chelation
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Chelation — Chélation Complexe chélate de l EDTA avec un cation métallique La chélation (prononcer kélassion, du grec khêlê : « pince ») est un processus physico chimique au cours duquel est formé un complexe, le chélate, entre un ligand, dit… … Wikipédia en Français
chelation — n. the process of removing a heavy metal from a solution by means of a chelate; as (Med.) the treatment of lead or mercury poisoning by adding a chelating agent to the blood. [WordNet 1.5 +PJC] 2. the process of forming a ring by forming one or… … The Collaborative International Dictionary of English
Chelation — Metal EDTA chelate Chelation is the formation or presence of two or more separate coordinate bonds between a polydentate (multiple bonded) ligand and a single central atom.[1] Usually these ligands are organic compounds, and are calle … Wikipedia
Chélation — Complexe chélate de l EDTA avec un cation métallique La chélation (prononcer kélassion, du grec khêlê : « pince ») est un processus physico chimique au cours duquel est formé un complexe, le chélate, entre un ligand, dit chélateur… … Wikipédia en Français
chélation — chélateur [ kelatɶr ] adj. m. et n. m. • mil. XXe; du gr. khêlê « pince » ♦ Didact. Se dit d un corps qui a la propriété de se lier fortement et de manière plus ou moins spécifique à un ion positif bivalent et trivalent (notamment métallique)… … Encyclopédie Universelle
chelation — noun Date: 1932 1. the process of chelating or the quality or state of being chelated 2. chelation therapy … New Collegiate Dictionary
chelation — chelatinimas statusas T sritis chemija apibrėžtis Chelatinio ciklo uždarymas. atitikmenys: angl. chelation rus. хелатирование; хелатообразование … Chemijos terminų aiškinamasis žodynas
chelation — chelatodara statusas T sritis chemija apibrėžtis Chelato susidarymo reakcija. atitikmenys: angl. chelation rus. хелатообразование … Chemijos terminų aiškinamasis žodynas
chelation — noun 1. (medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning • Derivationally related forms: ↑chelate • Topics: ↑medicine, ↑medical specialty • Hypernyms: ↑ … Useful english dictionary
Chelation therapy — is the administration of chelating agents to remove heavy metals from the body. For the most common forms of heavy metal intoxication those involving lead, arsenic or mercury the standard of care in the United States dictates the use of… … Wikipedia
chelation therapy — n the use of a chelator (as EDTA) to bind with a metal (as lead or iron) in the body to form a chelate so that the metal loses its toxic effect or physiological activity * * * the use of a chelating agent to remove toxic metals from the body,… … Medical dictionary
