Recent Advancement of Matrix-Assisted Laser Desorption Ionization Mass Spectrometry for Biomedical Applications

Area of Science:

• Analytical Chemistry
• Biomedical Science
• Materials Science

Background:

• High sensitivity, resolution, and rapidity in Laser Desorption Ionization Mass Spectrometry (LDI MS) have spurred its use in biomedical analysis.
• Matrix materials are key to LDI MS performance, influencing its application scope.

Purpose of the Study:

• To review recent matrix materials for LDI MS.
• To provide a comprehensive overview of LDI MS applications in biomedical fields.
• To discuss challenges and future perspectives in LDI MS-based biomedical analysis.

Main Methods:

• Review of recent literature on LDI MS matrix materials.
• Emphasis on synthesis methods, analytical mechanisms, and applications of diverse matrix materials (organic, carbon-based, silicon-based, metal, organic frameworks).
• Summarization of LDI MS utility in small molecule detection, biological macromolecule analysis, and microbial identification.

Main Results:

• Various matrix materials, including organic molecules, carbon-based materials, silicon-based materials, metal particles and oxides, and organic frameworks, have been developed for LDI MS.
• LDI MS has demonstrated significant value in detecting small molecules, analyzing biological macromolecules, and identifying microbes.
• The review highlights the synthesis, mechanisms, and applications of these matrices.

Conclusions:

• LDI MS, empowered by advanced matrix materials, is a valuable tool for modern biomedical analysis.
• The technique shows promise for small molecule detection, macromolecule analysis, and microbial identification.
• Further research addressing current challenges is expected to enhance LDI MS's pivotal role in advancing human health.