Quantitative Detection of Nitroxyl Upon Trapping with Glutathione and Labeling with a Specific Fluorogenic Reagent ScienceDirect Reactive Metabolite Assessment Cyprotex ADME Tox Solutions Evotec Metabolite characterization of ambrisentan, in in vitro and in vivo matrices by UHPLC QTOF MS MS: Detection of glutathione conjugate of epoxide metabolite evidenced by in vitro GSH trapping assay ScienceDirect Rapid and effective protocol to measure glutathione peroxidase activity Bulletin of the National Research Centre Springer Nature Link The Key Role of GSH in Keeping the Redox Balance in Mammalian Cells: Mechanisms and Significance of GSH in Detoxification via Formation of Conjugates GSSG Application