Pentetic acid
Pentetic Acid
Pentetic Acid (pronunciation: pen-tet-ic acid), also known as DTPA (Diethylene Triamine Pentaacetic Acid), is a polyamino carboxylic acid consisting of a diethylenetriamine backbone with five carboxymethyl groups. The molecule can be viewed as an amino acid analogue of EDTA (Ethylenediaminetetraacetic acid). It is one of the strongest chelating agents known.
Etymology
The term "Pentetic Acid" is derived from the Greek word "pente", meaning five, and "tetra", meaning four. This refers to the five carboxymethyl groups and the diethylenetriamine backbone in the structure of the molecule.
Usage
Pentetic Acid is used in medicine for its chelating properties. It has the ability to bind to metal ions, which allows it to be used in the treatment of radioactive contamination. It can also be used in MRI (Magnetic Resonance Imaging) as a contrast agent.
Related Terms
- Chelation Therapy: A medical procedure that involves the administration of chelating agents to remove heavy metals from the body.
- Contrast Agent: A substance used to increase the contrast of structures or fluids within the body in medical imaging.
- Radioactive Contamination: The deposition of, or presence of radioactive substances on surfaces or within solids, liquids or gases.
External links
- Medical encyclopedia article on Pentetic acid
- Wikipedia's article - Pentetic acid
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