Rapid and effective protocol to measure glutathione peroxidase activity Bulletin of the National Research Centre Springer Nature Link Assay for quantitative determination of glutathione and glutathione disulfide levels using enzymatic recycling method Nature Protocols A locally activatable sensor for robust quantification of organellar glutathione Nature Chemistry Quantification of glutathione transverse relaxation time T2 using echo time extension with variable refocusing selectivity and symmetry in the human brain at 7 Tesla ScienceDirect