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Electrospray ionisation source incorporating electrodynamic ion focusing and conveying

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Colburn, Alex W., Barrow, Mark P., Gill, M. S., Giannakopulos, Anastassios E. and Derrick, Peter J. (2008) Electrospray ionisation source incorporating electrodynamic ion focusing and conveying. In: 7th International Conference on Charged Particle Optics (CPO-7), Trinity Coll, Cambridge, England, Jul 24-28, 2006. Published in: Physics Procedia-Proceedings of the Seventh International Conference on Charged Particle Optics , Vol.1 (No.1). pp. 51-60.

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Official URL: http://dx.doi.org/10.1016/j.phpro.2008.07.077

Abstract

The control and transmission of charged entities in the intermediate to high pressure regime is of primary importance in areas such as atmospheric pressure ionisation. In an electrospray ionisation source where small apertures separate differentially pumped vacuum regions in the inlet systems to mass spectrometers, a large proportion of the available ion current is lost to the surrounding electrode structures. A new electrospray ionisation source, incorporating electrodynamic focusing and conveying of charged entities in two vacuum regions is described. The new source design incorporates ion accumulation and pulsed extraction to allow application in techniques such as Fourier Transform Ion Cyclotron Resonance and orthogonal time-of-flight where a pulsed ion source in required. The design of the new source is described and preliminary experimental results using an orthogonal time-of-flight configuration are presented. (C) 2008 Elsevier B.V. All rights reserved.

Item Type:

Conference Item (UNSPECIFIED)

Subjects:

Q Science > QC Physics
Q Science > QD Chemistry

Divisions:

Faculty of Science > Chemistry

Library of Congress Subject Headings (LCSH):

Electrospray ionization mass spectrometry, Mass spectrometers, Ion sources, Electrodynamics

Series Name:

Physics Procedia

Journal or Publication Title:

Physics Procedia-Proceedings of the Seventh International Conference on Charged Particle Optics

Publisher:

Elsevier BV

ISSN:

1875-3892

Editor:

Munro, E and Rouse, J

Official Date:

2008

Dates:

Date	Event
2008	Published

Volume:

Vol.1

Number:

No.1

Number of Pages:

Page Range:

pp. 51-60

Identification Number:

10.1016/j.phpro.2008.07.077

Status:

Not Peer Reviewed

Publication Status:

Published

Access rights to Published version:

Restricted or Subscription Access

Title of Event:

7th International Conference on Charged Particle Optics (CPO-7)

Type of Event:

Conference

Location of Event:

Trinity Coll, Cambridge, England

Date(s) of Event:

Jul 24-28, 2006

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