Red Blood Cell Elements Doctor's Data Protocol for measuring erythrocyte glutathione reductase activity coefficient to assess riboflavin status ScienceDirect A locally activatable sensor for robust quantification of organellar glutathione Nature Chemistry Response of Human Red Blood Cells to Acute and Chronic Oxidant Challenge as Observed Through the Glutathione and Glutathionyl Hemoglobin Redox Pairs In Vitro and In Vivo Glutathione Peroxidase Assay Kit (GPX Assay Kit) Cayman Chemical Genetic architecture of the murine red blood cell proteome reveals central role of hemoglobin beta cysteine 93 in maintaining redox balance ScienceDirect