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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

che·late

(kē'lāt),
1. To effect chelation.
2. Pertaining to chelation.
3. A complex formed through chelation.
Farlex Partner Medical Dictionary © Farlex 2012

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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

che·late

(kē'lāt)
1. To effect chelation.
2. Pertaining to chelation.
3. A complex formed through chelation.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

chelate

  1. possessing claws or pincer-like appendages.
  2. to combine with a metal ion to form a stable compound.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Chelate

A chemical that binds to heavy metals in the blood, thereby helping the body to excrete them in urine.
Mentioned in: Nephrotoxic Injury
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Keywords: Chemical and biological chelates, EDTA, DTPA, NTA and Phytoextraction.
Control diet as the basal diet contained 50 mg of supplementary Fe from FeS[O.sub.4] * 7[H.sub.2]O per kg diet: Fe-Met 100 diet and Fe-Met 200 diet contained additional 100 mg and 200 mg of Fe from Fe-methionine chelate (Fe-Met) per kg diet; FeS[O.sub.4] 100 diet and FeS[O.sub.4] 200 diet contained additional 100 mg and 200 mg of Fe from FeS[O.sub.4] * 7[H.sub.2]O per kg diet, respectively.
Streptavidin-polyvinylamine conjugates labeled with a europium chelate: applications in immunoassay, immunohistochemistry and microarrays.
As the first mineral chelate manufacturer to achieve IS09001:2008 registration, our comprehensive Quality Management System ensures traceability and consistency.
The choice between [Eu.sup.3+] and [Tb.sup.3+] depends on the availability of high-quantum yield chelates and respective acceptors.
Albion's mineral products include: chelated calcium products, Ferrochel[R] fully chelated, more bioavailable iron, several forms of Albion magnesium amino acid chelates, a totally reacted, nutritionally functional zinc bisglycinate chelate, boron, copper, chromium, manganese, potassium, selenium and vanadium.
This study was conducted to evaluate the effects of spraying of nano-iron chelate on millet-cowpea intercropping with regard to the importance of nano-chelates in improving crop yield and environmental preservation and to achieve sustainable agriculture goals.
Demand for high-quality chelates has been increasing strongly in the last couple of years and in particular following the European ban on phosphates in consumer automatic dishwasher detergents due to environmental concerns.
Therefore, research was continued with preparation of metal chelates before transferring to column and certain limited volume of chelate solution would be percolated through the column containing pure resin under the optimized conditions.
Browse 98 market data Tables and 46 Figures spread through 155 Pages and in-depth TOC on "Agricultural Chelates Market - Global trends & Forecast to 2020"