Advanced chemical analysis techniques provide detailed elemental and molecular insights into biological tissues. These physical methods offer new possibilities for biomedical research and histochemical elemental analysis.
Area of Science:
Biomedical research
Analytical chemistry
Materials science
Background:
Chemical analysis in biomedical research is increasingly reliant on physical principles and advanced measurement techniques.
These methods complement traditional histochemical procedures for elemental analysis.
Subcellular microvolume analysis presents unique challenges and opportunities.
Purpose of the Study:
To review physical methods for chemical analysis in biomedical research.
To discuss the application of these techniques for elemental and molecular mapping in biological tissues.
To evaluate the information content, performance metrics, applications, and limitations of various analytical methods.
Main Methods:
Electron-probe X-ray microanalysis (EPXMA)
Auger electron spectrometry (AES)
Cathodoluminescence analysis (CL)
Electron diffraction (ED)
Secondary ion mass spectrometry (SIMS)
Electron spectrometry for chemical analysis (ESCA)