This formula is not exact: It assumes the current density is totally uniform in the conductor, which is not always true in practical situations. However, this formula still provides a good approximation for long thin conductors such as wires.
Deferasirox is used in the treatment of transfusional iron overload in people with thalassemia. Chelation therapy is used as a treatment for metal poisoning, including acute mercury, iron (including in cases of thalassemia), arsenic, lead, uranium, plutonium and other forms of toxic metal poisoning.
Carnosine-Metal Chelation Therapy. Many investigators believe that carnosine exerts-at least partly-its beneficial health effect due to its ability to chelate metals (Miller and O'Dowd 2000, Chez 2003).