chelation

• 指金属离子与有机分子（如螯合剂）通过配位键结合形成环状结构的化学过程；在医学上常用于将重金属从血液中螯合排出。

A noun referring to a chemical process in which a metal ion is bound to an organic molecule, often used in medicine to remove heavy metals from the bloodstream, or in chemistry to describe the formation of a ring structure via hydrogen bonds.

不可数

1. Medical treatment for heavy metal poisoningC1formalmedical

   A medical procedure that uses a chelating agent to bind and remove toxic heavy metals like lead or mercury from the bloodstream.

   螯合疗法

   • The patient underwent chelation therapy to treat lead poisoning.
   • Doctors recommended chelation to remove excess mercury from his system.
   • Chelation is a standard treatment for severe heavy metal toxicity.

2. Chemical bonding processC2formalscientific

   A chemical process where a molecule forms a ring-like structure by creating one or more hydrogen bonds with a metal ion.

   螯合作用

   • Chelation plays a key role in stabilizing metal ions in biological systems.
   • The chelation of iron by certain proteins is essential for oxygen transport.
   • Researchers studied the chelation process to develop new catalysts.