Metal Ionization in Sub-atmospheric Pressure MALDI Interface: A New Tool for Mass Spectrometry of Volatile Organic Compounds

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Title in English Metal Ionization in Sub-atmospheric Pressure MALDI Interface: A?New Tool for Mass Spectrometry of Volatile Organic Compounds
Authors

BEDNAŘÍK Antonín PRYSIAZHNYI Vadym PREISLER Jan

Year of publication 2021
Type Article in Periodical
Magazine / Source Analytical Chemistry
MU Faculty or unit

Faculty of Science

Citation
Web http://pubs.acs.org/doi/10.1021/acs.analchem.1c01124
Doi http://dx.doi.org/10.1021/acs.analchem.1c01124
Keywords analytical methods; mass spectrometry; volatile organic compounds; gold; gas-phase reactions; laser ablation
Description A novel approach for the analysis of volatile organic compounds (VOCs) based on chemical ionization by Au+ ions has been proposed. The ionization is carried out in a commercially available dual sub-atmospheric pressure MALDI/ESI interface without any modifications. The Au+ ions are generated by laser ablation of a gold nanolayer with the MALDI laser and VOCs are infused via the ESI capillary.
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