Manipulation and Characterization of Electrosprayed Ions by Zane Baird

By Zane Baird

This thesis addresses the evolving box of size technological know-how, particularly that of mass spectrometry (MS) and ion mobility spectrometry (IMS) dependent strategies. It specializes in the layout, development and implementation of reasonably cheap, easy-to-manufacture dimension instruments which are utilized in sleek settings akin to airport defense screening.
Advances in those applied sciences usually contain minimum functionality enhancement at ever-increasing expense, which in flip limits accessibility to flexible size instruments. This challenge is addressed utilizing laptop 3D printers besides greatly on hand fabrics for the creation of novel ion lenses and an IMS software with a functionality such as that of many advertisement systems.
Baird´s findings are a resource of thought for scientists exploring this rising field.

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Manipulation and Characterization of Electrosprayed Ions Under Ambient Conditions: Methods and Instrumentation

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Extra info for Manipulation and Characterization of Electrosprayed Ions Under Ambient Conditions: Methods and Instrumentation

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For the study of intensities without the use of the ellipse, the sprayer was again positioned 22 mm from the inlet and was shielded from air currents that might disrupt the signal intensity. The potential applied to the sprayer in this case was 1 kV to match the offset potential used when the elliptical electrode Fig. 5 Intensities of different ions detected by MS as a function of potential applied to elliptical electrode: a sprayer potential held 1 kV higher than ellipse potential throughout scan and b chromatograms of ion intensities using the ellipse electrode (solid lines) and without the ellipse electrode (dashed lines).

Hill, Ion Mobility Spectrometry, 3rd edn. (Taylor and Francis, Hoboken, 2013) 10. J. Orloff, Handbook of Charge Particle Optics, 2nd edn. (Taylor and Francis, Hoboken, 2008) 11. M. Reiser, Theory and Design of Charged Particle Beams, 2nd edn. (Wiley-VHC, Weinheim, 2008) 12. A. Badu-Tawiah, D. G. Cooks, J. Am. Soc. Mass Spectrom. 23, 1077–1084 (2012) 13. A. Badu-Tawiah, J. G. Cooks, J. Am. Soc. Mass Spectrom. 23, 842–849 (2012) 14. A. Li, Q. -J. G. Cooks, Angew. Chem. Int. Ed. 53, 3147–3150 (2014) 38 3 Ion Manipulation in Air Using a System of Curved 3D Printed … 15.

DMA employs a similar configuration of parallel plate electrodes, but rather than a waveform, a DC voltage is applied to one electrode while the other is grounded. Ions are introduced into the analyzer region through a narrow opening in the grounded outer plate and are carried by a laminar flow of gas, between the parallel electrodes [26]. Throughout this transit ions migrate toward the inner electrode at different velocities, depending on the mobility of the ion in the carrier gas and the voltage applied to the electrode.

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Manipulation and Characterization of Electrosprayed Ions by Zane Baird
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