Recent development in liquid chromatography/mass spectrometry and emerging technologies for metabolite identification

Area of Science:

• Analytical Chemistry
• Pharmacology
• Biochemistry

Background:

• Metabolism studies are vital in drug discovery and development.
• Active metabolites significantly influence toxicological profiles, efficacy, and new drug candidate design.
• Liquid chromatography/mass spectrometry (LC/MS) is a primary analytical technique for metabolite identification.

Purpose of the Study:

• To comprehensively review mass spectrometry-based techniques for metabolism studies.
• To discuss classical and novel MS technologies and data processing strategies.
• To highlight advancements in metabolite identification and characterization.

Main Methods:

• Review of classical mass spectrometry techniques (low and high resolution MS).
• Discussion of post-acquisition data processing and mining modes (e.g., precursor ion filtering, mass defect filter).
• Exploration of novel MS technologies (e.g., ambient ionization, ion mobility MS, imaging MS).

Main Results:

• Detailed description of various mass spectrometry instruments and their applications in metabolism research.
• Explanation of data processing techniques for enhanced metabolite identification.
• Introduction to emerging MS technologies with potential for future metabolism studies.

Conclusions:

• Mass spectrometry, particularly LC/MS, remains a cornerstone of metabolism studies.
• Continuous technological advancements are improving sensitivity and enabling analysis in complex samples.
• Novel MS techniques offer promising avenues for future drug discovery and development.