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Related Concept Videos

Mass Spectrometry: Complex Analysis01:21

Mass Spectrometry: Complex Analysis

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Mass spectrometry is an important technique for the identification of pure compounds. However, it has some limitations for the analysis of complex mixtures, often due to excessive fragmentation making the spectrum too complicated to decipher. Mass spectrometry can be combined with suitable separation methods in sequence, forming hyphenated methods, which are useful in the analysis of complex mixtures.
GC–MS is a powerful hyphenated method commonly used in forensics and environmental...
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Peptide Identification Using Tandem Mass Spectrometry01:33

Peptide Identification Using Tandem Mass Spectrometry

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Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
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Related Experiment Video

Updated: Sep 5, 2025

Expanding the Comprehension of the Tumor Microenvironment using Mass Spectrometry Imaging of Formalin-Fixed and Paraffin-Embedded Tissue Samples
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Next-generation pathology practices with mass spectrometry imaging.

Hsin-Hsiang Chung1, Penghsuan Huang1, Chih-Lin Chen1

  • 1Department of Chemistry, National Taiwan University, Taipei City, Taiwan.

Mass Spectrometry Reviews
|July 11, 2022
PubMed
Summary

Mass spectrometry imaging (MSI) advances pathology research by mapping molecules in tissues. This review covers MSI techniques and their applications in disease diagnosis, microbiology, and drug discovery for future pathology practices.

Keywords:
clinicaldisease diagnosismass spectrometry imagingpathology

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Area of Science:

  • Biomedical Imaging
  • Analytical Chemistry
  • Pathology

Background:

  • Mass spectrometry imaging (MSI) is a key technology for visualizing molecular distribution in biological samples.
  • Its application in pathology-related research is extensive and growing.

Purpose of the Study:

  • To review common Mass spectrometry imaging techniques and their pathological applications.
  • To highlight advancements in MSI data handling, chemical coverage, and molecular identification.
  • To demonstrate MSI's potential in next-generation pathology.

Main Methods:

  • Review of matrix-assisted laser desorption/ionization (MALDI) and desorption electrospray ionization (DESI) MSI.
  • Discussion of MSI applications in disease diagnosis, microbiology, and drug discovery.
  • Analysis of MSI improvements focusing on data accumulation, chemical scope, and molecule identification.

Main Results:

  • MSI techniques like MALDI and DESI are versatile tools in pathology.
  • Improvements in data handling and molecular identification are enhancing MSI capabilities.
  • MSI shows significant potential for integration into clinical pathology.

Conclusions:

  • Mass spectrometry imaging is a powerful and evolving technique for pathology.
  • Ongoing advancements are expanding its utility in disease diagnosis and drug discovery.
  • MSI is poised to become an integral part of future pathology practices.