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Dictionary » C » Chelate

Chelate

Definition

noun, plural: chelates

(chemistry) A complex formed through chelation.

‘’adjective’’

(chemistry)

(1) Of or pertaining to chelation.

(2) Of or pertaining to a compound having a cyclic structure as a result of the formation of one or more hydrogen bonds in the same molecule.

(3) Of, or pertaining, to a heterocyclic compound with a central metallic ion attached to two or more nonmetallic ions through covalent bonds in the same molecule.

(zoology) Having or resembling a chela or chelae.

‘’verb’’

(chemistry) To combine a metallic ion with a chemical compound to form a ring.

(medicine) To remove a heavy metal from the bloodstream by means of chelation.


Supplement

Word origin: from Greek chele, meaning claw.

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Phytochelatin Synthase and chelation

... acid and cysteine. Most organisms in general do not utilize heavy metals, infact they are quiet toxic especially to humans and plants. Plants chelate the heavy metals to keep them from disrupting and competing with other essential metals such as Ca+/Na+ transport channels. http://www.healthatoz.com/healthatoz/Atoz/common/standard/transform.jsp?requestURI=/healthatoz/Atoz/ency/heavy_metal_poisoning.jsp ...

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by vietknight
Tue Dec 02, 2008 1:37 am
 
Forum: Botany Discussion
Topic: Phytochelatin Synthase and chelation
Replies: 2
Views: 951

Re: inactive enzyme after purification with Ni-TED

... your bound protein off the column, but you may also be removing the metal from the protein at the same time. Third, the nickel resin itself can chelate metal ions. If that’s all that’s happened to your protein, I would think just replenishing the Mn by adding fresh MnCl2 (or whatever Mn salt ...

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by blcr11
Sat May 03, 2008 9:32 pm
 
Forum: Molecular Biology
Topic: inactive enzyme after purification with Ni-TED
Replies: 3
Views: 686

Can any one clarify my question with DNA

... why is the pH adjusted to 8?" Now as a beginning of an answer: NaCl is used to prevent the co-precipitation of DNA and CTAB. EDTA is used to chelate divalent cations, which are necessary (among other things) for proper DNASe activity Tris is a Buffer CTAB is a cationic detergent that precicpitates ...

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by canalon
Fri Mar 14, 2008 3:25 pm
 
Forum: Molecular Biology
Topic: Can any one clarify my question with DNA
Replies: 2
Views: 568

The Fiber Disease

... It prepares minerals to react with cells and allows minerals to inter-react with one another, breaking them down into the simplest ionic form, chelated by the fulvic acid electrolytes. Transports Nutrients Fulvic acid readily complexes with minerals and metals making them available to plant ...

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by codon blue
Sun Dec 24, 2006 12:57 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748680

The Fiber Disease

from msc to serenity we believe alot of your theory to a certan extent. the chemicals in renova 0.05% are lead to iron and metal oxides, istopes, chelate agents, toxic vapors, the bacteriorhodopsin used in retinoids has been estasblished for us by a major med. publications and univ of arizona, ...

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by msc
Thu Dec 14, 2006 3:41 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748680
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