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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