Glutathione reduced Sigma Aldrich The glutathione peroxidase Gpx4 prevents lipid peroxidation and ferroptosis to sustain Treg cell activation and suppression of antitumor immunity: Cell Reports Harnessing the Mechanism of Glutathione Reductase for Synthesis of Active Site Bound Metallic Nanoparticles and Electrical Connection to Electrodes Journal of the American Chemical Society Comprehensive elucidation of glutathione import in Escherichia coli bioRxiv Measurement of superoxide dismutase, catalase and glutathione peroxidase in cultured cells and tissue Nature Protocols Sigma Aldrich Glutathione Peroxidase from bovine erythrocytes, CAS 9013 66 5, lyophilized powder, 300 units mg protein 100 units