EDTA

Thân thiện

Definition

1. Noun:
   • A synthetic chemical compound: EDTA is an abbreviation for ethylenediaminetetraacetic acid. It is a man-made, complex organic molecule.
   • A chelating agent: Its primary function is to bind tightly to metal ions (such as calcium, lead, or iron) in solution, forming stable, water-soluble complexes. This process is called chelation.

Usage

• EDTA is used in specific medical treatments to remove toxic heavy metals, like lead or mercury, from the body.
• It is also widely used in industrial and laboratory settings, such as in food preservation, water treatment, and as an anticoagulant in blood collection tubes.

Examples

• Noun:
  • The doctor administered EDTA to treat the patient's lead poisoning.
  • EDTA is added to some salad dressings to preserve color by binding to trace metals.
  • Blood samples are often collected in tubes containing EDTA to prevent clotting.

Advanced Usage

• "EDTA chelation therapy": A medical treatment that uses EDTA to remove heavy metals from the bloodstream.
  • The patient underwent EDTA chelation therapy for heavy metal toxicity.

Variants and Related Words

• Chelate (verb/noun): To combine with a metal ion to form a chelate; or the complex so formed.
  • The molecule can chelate calcium ions.
• Chelating agent (noun): A substance like EDTA that binds to metal ions.
  • EDTA is a powerful chelating agent.

Synonyms

• Ethylenediaminetetraacetic acid: The full chemical name.
• Sequestering agent: Another term for a compound that binds and isolates metal ions.

Related Phrases

• "Bound by EDTA": Describes a metal ion that has been captured by the EDTA molecule.
  • The lead in the solution was effectively bound by EDTA.
• "EDTA solution": A common way to refer to EDTA prepared in liquid form for use.
  • The laboratory protocol requires a 0.5 M EDTA solution.

Học thuật

Noun

1. a complex molecule used medically to chelate metal ions in cases of lead or heavy metal poisoning

Từ đồng nghĩa

• ethylenediaminetetraacetic acid
• EDTA