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Sample Preparation for Probe Electrospray Ionization Mass Spectrometry
05:47

Sample Preparation for Probe Electrospray Ionization Mass Spectrometry

Published on: February 19, 2020

Application of probe electrospray ionization mass spectrometry (PESI-MS) to clinical diagnosis: solvent effect on

Mridul Kanti Mandal1, Kentaro Yoshimura, Lee Chuin Chen

  • 1Clean Energy Research Center, University of Yamanashi, Kofu, Yamanashi, Japan.

Journal of the American Society for Mass Spectrometry
|August 28, 2012
PubMed

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Higher molecular weight biomolecules are nonvolatile compounds that may decompose before ionizing or vaporizing during mass analysis with conventional electron impact ionization methods. Accordingly, electrospray ionization (ESI) is the favored method for vaporizing and ionizing biomolecules as it circumvents rapid fragmentation and enables the recording of mass signals for the entire biomolecule.
ESI utilizes electrical energy to transfer ions from the liquid phase of the sample into the...