chelate

• Relativo a um composto químico em que um íon metálico se liga a uma molécula orgânica em dois ou mais pontos, formando uma estrutura em anel. Diz-se também de um agente ou ligante que forma esse tipo de ligação.

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.

   Quelato

   • 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.

   Sinônimoschelated

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.

   Quelado

   • 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.

   Sinônimoscheliferousclawed

• Substantivo que designa um composto heterocíclico no qual um íon metálico está ligado por ligações coordenadas a pelo menos dois átomos doadores não metálicos, formando uma estrutura em anel estável. Também se refere ao próprio anel ou ligação desse tipo.

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.

   Quelato

   • 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.

• Verbo usado em química para descrever a formação de um complexo quelato, em que um ligante se liga a um átomo metálico central em dois ou mais pontos.

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.

   Formar quelato

   • 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.