chelation

Noun

Meaning

the process of forming a ring by forming one or more hydrogen bonds

(medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning

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Examples

At St. Christopher’s Hospital for Children, Dean spent the next three days getting chelation therapy, a treatment used in cases of severe lead poisoning. Source: Internet

The salt is effectively removed by chelation with tetraethylethylene diamine (TEEDA) resulting in an enantiomeric excess of 92%. Source: Internet

One consequence of the lower reactivity of complexed metals compared to the same concentration of free metal is that the chelation tends to stabilize metals in the aqueous solution instead of in solids. Source: Internet

The chelation prevents accumulation of radioactive samarium in the body that would result in excessive irradiation and generation of new cancer cells. Source: Internet

This binds copper ( chelation ) and leads to excretion of copper in the urine. Source: Internet

Toxicity studies in rodents, however show that chelation of gadolinium (which also improves its solubility) decreases its toxicity with regard to the free ion by at least a factor of 100 (i. Source: Internet

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