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Chelate
(redirected from chelates)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.07 sec.
chelate /che·late/ (ke´lat)
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.
che·late (klt)
n.
A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions.
v.
1. To combine a metal ion with a chemical compound to form a ring.
2. To remove a heavy metal, such as lead or mercury, from the bloodstream by means of a chelate.
chelate adj.
che·lation n.
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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It chemically captures, or chelates, excess iron but must be given intravenously or by injection.
Getting the iron out. (Anemia) by Science News
The effect of succimer treatment to significantly increase the excretion of Pb in the urine is consistent with the action of this drug to form aqueous soluble chelates with Pb (12), as well as with a large body of clinical and laboratory evidence showing increased urinary excretion of Pb with treatment (1,17,25,26).
Oral Succimer Decreases the Gastrointestinal Absorption of Lead in ... by Smith, Donald R. / Environmental Health Perspectives
Generally, chelates improve the absorption of minerals by about five or ten percent, but they cost five times as much.
Calcium supplements: the way to go? by Liebman, Bonnie / Nutrition Action Healthletter
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