion/ion reactions in electrodynamic ion traps.
McLuckey SA, Reid GE, Wells JM. McLuckey SA, et al. Anal Chem. 2002 Jan 15;74(2):336-46. doi: 10.1021/ac0109671. Anal Chem. 2002. PMID: 11811406
The efficiency and specificity of the ion parking experiment is highly dependent upon ion densities, trapping conditions, ion charge states, and resonance excitation conditions. The ion parking experiment is illustrated herein along with applica …
The efficiency and specificity of the ion parking experiment is highly dependent upon ion densities, trapping condition …
Space charge induced nonlinear effects in quadrupole ion traps.
Guo D, Wang Y, Xiong X, Zhang H, Zhang X, Yuan T, Fang X, Xu W. Guo D, et al. J Am Soc Mass Spectrom. 2014 Mar;25(3):498-508. doi: 10.1007/s13361-013-0784-9. Epub 2014 Jan 3. J Am Soc Mass Spectrom. 2014. PMID: 24385397
A theoretical method was proposed in this work to study space charge effects in quadrupole ion traps, including ion trapping, ion motion frequency shift, and nonlinear effects on ion trajectories. The spatial distributions of ion c …
A theoretical method was proposed in this work to study space charge effects in quadrupole ion traps, including ion …
Nanofriction in cold ion traps.
Benassi A, Vanossi A, Tosatti E. Benassi A, et al. Nat Commun. 2011;2:236. doi: 10.1038/ncomms1230. Nat Commun. 2011. PMID: 21407202 Free article.
Sliding friction between crystal lattices and the physics of cold ion traps are so far non-overlapping fields. Two sliding lattices may either stick and show static friction or slip with dynamic friction; cold ions are known to form static chains, helices or …
Sliding friction between crystal lattices and the physics of cold ion traps are so far non-overlapping fields. Two sliding lat …
Chemical mass shifts of cluster ions and adduct ions in quadrupolar ion traps revisited and extended.
Romson J, Emmer Å. Romson J, et al. Rapid Commun Mass Spectrom. 2023 Feb 15;37(3):e9436. doi: 10.1002/rcm.9436. Rapid Commun Mass Spectrom. 2023. PMID: 36410697 Free PMC article.
Here, mass shifts of cluster ions, commonly used as calibrants, and other analytes are qualitatively evaluated on the Bruker amaZon spherical ion trap (QIT) and the Finnigan LXQ linear ion trap (LIT). ...Both mass shifts and peak distortions make cluster i …
Here, mass shifts of cluster ions, commonly used as calibrants, and other analytes are qualitatively evaluated on the Bruker amaZon s …
Fourier transform ion cyclotron resonance mass spectrometry at the true cyclotron frequency.
Nagornov KO, Tsybin OY, Nicol E, Kozhinov AN, Tsybin YO. Nagornov KO, et al. Mass Spectrom Rev. 2022 Mar;41(2):314-337. doi: 10.1002/mas.21681. Epub 2021 Jan 18. Mass Spectrom Rev. 2022. PMID: 33462876 Review.
Ion cyclotron resonance (ICR) cells provide stability and coherence of ion oscillations in crossed electric and magnetic fields over extended periods of time. Using the Fourier transform enables precise measurements of ion oscillation frequencies. These preci …
Ion cyclotron resonance (ICR) cells provide stability and coherence of ion oscillations in crossed electric and magnetic field …
GPU Assisted Simulation Study of Ion-Ion Reactions within Quadrupole Ion Traps.
Guo D, He M, Wang Y, Xiong X, Fang X, Xu W. Guo D, et al. J Am Soc Mass Spectrom. 2015 Jul;26(7):1233-41. doi: 10.1007/s13361-015-1098-x. Epub 2015 Apr 14. J Am Soc Mass Spectrom. 2015. PMID: 25868905
With this simulation tool, the dependence of ion-ion reaction rate within 3D quadrupole ion traps on both ion trap operation parameters and the characteristics of reaction pair were investigated. It was found that the m/z values and charge state …
With this simulation tool, the dependence of ion-ion reaction rate within 3D quadrupole ion traps on both ion …
Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps.
Hong S, Lee M, Kwon YD, Cho DD, Kim T. Hong S, et al. J Vis Exp. 2017 Aug 17;(126):56060. doi: 10.3791/56060. J Vis Exp. 2017. PMID: 28872137 Free PMC article.
Ions trapped in a quadrupole Paul trap have been considered one of the strong physical candidates to implement quantum information processing. ...The methods discussed in this paper can easily be extended to the trapping of Yb ions of isotope 171 ((171 …
Ions trapped in a quadrupole Paul trap have been considered one of the strong physical candidates to implement quantum informa …
16,450 results
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