ethylenediaminetetraacetic acid


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EDTA

ethylenediaminetetraacetic acid: a colorless compound, C10H16N2O8, capable of chelating a variety of divalent metal cations: used in food preservation, as an anticoagulant, and in the treatment of heavy-metal poisonings.
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Noun1.ethylenediaminetetraacetic acid - a complex molecule used medically to chelate metal ions in cases of lead or heavy metal poisoning
molecule - (physics and chemistry) the simplest structural unit of an element or compound
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A Chelation therapy is used to remove heavy metals, such as mercury, arsenic, and lead, from the body with a solution such as ethylenediaminetetraacetic acid (EDTA), which is usually administered intravenously.
The extracts demonstrated moderate metal chelating activities compared to ethylenediaminetetraacetic acid. EE had the highest chelating activities, with an S[C.sub.50] value of 0.453[+ or -]0.007 mg/mL, whereas AE had the lowest activities, with an S[C.sub.50] value of 0.909[+ or -]0.006 mg/mL.
Cardiac pinhole into ethylenediaminetetraacetic acid and non-heparin containing test tubes used for blood samples for hematological and biochemical investigation correspondingly.
Following preparation, the specimens were flushed with 5.25% sodium hypochlorite, treated with 17% Ethylenediaminetetraacetic acid SmearClearA(r) (SybronEndo, Orange, CA, USA), and finally rinsed with 0.9% sterile saline.
One specimen from each group was immersed in the following three irrigation solutions for 24 hours: distilled water, 5% sodium hypochlorite (NaOCl) solution (Wizard, Ankara, Turkey) or 17% ethylenediaminetetraacetic acid (EDTA) (Werax, Ankara, Turkey).
While in dogs the PCV values were higher when samples were collected in tubes containing heparin, in Amazon parrots the PCV was higher when ethylenediaminetetraacetic acid (EDTA) was used as the anticoagulant.
All samples were anticoagulated with ethylenediaminetetraacetic acid. Whole-blood Tac concentration levels were measured using a fluorescence polarization immunoassay on an AxSYM analyzer (Abbott Diagnostic, Chicago, IL, USA).
To inhibit metalloprotease activity, 0.5 M ethylenediaminetetraacetic acid (EDTA) disodium salt dissolved in distilled water was used.
Blood samples (3.0 ml) were collected on days 8 and 15 into tri-potassium ethylenediaminetetraacetic acid containers and analyzed using an hematological autoanalyzer (Sysmex KX-21N) following manufacturer's guidelines.
Scientists at Cornell University have synthesized metal-chelating active packaging films, with the aim of removing the synthetic additive ethylenediaminetetraacetic acid (EDTA).

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