chelate

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Related to chelates: chelate compound, EDTA, ligand, multidentate ligand, Chelate Effect

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.
References in periodicals archive ?
based chelates business as part of a strategic decision to focus on expanding its specialty chemicals position in global business areas," said Stan Sherman, president and CEO of Ciba Specialty Chemicals North America.
FDA, as well as other regulatory agencies throughout the world, published clinical and toxicological data on its amino acid chelates providing both safety and efficacy--data, which, by the way, is also available on many non-chelated inorganic sources of the same minerals.
Its Functional Chemicals unit, one of 25 business units within Akzo Nobel NV, already has chelates production facilities in Sweden and the Netherlands.
Mineral Product: Ascorbates, aspartates, chelates, citrates, gluconates, glycinates, multimineral trits, succinates, custom triturations, powders, granulates
Ferrochel[R] (ferrous bisglycinate), TRAACS[R] (The Real Amino Acid Chelate System), Calcium, Magnesium, Iron, Copper, Manganese, Zinc, Vanadium, Chromium, DimaCal[R] (diCalciumMalate), DiMagnesium Malate, CCM (Calcium Citrate Malate), Calci-K[R]Complex (calcium potassium phosphate citrate), Creatine MagnaPower[R] (magnesium creatine chelate).
A small amount of methanol was added to the PMMA/complex solution to ensure the complete dissolution of chelate.
The purpose of this study is to synthesize the iron chelate using our chemicals and test its activity against our strain of Tetrahymena vorax using the stomatin bioassay system for macrostomal induction.
Effects of supplementary mineral methionine chelates (Zn, Cu, Mn) on the performance and eggshell quality of laying hens.
While the development of new chelates is still ongoing, efforts to explore new features of existing fluorescent chelates are generating some intriguing results.
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).
You may need to try more than one--improve your soil and apply iron chelates, for example--to cure your plant.