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Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
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Bioimaging Metallomics.

Valderi Luiz Dressler1, Edson Irineu Müller2, Dirce Pozebon3

  • 1Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil. vdressler@gmail.com.

Advances in Experimental Medicine and Biology
|June 10, 2018
PubMed
Summary

This study explores bioimaging techniques for mapping metal and metalloid distribution in animal tissues. It highlights methods like laser ablation-inductively coupled plasma-mass spectrometry and electron microscopy for element bioimaging.

Keywords:
BioimagingEDXLA-ICP-MSMetallomicsSEMSIMSSRXRFTEM

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Area of Science:

  • Metallomics
  • Bioimaging
  • Analytical Chemistry

Background:

  • Metallomics studies the distribution of metals and metalloids in biological systems.
  • Understanding elemental distribution is crucial for various biological processes and disease mechanisms.

Purpose of the Study:

  • To provide an overview of state-of-the-art bioimaging techniques for metallomics.
  • To present the principles and applications of elemental imaging in animal tissues.

Main Methods:

  • Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS)
  • Secondary ion mass spectrometry (SIMS)
  • Synchrotron-based X-ray fluorescence (SR-XRF)
  • Electron microscopy (TEM, SEM) with energy-dispersive X-ray spectroscopy (EDS)

Main Results:

  • The chapter details the principles of various elemental bioimaging techniques.
  • It demonstrates the qualitative and quantitative imaging of elements in diverse biological samples.
  • Applications are shown for cells and animal tissues such as brain, liver, hair, eye, teeth, and bone.

Conclusions:

  • Element bioimaging is a powerful tool for understanding metal and metalloid distribution in biological systems.
  • The discussed techniques offer comprehensive insights into elemental localization within animal tissues.