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A Coaxial Extractive Electrospray Ionization Source

Abstract

An extractive electrospray ionizaton (EESI) source design is presented to improve the reproducibility of the interactions occurring in EESI. This design uses three concentric capillaries to deliver solvent, sample and nebulizing gas. Coaxial EESI was found to improve the inter-experiment variation by a factor of four and intra-run relative standard deviation by a factor of 2.4. Unlike most standard EESI designs, the device has the form factor of a standard electrospray emitter and can be used without any further instrument modifications.

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Publication details

The article was received on 28 Mar 2017, accepted on 04 May 2017 and first published on 05 May 2017


Article type: Paper
DOI: 10.1039/C7AY00835J
Citation: Anal. Methods, 2017, Accepted Manuscript
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    A Coaxial Extractive Electrospray Ionization Source

    K. D. Swanson, A. L. Worth and G. L. Glish, Anal. Methods, 2017, Accepted Manuscript , DOI: 10.1039/C7AY00835J

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