A procedure for capillary electrophoresis electrospray ionization mass spectrometry for the absolute quantitation of inositol pyrophosphates from mammalian cell extracts is described.
Qiu, D., Eisenbeis, V. B., Saiardi, A., Jessen, H. J. Absolute Quantitation of Inositol Pyrophosphates by Capillary Electrophoresis Electrospray Ionization Mass Spectrometry. J. Vis. Exp. (174), e62847, doi:10.3791/62847 (2021).