Pulsation modes and the effect of applied voltage on current and flow rate in nanoelectrospray

Alexander, Matthew S., Paine, Mark D. and Stark, John P. W. (2006) Pulsation modes and the effect of applied voltage on current and flow rate in nanoelectrospray. Analytical Chemistry, 78 (8). pp. 2658-2664. ISSN 0003-2700

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Abstract

New modes of nanoelectrospray (nES) have been identified that exhibit stable high-frequency current oscillations in the kilohertz range. In-line flow rate measurements during nES have for the first time allowed the accurate determination of the spray current and volumetric flow rate dependence on applied voltage. High-speed video imaging has revealed that each current pulse corresponds to the periodic formation of a short-lived stable cone-jet structure at the capillary tip. These findings are of particular importance and suggest greater process monitoring and control in nES-MS systems is necessary if efficiency and ion yield are to be optimized.

Item Type:	Article
Faculty \ School:	Faculty of Social Sciences > School of Education and Lifelong Learning Faculty of Science > School of Engineering
Depositing User:	Pure Connector
Date Deposited:	21 Jan 2014 12:34
Last Modified:	19 Mar 2024 10:47
URI:	https://ueaeprints.uea.ac.uk/id/eprint/47361
DOI:	10.1021/ac0520036

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