ArticleJournal of the American Society for Mass Spectrometry2009
Characterization of charge separation in the Array of Micromachined UltraSonic Electrospray (AMUSE) ion source for mass spectrometry.
Article in Journal of the American Society for Mass Spectrometry, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- Direct analysis of surface chemicals using vibrating sharp-edge spray ionization mass spectrometry.Rapid communications in mass spectrometry : RCM · 2020Article
- Facile Improvement of Negative Ion Mode Electrospray Ionization Using Capillary Vibrating Sharp-Edge Spray Ionization.Analytical chemistry · 2020Article
- Capillary Vibrating Sharp-Edge Spray Ionization (cVSSI) for Voltage-Free Liquid Chromatography-Mass Spectrometry.Journal of the American Society for Mass Spectrometry · 2019Article
- Droplet charging regimes for ultrasonic atomization of a liquid electrolyte in an external electric field.Physics of fluids (Woodbury, N.Y. : 1994) · 2011Article
- Regime transition in electromechanical fluid atomization and implications to analyte ionization for mass spectrometric analysis.Journal of the American Society for Mass Spectrometry · 2010Article
- Electrochemical Ionization and Analyte Charging in the Array of Micromachined UltraSonic Electrospray (AMUSE) Ion Source.Journal of electroanalytical chemistry (Lausanne, Switzerland) · 2010Article
- Electrohydrodynamics of charge separation in droplet-based ion sources with time-varying electrical and mechanical actuation.Journal of the American Society for Mass Spectrometry · 2010Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
An initial investigation into the effects of charge separation in the Array of Micromachined UltraSonic Electrospray (AMUSE) ion source is reported to gain understanding of ionization mechanisms and to improve analyte ionization efficiency and operation stability. In RF-only mode, AMUSE ejects, on average, an equal number of slightly positive and slightly negative charged droplets due to random charge fluctuations, providing inefficient analyte ionization. Charge separation at the nozzle orifice is achieved by the application of an external electric field. By bringing the counter electrode close to the nozzle array, strong electric fields can be applied at relatively low DC potentials. It has been demonstrated, through a number of electrode/electrical potential configurations, that increasing charge separation leads to improvement in signal abundance, signal-to-noise ratio, and signal stability.
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Registered trials
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