Definition of chelate in English:
chelate
noun ˈkiːleɪtˈkileɪt
Chemistry A compound containing a ligand (typically organic) bonded to a central metal atom at two or more points.
Example sentencesExamples
- Organic acids have been shown to increase the solubility of minerals and form strongly bound complexes and chelates with many metal cations.
- Stability constants of organic chelates on mineral or metal surfaces are thought to approximate levels measured by solution chemistry.
- Magnesium chelates, another supplement option, are easily absorbed.
- This can be managed with timely applications of iron chelates formulated for such purposes.
- Iron chelates also can be used for foliar application.
adjective ˈkiːleɪtˈkileɪt
Zoology (of an appendage) bearing chelae.
Example sentencesExamples
- The specimen bears three chelate pereiopods, with the first much larger than the others.
- The first chelate pereiopods of galatheoids are long and often much longer than the remainder of the pereiopods.
verbˈkiːleɪtˈkileɪt
[with object]Chemistry Form a chelate with.
Example sentencesExamples
- It chemically captures, or chelates, excess iron but must be given intravenously or by injection.
- However, quinolones chelate with cations such as aluminum, magnesium, calcium, iron, and zinc.
- ALA not only may help chelate heavy metals but is important for replenishing GSH levels.
- When EDTA chelates the ions, the solution changes to the blue color of the indicator in alkaline solution.
- EDTA chelates divalent cations and thus prevents the formation of the inactive complex.
Derivatives
nounkiːˈleɪʃ(ə)n
EDTA chelation was performed to remove the superficial calcium.
Example sentencesExamples
- They can act directly by entering the redox reactions, and indirectly by chelation of iron.
- Product manufacturers have attempted to mimic this process by combining minerals with amino acids in the process of chelation.
- Metal chelation is not expensive, but it is a lengthy process.
- This results in the release of acidic pectins and methanol as well as increased cell wall rigidity and calcium chelation.
noun
Studies with these ions and chelators confirm the predictions.
Example sentencesExamples
- After the second blood sample had been collected, all patients had their iron chelation therapy switched to the other chelator.
- Organic chelators that are thought to be of recent biological origin control copper speciation in seawater.
- Studies looking at the effects of antioxidants used in conjunction with chelating agents have investigated their role as potential aids to chelators.
- However, this difference disappears upon addition of heavy metal chelators in the extracellular bath.