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Related to chelator: chelate compound, EDTA, Chelant


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·lat·ed, che·lat·ing, 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.


an organic chemical that bonds with metal ions and produces a chelate compound
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References in periodicals archive ?
The weak chelators aren't necessarily safe either, since a chelator doesn't just work by itself or with a piece of metal, but within an individual human body endowed with its own and already preexisting strengths and weaknesses, including those of the excretory organs.
To test these claims, the Respiratory Toxicology Group has exposed rats to concentrations of mercury vapor that lead to high concentrations in the brain, and then treated them with various combinations of glutathione and vitamin C and with 2,3-dimercapto-propane-1-sulphonate, a chelator that is known to reduce the amount of mercury in the body.
DMSA or Meso-2,3-dirnercaptosuccinic acid has been used as a heavy metal chelator since the 1950s, and was extensively researched in the People's Republic of China, Japan, and Russia before it spread to Europe and the USA.
In this study, we hypothesized that in addition to the well-investigated molecular mechanisms for iron and the action of an iron chelator, DFO, their activity may be associated with regulating intracellular calcium.
In the zinc or copper chelating assay, the chelator were able to capture the ions and inhibit the formation of [Zn.
It is a powerful, recoverable and comparatively biostable chelator which has the ability to remediate the metal affected soils (Meers et al.
Morphological evidence of ototoxicity of the iron chelator deferoxamine.
It is reported in some recent studies that a naturally present flavolignan and Silybin extracted from the fruits of silibiummarianum possess some antioxidant and radical scavenging abilities that works as an iron chelator (Borsari et al.
If only the fast-acting chelator, BAPTA, can inhibit exocytosis and synaptic transmission, but the slow chelator EGTA cannot, tight coupling is at work, while in loose coupling, both fast and slow chelators can inhibit transmission.
We compared 2 NTBI assays: a labile plasma iron (LPI) assay that uses desferrioxamine as the iron chelator (3) and a microwell modification of a bleomycin-detectable iron (BDI) assay (2).
8) As divalent metals are needed to make the dimeric structure more stable, a chelator agent would affect the activity of such enzymes.