Chelation
chelation
chelation (kē·lāˑ·sh
n),
chelation (kēlā´sh
n),
The process by which a molecule encircles and binds to a metal and removes it from tissue.
Mentioned in: Heavy Metal Poisoning
chelation
[kēlā′shən]
a chemical reaction in which there is a combination with a metal to form a ring-shaped molecular complex in which the metal is firmly bound and isolated. See also chelating agent.
chelation (kē·lāˑ·sh
n),n 1. medical treatment in which heavy metals are flushed from the bloodstream by means of a chelator that binds metal ions; used in cases of mercury or lead poisoning.
2. the process of ring formation by forming one or more hydrogen bonds.
2. the process of ring formation by forming one or more hydrogen bonds.
chelation (kēlā´sh
n),n chemical reaction of a metallic ion (e.g., calcium ion) with a suitable reactive compound (e.g., ethylenediamine tetra-acetic acid) to form a compound in which the metal ion is tightly bound.
chelation therapy,
n the use of a chelating agent to bind firmly and sequester metallic poisons.
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