Exchange of iodide (iodine ions) between bloodstream and cells is crucial for the health of several organs and its malfunctioning is linked to goiter, hypo- and hyperthyroidism, breast cancer, and gastric cancer. Researchers at the Center for Self-Assembly and Complexity, within the Institute for Basic Science (IBS) have devised nanostructures that function as channels for iodide transport in cell membranes. This study, published in the Journal of the American Chemical Society (JACS), may lead to diagnosis and treatment of iodide transport disorders.