Metabolic profiling of antigen specific CD8+ T cells by spectral flow cytometry: Cell Reports Methods Dynamics of blood NAD and glutathione in health, disease, aging and under NAD booster treatment bioRxiv Components of the Glutathione Cycle as Markers of Biological Age: An Approach to Clinical Application in Aging Enterotoxin type B Protein, S. aureus (P.pastoris, His) MedChemExpress A locally activatable sensor for robust quantification of organellar glutathione Nature Chemistry