Establishing 18O-Labeled Inositol Phosphates for Quantitative Capillary Electrophoresis-Mass Spectrometry: Fragmentation Pathways and Comparison with 13C-Labeled Analogs

Liu G, Dürr-Mayer T, Lu M, Jessen HJ.

Anal Chem. 2025; doi: 10.1021/acs.analchem.5c05114.

We compare 18O labeled inositol phosphates with their 13C labeled analogues for quantitative mass spectrometry.