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Updated: Aug 23, 2026

Applications of Liquid-Chromatography Tandem Mass Spectrometry in Natural Products Research: Tropane Alkaloids as a Case Study
Published on: March 8, 2024
Techniques: the application of accelerator mass spectrometry to pharmacology and toxicology
1MRC Molecular Endocrinology Group, Dept of Cancer Studies and Molecular Medicine, University of Leicester, Leicester LE2 7LX, UK. iw6@le.ac.uk
Abstract:
The exquisite sensitivity of accelerator mass spectrometry (AMS) is being used in biomedical applications to quantitate many isotopes, including 14C, 3H, 41Ca and 27Al, at attomole (10(-18)) concentrations. This enables compounds and metabolites to be measured in human urine and plasma after administration of low pharmacologically or toxicologically relevant doses of labelled chemicals and drugs. The detection of modified proteins or DNA in target organs after dosing with potential carcinogens has also been achieved in many studies. Advances aimed at increasing sample throughput and expanding applications by coupling AMS instruments directly to chromatographic separation systems are currently underway.
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