Cited by 150X-ray Spectroscopy and Fluorescence AnalysisElectron and X-Ray Spectroscopy TechniquesAdvanced X-ray Imaging Techniques

The DOI matches its Crossref record; 62 of the 62 references it cites were found in a registry or an index.

Bio-metals imaging and speciation in cells using proton and synchrotron radiation X-ray microspectroscopy

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Ortega, Richard, Devès, Guillaume, Carmona, Asunción·2009·Journal of The Royal Society Interface

Abstract

The direct detection of biologically relevant metals in single cells and of their speciation is a challenging task that requires sophisticated analytical developments. The aim of this article is to present the recent achievements in the field of cellular chemical element imaging, and direct speciation analysis, using proton and synchrotron radiation X-ray micro- and nano-analysis. The recent improvements in focusing optics for MeV-accelerated particles and keV X-rays allow application to chemical element analysis in subcellular compartments. The imaging and quantification of trace elements in single cells can be obtained using particle-induced X-ray emission (PIXE). The combination of PIXE with backscattering spectrometry and scanning transmission ion microscopy provides a high accuracy in elemental quantification of cellular organelles. On the other hand, synchrotron radiation X-ray fluorescence provides chemical element imaging with less than 100 nm spatial resolution. Moreover, synchrotron radiation offers the unique capability of spatially resolved chemical speciation using micro-X-ray absorption spectroscopy. The potential of these methods in biomedical investigations will be illustrated with examples of application in the fields of cellular toxicology, and pharmacology, bio-metals and metal-based nano-particles.

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Metadata

Authors
Ortega, R., Devès, G., & Carmona, A.
Affiliations
Centre National de la Recherche Scientifique (FR)
Venue
Journal of The Royal Society Interface
Published
2009-07-15
Volume
6
Issue
suppl_5
Pages
S649-58
ISSN
  • 1742-5662 (ISSN-L)
  • 1742-5689
OpenAlex
W2167807896
Cited by
150
References
62
Citations by year
2025: 5 · 2024: 2 · 2023: 7 · 2022: 5 · 2021: 3 · 2020: 5 · 2019: 13 · 2018: 6 · 2017: 7 · 2016: 17 · 2015: 9 · 2014: 18 · 2013: 6 · 2012: 23
FWCI
2.20
Type
journal article
Language
en
Open access
Locations
  • Journal of The Royal Society Interface (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • Oskar-Bordeaux (Universite de Bordeaux) (submittedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Radiation › X-ray Spectroscopy and Fluorescence Analysis
  • Physical Sciences › Materials Science › Surfaces, Coatings and Films › Electron and X-Ray Spectroscopy Techniques
  • Physical Sciences › Physics and Astronomy › Radiation › Advanced X-ray Imaging Techniques
Keywords
metal speciation, PIXE, backscattering spectrometry, scanning transmission ion microscopy, synchrotron X-ray fluorescence, micro-X-ray absorption spectroscopy, metal-based nanoparticles
MeSH terms
Biopolymers, Metals, Protons, Spectrometry, X-Ray Emission, Synchrotrons

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