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Cited by 463

The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.

The 3D OrbiSIMS—label-free metabolic imaging with subcellular lateral resolution and high mass-resolving power

Open access
Passarelli, Melissa K, Pirkl, Alexander, Moellers, Rudolf, Grinfeld, Dmitry, Kollmer, Felix, Havelund, Rasmus, Newman, Carla F, Marshall, Peter S, Arlinghaus, Henrik, Alexander, Morgan R, West, Andy, Horning, Stevan, Niehuis, Ewald, Makarov, Alexander, Dollery, Colin T, Gilmore, Ian S·2017·Nature Methods

Abstract

We report the development of a 3D OrbiSIMS instrument for label-free biomedical imaging. It combines the high spatial resolution of secondary ion mass spectrometry (SIMS; under 200 nm for inorganic species and under 2 μm for biomolecules) with the high mass-resolving power of an Orbitrap (>240,000 at m/z 200). This allows exogenous and endogenous metabolites to be visualized in 3D with subcellular resolution. We imaged the distribution of neurotransmitters—gamma-aminobutyric acid, dopamine and serotonin—with high spectroscopic confidence in the mouse hippocampus. We also putatively annotated and mapped the subcellular localization of 29 sulfoglycosphingolipids and 45 glycerophospholipids, and we confirmed lipid identities with tandem mass spectrometry. We demonstrated single-cell metabolomic profiling using rat alveolar macrophage cells incubated with different concentrations of the drug amiodarone, and we observed that the upregulation of phospholipid species and cholesterol is correlated with the accumulation of amiodarone.

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Crossref · 10.1038/nmeth.4504

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Metadata

Authors
Passarelli, M. K., Pirkl, A., Moellers, R., Grinfeld, D., Kollmer, F., Havelund, R., Newman, C. F., Marshall, P. S., Arlinghaus, H., Alexander, M. R., West, A., Horning, S., Niehuis, E., Makarov, A., Dollery, C. T., & Gilmore, I. S.
Venue
Nature Methods
Published
2017-11-13
Volume
14
Issue
12
Pages
1175-1183
ISSN
  • 1548-7091 (ISSN-L)
  • 1548-7105
OpenAlex
W2767546077
Cited by
463
References
5
FWCI
19.32
Type
journal article
Language
en
Open access
green

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