chelate

• Se dit d'un composé chimique dans lequel un ion métallique est lié à une molécule organique en deux points ou plus, formant une structure cyclique. Qualifie également l'agent qui forme un tel complexe.

Relating to a chemical compound in which a metal ion is bonded to an organic molecule at two or more points, forming a ring structure.

1. Relating to chelationC1formalscientific

   Describing a chemical compound or process where a central metal ion is bonded to a larger organic molecule (ligand) at two or more points, forming a ring-like structure.

   chélatant (relatif à la chélation)

   • The chelate complex is more stable than a non-chelated one.
   • Chelate compounds are used in medical treatments for heavy metal poisoning.
   • The formation of a chelate ring is a key step in this reaction.

   Synonymeschelated

2. Having or resembling clawsC2formalscientific

   Possessing or shaped like a chela, which is a pincer-like claw, as found on some arthropods like crabs and scorpions.

   pourvu de pinces

   • The chelate appendages of the scorpion are used for grasping prey.
   • The fossil showed distinct chelate structures on its front limbs.
   • The chelate pincers of the crab are powerful tools for defense.

   Synonymescheliferousclawed

• Nom désignant un composé hétérocyclique dans lequel un ion métallique est lié par des liaisons de coordination à au moins deux atomes ou ions non métalliques, formant une structure cyclique stable.

A noun referring to a heterocyclic compound in which a metal ion is bonded by coordinate bonds to at least two nonmetal ions, forming a stable ring structure.

1. Chemical compoundC2formalscientific

   A heterocyclic compound in which a metal ion is bonded by coordinate bonds to at least two nonmetal ions, forming a stable ring structure.

   chélate (composé chimique)

   • The chelate formed between the metal and the ligand is highly stable.
   • Scientists synthesized a new chelate for use in medical imaging.
   • The chelate structure prevents the metal from reacting with other substances.

• Verbe utilisé en chimie pour décrire la formation d'un complexe chélaté, où un ligand se lie à un atome métallique central en deux points ou plus.

A verb used in chemistry to describe the formation of a chelate complex, where a ligand binds to a central metal atom at two or more points.

1. Form a chelateC2formalscientific

   To form a stable complex in which a metal ion is bonded to a ligand at two or more points, creating a ring-like structure.

   Chélater

   • The EDTA molecule can chelate calcium ions in hard water.
   • In biological systems, certain proteins chelate essential metal ions.
   • The chemist demonstrated how the ligand chelates the copper atom.