ArticleEuropean journal of mass spectrometry (Chichester, England)2021
Atmospheric pressure chemical ionisation mass spectrometry for the routine analysis of low molecular weight analytes.
Article in European journal of mass spectrometry (Chichester, England), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Latest Developments in Mass Spectrometry-Based Techniques for Metabolomics Analysis.Advances in experimental medicine and biology · 2026Review
- Ambient-Pressure Multischeme Chemical Ionization for Pesticide Detection: A MION-Orbitrap Mass Spectrometry Study.ACS omega · 2025Article
- Article
- Desorption of positive and negative ions from activated field emitters at atmospheric pressure.European journal of mass spectrometry (Chichester, England) · 2023Article
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Abstract
The routine analysis of low molecular weight analytes by mass spectrometry is often complicated by the lability of the analyte's functional groups and/or the lack of moieties that can be easily charged. If a molecule is too labile this precludes analysis by techniques such as electron ionisation or chemical ionisation as the analyte will undergo thermal decomposition prior to ionisation as well as spontaneous fragmentation during the ionisation process. If the analyte has a low propensity to form ions in electrospray ionisation (i.e., lacks acidic or basic sites) then often no analyte related ions are observed. In this paper, the robustness and versatility of the established method of atmospheric pressure chemical ionisation is demonstrated for the analysis of low molecular weight analytes. The utility of the technique is demonstrated through the analysis of 30 reference standards of varying functionality, and further by the analysis of 75 synthetic samples which were problematic when analysed by electron or electrospray ionisation. The resulting spectra are dominated by intact molecular species ([M+H]
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