ArticleThe Analyst2020
Infrared matrix-assisted laser desorption electrospray ionization (IR-MALDESI) mass spectrometry imaging analysis of endogenous metabolites in cherry tomatoes.
Article in The Analyst, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Matrix-Assisted Laser Desorption/Ionization Imaging Mass Spectrometry.Nature reviews. Methods primers · 2026Article
- Identification of Plant Compounds with Mass Spectrometry Imaging (MSI).Metabolites · 2024Review
- Optimizing neurotransmitter pathway detection by IR-MALDESI-MSI in mouse brain.Analytical and bioanalytical chemistry · 2024Article
- Tolyporphins-Exotic Tetrapyrrole Pigments in a Cyanobacterium-A Review.Molecules (Basel, Switzerland) · 2023Review
- The development and application of matrix assisted laser desorption electrospray ionization: The teenage years.Mass spectrometry reviews · 2023Review
- Article
- Multimodal Mass Spectrometry Imaging of Rat Brain Using IR-MALDESI and NanoPOTS-LC-MS/MS.Journal of proteome research · 2022Article
- Enhancing Metabolomic Coverage in Positive Ionization Mode Using Dicationic Reagents by Infrared Matrix-Assisted Laser Desorption Electrospray Ionization.Metabolites · 2021Article
- Recent Advances of Ambient Mass Spectrometry Imaging and Its Applications in Lipid and Metabolite Analysis.Metabolites · 2021Review
- Investigations of β-carotene radical cation formation in infrared matrix-assisted laser desorption electrospray ionization (IR-MALDESI).Rapid communications in mass spectrometry : RCM · 2021Article
- Spatially Resolved Mass Spectrometry at the Single Cell: Recent Innovations in Proteomics and Metabolomics.Journal of the American Society for Mass Spectrometry · 2021Review
- Applications of ambient ionization mass spectrometry in 2020: An annual review.Analytical science advances · 2021Review
- Anti-Parasitic Activity of Cherry Tomato Peel Powders.Foods (Basel, Switzerland) · 2021Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
We report the spatially resolved metabolic profiling of cherry tomatoes using infrared matrix-assisted laser desorption electrospray ionization (IR-MALDESI), a mass spectrometry imaging (MSI) technique that operates at ambient conditions and requires no sample derivatization. Tomatoes were flash frozen, cryosectioned and imaged with adequate spatial resolution to distinguish between the major tissue structures of a tomato including the skin, mesocarp, endocarp, locular tissue, septum, placenta, seed and seed coating. Metabolites were imaged from 100-1200 m/z, enabling significant coverage of a diverse array of metabolites including amino acids and lipids along with the major secondary metabolite classes: terpenes, phenolics, glycosides, and alkaloids. During the metabolic profiling, we found endogenous carotenoid hydrocarbons, namely lycopene or its structural isomer β-carotene, ionized as radical cations. To our knowledge, this is the first demonstration of ionizing hydrocarbons in the MSI field.
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Registered trials
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