To combine a metal with another compound.
To treat someone with a chelating agent in order to remove a heavy metal such as lead from the bloodstream.
A combination of metal ions chemically held within a ring of heterocyclic structures by bonds from each of these structures to the metal. Iron is held by heme in this fashion as part of the hemoglobin structure.
ln chemistry, to grasp a metallic ion in a ring-shaped molecule.
A substance that attaches itself to heavy metals present in the bloodstream, aiding the body in eliminating them through urine.