Ion dynamics in a trapped ion mobility spectrometer.

Ion dynamics in a trapped ion mobility spectrometer.
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DOI:
10.1039/c3an02174b
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发表时间:
2014-04-21
期刊:
The Analyst
影响因子:
--
通讯作者:
Fernandez-Lima F
Fernandez-Lima F
中科院分区:
其他
文献类型:
--
作者:
Hernandez DR;Debord JD;Ridgeway ME;Kaplan DA;Park MA;Fernandez-Lima F

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In the present paper, theoretical simulations and experimental observations are used to describe the ion dynamics in a trapped ion mobility spectrometer. In particular, the ion motion, ion transmission and mobility separation are discussed as a function of the bath gas velocity, radial confinement, analysis time and speed. Mobility analysis and calibration procedure are reported for the case of sphere-like molecules for positive and negative ion modes. Results showed that a maximal mobility resolution can be achieved by optimizing the gas velocity, radial confinement (RF amplitude) and ramp speed (voltage range and ramp time). The mobility resolution scales with the electric field and gas velocity and R = 100–250 can be routinely obtained at room temperature.
DOI: 10.1016/s0168-1176(96)04465-5
发表时间: 1996-12-20
期刊: INTERNATIONAL JOURNAL OF MASS SPECTROMETRY AND ION PROCESSES
影响因子: --
作者:
Gillig, KJ;Bluhm, BK;Russell, DH
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影响因子: 2.9
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发表时间: 2009-01-01
期刊: ANALYST
影响因子: 4.2
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