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Issue 43, 2016, Issue in Progress
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A multichannel rotating electrospray ionization mass spectrometry (MRESI): instrumentation and plume interactions

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Abstract

A multichannel rotating electrospray ionization (MRESI) mass spectrometry method is described. It is carried out by rotating three spray emitters infused with the same or different kinds of solvents or solutions. Rotation effect is shown as a critical factor in equalizing the sampling processes from different channels. The interactions of plumes generated from different spray emitters in MRESI has been systematically studied. Due to electrostatic repulsion, liquid fusion of charged droplets from different channels does not occur, while volatile reagents can induce reactions between sprays by vaporizing into neutral gas phase molecules which then extracted by other droplets. When the method is coupled to a laser desorption technique, the desorbed analytes can be post-ionized by multiple electrosprays concurrently, providing a more informative MS detection of a complex sample.

Graphical abstract: A multichannel rotating electrospray ionization mass spectrometry (MRESI): instrumentation and plume interactions

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Publication details

The article was received on 11 Mar 2016, accepted on 07 Apr 2016 and first published on 07 Apr 2016


Article type: Paper
DOI: 10.1039/C6RA06471J
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RSC Adv., 2016,6, 36615-36622

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    A multichannel rotating electrospray ionization mass spectrometry (MRESI): instrumentation and plume interactions

    R. Qiu, C. Zhang, Z. Qin and H. Luo, RSC Adv., 2016, 6, 36615
    DOI: 10.1039/C6RA06471J

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