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2004 406
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2007 419
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Page 1
Showing results for ion traps
Search for Con Traas instead (2 results)
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 …
diaPASEF: parallel accumulation-serial fragmentation combined with data-independent acquisition.
Meier F, Brunner AD, Frank M, Ha A, Bludau I, Voytik E, Kaspar-Schoenefeld S, Lubeck M, Raether O, Bache N, Aebersold R, Collins BC, Röst HL, Mann M. Meier F, et al. Nat Methods. 2020 Dec;17(12):1229-1236. doi: 10.1038/s41592-020-00998-0. Epub 2020 Nov 30. Nat Methods. 2020. PMID: 33257825
Although these selection windows collectively cover the entire m/z range, overall, only a few per cent of all incoming ions are isolated for mass analysis. Here, we make use of the correlation of molecular weight and ion mobility in a trapped ion mobil …
Although these selection windows collectively cover the entire m/z range, overall, only a few per cent of all incoming ions are isola …
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
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
GPU parallel computation techniques were also applied to accelerate the simulation process. With this simulation tool, the dependence of ion-ion reaction rate within 3D quadrupole ion traps on both ion trap operation parameters and the character …
GPU parallel computation techniques were also applied to accelerate the simulation process. With this simulation tool, the dependence of …
Ion traps come of age.
Ziegler Z. Ziegler Z. Anal Chem. 2002 Sep 1;74(17):489A-492A. doi: 10.1021/ac022105l. Anal Chem. 2002. PMID: 12236380 No abstract available.
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.
RATIONALE: Chemical mass shifts in quadrupolar ion traps have been studied previously but only for a limited number of analytes and mass ranges. Here, mass shifts of cluster ions, commonly used as calibrants, and other analytes are qualitatively evaluated on …
RATIONALE: Chemical mass shifts in quadrupolar ion traps have been studied previously but only for a limited number of analyte …
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 …
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
Tandem-trapped ion mobility spectrometry/mass spectrometry (tTIMS/MS): a promising analytical method for investigating heterogenous samples.
Liu FC, Ridgeway ME, Park MA, Bleiholder C. Liu FC, et al. Analyst. 2022 May 30;147(11):2317-2337. doi: 10.1039/d2an00335j. Analyst. 2022. PMID: 35521797 Free PMC article. Review.
Ion mobility spectrometry/mass spectrometry (IMS/MS) is widely used to study various levels of protein structure. Here, we review the current state of affairs in tandem-trapped ion mobility spectrometry/mass spectrometry (tTIMS/MS). Two different tTIMS/MS ins
Ion mobility spectrometry/mass spectrometry (IMS/MS) is widely used to study various levels of protein structure. Here, we review the
Collisional activation of ions in RF ion traps and ion guides: the effective ion temperature treatment.
Tolmachev AV, Vilkov AN, Bogdanov B, Pasa-Tolić L, Masselon CD, Smith RD. Tolmachev AV, et al. J Am Soc Mass Spectrom. 2004 Nov;15(11):1616-28. doi: 10.1016/j.jasms.2004.07.014. J Am Soc Mass Spectrom. 2004. PMID: 15519229 Free article.
The RF motion of ions in the bath gas environment involves a large number of ion-neutral collisions that leads to the internal activation of ions and their effective "heating" (when a thermal distribution of internal energies results). ...We show that RF i
The RF motion of ions in the bath gas environment involves a large number of ion-neutral collisions that leads to the internal …
14,855 results
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