Results 181 to 190 of about 6,598 (202)
Designing High-Performance Dual-Ion Batteries at High-Voltage: Challenges, Strategies, and Prospects. [PDF]
Nanomicro LettHan C, Xu YS, Hu Z, Cao AM, Chen G.
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Characterization of Mobility-Dependent Ion Confinement in Rotating Electric Fields. [PDF]
J Am Soc Mass SpectromLee JY +3 more
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Analytical applications of gas-phase ion chemistry enabled by mass spectrometry.
Anal MethodsKang WY, Prentice BM.
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Influence of Reduced Field Strength on Product Ion Formation in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS) [PDF]
Journal of the American Society for Mass Spectrometry, 2021 Classical ion mobility spectrometers (IMS) operated at ambient pressure, often use atmospheric pressure chemical ionization (APCI) sources to ionize organic compounds. In APCI, reactant ions ionize neutral analyte molecules via gas-phase ion–molecule reactions. The positively charged reactant ions in purified, dry air are H3O+, NO+, and O2+•.
Ansgar T Kirk +2 more
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Influence of Sample Gas Humidity on Product Ion Formation in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS) [PDF]
Journal of the American Society for Mass Spectrometry, 2022 High Kinetic Energy Ion Mobility Spectrometers (HiKE-IMS) chemically ionize gaseous samples via reactant ions and separate the generated ions by their motion in a neutral gas under the influence of an electric field. Operation at reduced pressures of 10–40 mbar allows for reaching high reduced electric field strengths (E/N) of up to 120 Td.
Ansgar T Kirk +2 more
exaly +5 more sources
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Analytical Chemistry, 2014
We present a high kinetic energy ion mobility spectrometer (HiKE-IMS) for quantitative gas analysis. Drift tube and reaction tube can be operated at reduced fields up to 110 Td. At such conditions the distribution of reactant ion water clusters is shifted toward smaller clusters.
Ansgar T Kirk +2 more
exaly +3 more sources
We present a high kinetic energy ion mobility spectrometer (HiKE-IMS) for quantitative gas analysis. Drift tube and reaction tube can be operated at reduced fields up to 110 Td. At such conditions the distribution of reactant ion water clusters is shifted toward smaller clusters.
Ansgar T Kirk +2 more
exaly +3 more sources
High-Resolution High Kinetic Energy Ion Mobility Spectrometer Based on a Low-Discrimination Tristate Ion Shutter [PDF]
Analytical Chemistry, 2018 High kinetic energy ion mobility spectrometry (HiKE-IMS) allows for sensitive trace gas analysis within seconds, mitigating many disadvantages of standard ion mobility spectrometers through operation at reduced pressure and high electric field strengths.
Ansgar T Kirk +2 more
exaly +6 more sources