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Ambient Single-Cell Analysis and Native Tissue Imaging Using Laser-Ablation Electrospray Ionization Mass Spectrometry with Increased Spatial Resolution

Journal Article · · Journal of the American Society for Mass Spectrometry
Laser ablation electrospray ionization mass spectrometry (LAESI-MS) is an emerging method that has the potential to transform the field of metabolomics. This is in part due to LAESI-MS being an ambient ionization method that requires minimal sample preparation and uses (endogenous) water for in situ analysis. This application note details the employment of the ‘LAESI microscope’ source to perform spatially resolved MS analysis of cells and MS imaging (MSI) of tissues at high spatial resolution. This source configuration utilizes a long-working distance reflective objective that permits both visualization of the sample and a smaller LAESI laser beam profile than conventional LAESI setups. In this work, we analyzed 200 single cells of Allium cepa (red onion) and imaged Fittonia argyroneura (nerve plant) in high spatial resolution using this source coupled to a Fourier transform mass spectrometer for high mass resolution and high mass accuracy metabolomics.
Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1824325
Report Number(s):
PNNL-SA--161911
Journal Information:
Journal of the American Society for Mass Spectrometry, Journal Name: Journal of the American Society for Mass Spectrometry Journal Issue: 9 Vol. 32; ISSN 1044-0305
Publisher:
American Society for Mass SpectrometryCopyright Statement
Country of Publication:
United States
Language:
English

References (21)

Mass spectrometry imaging based on laser desorption ionization from inorganic and nanophotonic platforms journal September 2020
Observation of Subcellular Metabolite Gradients in Single Cells by Laser Ablation Electrospray Ionization Mass Spectrometry journal September 2012
Infrared Matrix-Assisted Laser Desorption Electrospray Ionization (IR-MALDESI) Imaging Source Coupled to a FT-ICR Mass Spectrometer journal December 2012
A Simple Method for Improving the Spatial Resolution in Infrared Laser Ablation Mass Spectrometry Imaging journal January 2017
Inclusive sharing of mass spectrometry imaging data requires a converter for all journal August 2012
High-Throughput Cell and Tissue Analysis with Enhanced Molecular Coverage by Laser Ablation Electrospray Ionization Mass Spectrometry Using Ion Mobility Separation journal April 2014
Single-Cell Metabolic Profiling: Metabolite Formulas from Isotopic Fine Structures in Heterogeneous Plant Cell Populations journal April 2020
METLIN: A Technology Platform for Identifying Knowns and Unknowns journal January 2018
Ambient Metabolic Profiling and Imaging of Biological Samples with Ultrahigh Molecular Resolution Using Laser Ablation Electrospray Ionization 21 Tesla FTICR Mass Spectrometry journal February 2019
Spatially Resolved Mass Spectrometry at the Single Cell: Recent Innovations in Proteomics and Metabolomics journal March 2021
A cross-platform toolkit for mass spectrometry and proteomics journal October 2012
FDR-controlled metabolite annotation for high-resolution imaging mass spectrometry journal November 2016
Intergrative metabolomic and transcriptomic analyses unveil nutrient remobilization events in leaf senescence of tobacco journal September 2017
Infrared matrix-assisted laser desorption electrospray ionization (IR-MALDESI) mass spectrometry imaging analysis of endogenous metabolites in cherry tomatoes journal January 2020
ToF-SIMS of tissues: “Lessons learned” from mice and women journal March 2015
Assessment of different sample preparation routes for mass spectrometric monitoring and imaging of lipids in bone cells via ToF-SIMS journal March 2015
mMass as a Software Tool for the Annotation of Cyclic Peptide Tandem Mass Spectra journal September 2012
Global analysis of lysine acetylation in strawberry leaves journal September 2015
Sample Preparation for Mass Spectrometry Imaging of Plant Tissues: A Review journal February 2016
Metabolic Noise and Distinct Subpopulations Observed by Single Cell LAESI Mass Spectrometry of Plant Cells in situ journal November 2018
Optical Microscopy-Guided Laser Ablation Electrospray Ionization Ion Mobility Mass Spectrometry: Ambient Single Cell Metabolomics with Increased Confidence in Molecular Identification journal March 2021