chelation
noun Date: 1932 1. the process of chelating or the quality or state of being chelated 2. chelation therapy

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • 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 — 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 — a method of binding or locking up metal ions, used in water treatment in aquaria …   Dictionary of ichthyology

  • chelation — Binding of a metal ion by a larger molecule such as EDTA or protein (iron in haem is held as a chelate). The binding is strong but reversible and chelating agents can be used to buffer the free concentration of the ion in question …   Dictionary of molecular biology

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