chelate


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to chelate: EDTA, Chelate Effect

che·late

 (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·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.

chelate

(ˈkiːleɪt)
n
(Chemistry) chem a coordination compound in which a metal atom or ion is bound to a ligand at two or more points on the ligand, so as to form a heterocyclic ring containing a metal atom
adj
1. (Zoology) zoology of or possessing chelae
2. (Chemistry) chem of or denoting a chelate
vb
(Chemistry) (intr) chem to form a chelate
[C20: from chela1]

che•late

(ˈki leɪt)

adj., n., v. -lat•ed, -lat•ing. adj.
1. of or noting a heterocyclic compound having a central metallic ion attached by covalent bonds to two or more nonmetallic atoms in the same molecule.
2. having a chela or chelae.
n.
3. a chelate compound.
v.i.
4. (of a heterocyclic compound) to form a chelate in a reaction.
v.t.
5. to combine (an organic compound) with a metallic ion to form a chelate.
[1820–30]
che′lat•a•ble, adj.
che′la•tor, n.

chelate


Past participle: chelated
Gerund: chelating

Imperative
chelate
chelate
Present
I chelate
you chelate
he/she/it chelates
we chelate
you chelate
they chelate
Preterite
I chelated
you chelated
he/she/it chelated
we chelated
you chelated
they chelated
Present Continuous
I am chelating
you are chelating
he/she/it is chelating
we are chelating
you are chelating
they are chelating
Present Perfect
I have chelated
you have chelated
he/she/it has chelated
we have chelated
you have chelated
they have chelated
Past Continuous
I was chelating
you were chelating
he/she/it was chelating
we were chelating
you were chelating
they were chelating
Past Perfect
I had chelated
you had chelated
he/she/it had chelated
we had chelated
you had chelated
they had chelated
Future
I will chelate
you will chelate
he/she/it will chelate
we will chelate
you will chelate
they will chelate
Future Perfect
I will have chelated
you will have chelated
he/she/it will have chelated
we will have chelated
you will have chelated
they will have chelated
Future Continuous
I will be chelating
you will be chelating
he/she/it will be chelating
we will be chelating
you will be chelating
they will be chelating
Present Perfect Continuous
I have been chelating
you have been chelating
he/she/it has been chelating
we have been chelating
you have been chelating
they have been chelating
Future Perfect Continuous
I will have been chelating
you will have been chelating
he/she/it will have been chelating
we will have been chelating
you will have been chelating
they will have been chelating
Past Perfect Continuous
I had been chelating
you had been chelating
he/she/it had been chelating
we had been chelating
you had been chelating
they had been chelating
Conditional
I would chelate
you would chelate
he/she/it would chelate
we would chelate
you would chelate
they would chelate
Past Conditional
I would have chelated
you would have chelated
he/she/it would have chelated
we would have chelated
you would have chelated
they would have chelated
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chelate - a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions
heterocycle, heterocyclic, heterocyclic compound - a compound containing a heterocyclic ring
Verb1.chelate - form a chelate, in chemistry
form, constitute, make - to compose or represent:"This wall forms the background of the stage setting"; "The branches made a roof"; "This makes a fine introduction"
Adj.1.chelate - relating to or characterized by chelation
2.chelate - having or resembling chelae or claws
Translations
chélate
References in periodicals archive ?
Tenders are invited for trace elements in the chelate form: liquid trace elements, made on the basis of chelates of metal elements of copper, zinc, boron, manganese in organomineral form with or without addition of growth regulators of hydrohumine, hydrohumate or other humic substances for open ground
The resulting IDA functionalized metal-chelating material was able to chelate iron and copper, and had antioxidant efficacy against ascorbic acid degradation, supporting its potential to be used synergistically with natural antioxidants to preserve foods and beverages.
EDTA chelate isolates metal ions, such as calcium ions and ferrous ions, and forms weak bonds with metal nutrients, such as zinc, iron, and copper.
Did we chelate metals that had been deposited in organ systems or did we bind metals that we ingested through food, water, medicine or that we inhaled at the workplace, on busy streets?
Figure 1 demonstrate that the addition of increased volumes of hexane leaf extract and EDTA as a standard induces a significant (p [less than or equal to] 0,01) decrease dose-dependent in the optical density at 562 nm compared to the control suggesting that the hexane extract possesses a high capacity to iron chelate where the absorbance obtained decreased to a lesser extent 0,2 [+ or -] 0,011 compared to the EDTA (standard chelator) 0,04 [+ or -] 0,013.
Moreover also recent in vitro data evidence that NAC may chelate and form conjugates with cobalt [21].
Meanwhile the mass spectral data revealed the fragmentations of the Schiff base anthranilic acid and their Ni(II) mixed ligand chelate has been preformed the only chelate conducted for justification.
The method entails providing an article that has been contacted with a triglyceride sunscreen component; washing the article; rinsing the article; drying the article; and a phosphonic acid chelating agent to competitively chelate with the sunscreen components to reduce or eliminate strong metal complexes formed by the sunscreen components, during or prior to or after the article is laundered in the washing step.
The study was conducted to compare the absorption characteristics of iron glycine chelate (Fe-Gly) and ferrous sulfate (FeSO4) in Caco-2 cells.
The simplest method by which one can dope or disperse a rare earth chelate is to blend the polymeric host matrix and the rare earth chelate directly.
3+] ion or iron chelate may start lipid peroxidation reactions in the presence of a [Fe.
In our previous study, we reported that chelation or coordination reduced the polarity of the metal ion by partial sharing of its positive charge with the donor groups and possibly p-electron delocalization within the whole chelate ring.