chelate

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chelate

 [ke´lāt]
1. to combine with a metal in complexes in which the metal is part of a ring.
2. by extension, a chemical compound in which a metallic ion is sequestered and firmly bound into a ring within the chelating molecule. Chelates are used in chemotherapy of metal poisoning.

che·late

(kē'lāt),
1. To effect chelation.
2. Pertaining to chelation.
3. A complex formed through chelation.

chelate

/che·late/ (ke´lāt)
1. to combine with a metal in complexes in which the metal is part of a ring.
2. by extension, a chemical compound in which a metallic ion is sequestered and firmly bound into a ring within the chelating molecules. Chelates are used in chemotherapy of metal poisoning.

chelate

(kē′lāt′)
adj. Zoology
Having chelae or resembling a chela.
n. Chemistry
A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions.
tr.v. che·lated, che·lating, che·lates
1. Chemistry To combine (a metal ion) with a chemical compound to form a ring.
2. Medicine To remove (a heavy metal, such as lead or mercury) from the bloodstream by means of a chelate, such as EDTA.

che′lat·a·ble adj.
che·la′tion n.
che′la′tor n.

chelate

[kē′lāt]
Etymology: Gk, chele, claw
1 v, to form a bond, thus creating a ringlike complex. An example is the interaction of a metal ion and two or more polar groups of a single molecule.
2 n, (in medicine) any coordination compound composed of a central metal ion and an organic molecule with multiple bonds arranged in ring formations, used especially in chemotherapeutic treatments for metal poisoning.
3 adj, pertaining to chelation.

che·late

(kē'lāt)
1. To effect chelation.
2. Pertaining to chelation.
3. A complex formed through chelation.

chelate

  1. possessing claws or pincer-like appendages.
  2. to combine with a metal ion to form a stable compound.

Chelate

A chemical that binds to heavy metals in the blood, thereby helping the body to excrete them in urine.
Mentioned in: Nephrotoxic Injury

chelate

to combine with a metal in complexes in which the metal is part of a ring; by extension, a chemical compound in which a metallic ion is sequestered and firmly bound into a ring within the chelating molecule. Chelates are used in treatment of metal poisoning.
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