Today's Paper of the Day is: Physiology and pathophysiology of mucus and mucolytic use in critically ill patients Join us to read 1 paper per day and stay up to date as we cover Preparation of Sulfur Functional Groups Course Hero Glutaredoxin catalysis requires two distinct glutathione interaction sites Nature Communications Mechanistic insights on the reduction of glutathione disulfide by protein disulfide isomerase PNAS Disulfide bond formation by exported glutaredoxin indicates glutathione's presence in the E. coli periplasm PNAS Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation