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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Results from our forum


Re: Cadherins

... Basically without bound calcium the cadherin is not stiff enough. My question revolves around what happens if you chelate extracellular calcium with EDTA or citrate. Does that inhibit the action of cadherins and, if so, what Ca2+ concentration is the threshold below ...

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by MrMistery
Wed Dec 16, 2009 2:01 am
 
Forum: Cell Biology
Topic: Cadherins
Replies: 2
Views: 1974

Cadherins

... whether the Ca2+ required is intracellular, extracelluar, or a bit of both (I am guessing both). My question revolves around what happens if you chelate extracellular calcium with EDTA or citrate. Does that inhibit the action of cadherins and, if so, what Ca2+ concentration is the threshold below ...

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by Hodag
Tue Dec 15, 2009 10:34 pm
 
Forum: Cell Biology
Topic: Cadherins
Replies: 2
Views: 1974

dna architecture and chelates

what is DNA architecture? and what sort of chelate are involved in DNA? can anyone tell me the links regarding this information? plz..

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by choozi
Sat Oct 10, 2009 12:06 pm
 
Forum: Molecular Biology
Topic: dna architecture and chelates
Replies: 2
Views: 1083

Metal chelate chromatography

Hi all, is there anybody with experience with metal chelate chromatography ( immobilized metal ion affinity chromatography , IMAC ). I wished to try it as one (or more) step(s) in my purification protocol and tried to study in the 2nd edition of Protein ...

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by JackBean
Mon Sep 14, 2009 8:05 pm
 
Forum: Cell Biology
Topic: Metal chelate chromatography
Replies: 0
Views: 1355

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: 3179
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