ArticleJournal of the American Society for Mass Spectrometry2025
Fragmentation Analysis of α-Pinene Oxidation Products Using High-Resolution Collision-Induced Dissociation Mass Spectrometry for Application to Functional Group Prediction in Monoterpene Oxidation Products without Chromatography.
Article in Journal of the American Society for Mass Spectrometry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Interpretation of α-Pinene Mass Spectra in APCI-Like Ambient Mass Spectrometry Using GC-Coupled Atmospheric Pressure Corona Discharge Ionization.Mass spectrometry (Tokyo, Japan) · 2026Article
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Authors and funding
3 authors.
Funding
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Abstract
Monoterpenes are oxidized in the atmosphere, forming highly oxygenated organic molecules as key precursors for secondary organic aerosols. The resulting oxidation products are well-known to have a large number of structural isomers with multiple oxygen-containing functional groups. However, the precise structures and functionalities of most isomers remain unidentified. In this study, we developed an online analytical method for indicating the presence of oxygen-containing functional groups (carboxyl, hydroxyl, hydroperoxyl, and carbonyl groups) included in gas-phase monoterpene oxidation products. This approach utilizes high-resolution collision-induced dissociation mass spectrometry (HR-CID-MS) in combination with an ambient ionization technique based on atmospheric pressure chemical ionization. We established a relationship between oxygen-containing functional groups and neutral loss observed in the CID spectra of (de)protonated α-pinene oxidation products. The method was applied to α-pinene ozonolysis products, successfully predicting functional groups in known compounds and enabling the characterization of previously unreported ozonolysis products.
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