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Published on: November 2, 2012
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Advances in metal-DOTA/DTPA complexes for mass cytometry
Yin-Feng Wang1, Wenying Wu1, Guojun Han1
1Institute of Advanced Clinical Medicine, Biomedical Engineering Department, International Cancer Institute, Peking University, Beijing 100083, China. wangyf10@bjmu.edu.cn.
The Analyst
|August 7, 2025
Summary
Mass cytometry uses stable isotopes instead of fluorophores for high-resolution single-cell analysis. Metal-DOTA/DTPA complexes are key reagents, offering stability and versatile conjugation for advanced applications.
Area of Science:
- Biotechnology
- Analytical Chemistry
- Immunology
Background:
- Mass cytometry offers high-resolution, high-throughput single-cell analysis.
- It overcomes spectral limitations of flow cytometry using stable isotope tags.
- Metal-chelating complexes like DOTA/DTPA are crucial mass tag reagents.
Purpose of the Study:
- To review mass tag reagent mechanisms and metal-DOTA/DTPA complex design.
- To classify DOTA/DTPA-based reagents.
- To explore their applications in mass cytometry.
Main Methods:
- Review of mass tag reagent working principles.
- Analysis of metal-DOTA/DTPA complex design and properties.
- Classification of DOTA/DTPA-based reagents (polymers, microbeads, small molecules).
Main Results:
- DOTA/DTPA chelators provide thermodynamic stability and kinetic inertness.
- These chelators exhibit versatile conjugation chemistry for reagent development.
- Diverse DOTA/DTPA-based reagents are suitable for mass cytometry.
Conclusions:
- Metal-DOTA/DTPA complexes are essential for advanced mass cytometry.
- Their stability and conjugation versatility enable robust single-cell analysis.
- This review provides a comprehensive overview of these reagents and their applications.
