Quantitative imaging of metals in tissues

Martina Ralle, Svetlana Lutsenko

Research output: Contribution to journalArticle

Abstract

Metals and other trace elements play an important role in many physiological processes in all biological systems. Characterization of precise metal concentrations, their spatial distribution, and chemical speciation in individual cells and cell compartments will provide much needed information to explore the metallome in health and disease. Synchrotron-based X-ray fluorescent microscopy (SXRF) is the ideal tool to quantitatively measure trace elements with high sensitivity at high resolution. SXRF is based on the intrinsic fluorescent properties of each element and is therefore element specific. Recent advances in synchrotron technology and optimization of sample preparation have made it possible to image metals in mammalian tissue with submicron resolution. In combination with correlative methods, SXRF can now, for example, determine the amount and oxidation state of trace elements in intra-cellular compartments and identify cell-specific changes in the metal ion content during development or disease progression.

Original languageEnglish (US)
Pages (from-to)197-205
Number of pages9
JournalBioMetals
Volume22
Issue number1
DOIs
StatePublished - Feb 2009
Externally publishedYes

Fingerprint

Synchrotrons
trace elements
microscopy
Trace Elements
X-radiation
Trace elements
Metals
metals
image analysis
Tissue
Imaging techniques
Microscopy
Microscopic examination
X-Rays
X rays
chemical speciation
Chemical speciation
cells
Physiological Phenomena
metal ions

Keywords

  • Elemental maps
  • Metal imaging
  • Metallome
  • Submicron resolution
  • Synchrotron-based X-ray fluorescence

ASJC Scopus subject areas

  • Biomaterials
  • Metals and Alloys
  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Quantitative imaging of metals in tissues. / Ralle, Martina; Lutsenko, Svetlana.

In: BioMetals, Vol. 22, No. 1, 02.2009, p. 197-205.

Research output: Contribution to journalArticle

Ralle, Martina ; Lutsenko, Svetlana. / Quantitative imaging of metals in tissues. In: BioMetals. 2009 ; Vol. 22, No. 1. pp. 197-205.
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