Evans blue


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Evans blue

 [ev´anz]
an odorless green, bluish green, or brown powder dye, used as a diagnostic acid in estimation of blood volume. The dye is injected into the bloodstream and after a sufficient period of time samples of the blood are taken to determine the degree of dilution of the dye.

Ev·ans blue

(ev'ănz), [C.I. 23860]
A diazo dye used for the determination of the blood volume on the basis of the dilution of a standard solution of the dye in the plasma after its intravenous injection; it binds to proteins and is also used as a vital stain for following diffusion through blood vessel walls.
Synonym(s): azovan blue

Evans blue

Etymology: Herbert Evans, American anatomist, 1882-1971
a nontoxic blue-green dye used to determine blood and plasma volumes.

Ev·ans blue

(ev'ănz blū)
[CI 23860] A diazo dye used for the determination of the blood volume on the basis of the dilution of a standard solution of the dye in the plasma after its intravenous injection; binds to proteins; used as a vital stain for following diffusion through blood vessel walls.

Evans,

H.M., U.S. anatomist and physiologist, 1882-1971.
Evans blue - a diazo dye used as a vital stain for following diffusion through blood vessel walls. Synonym(s): azovan blue

Evans blue,

n.pr a diazo dye used for the determination of the blood volume on the basis of the dilution of a standard solution of the dye in the plasma after its intravenous injection.

Evans blue

an odorless green, bluish green, or brown powder dye, used as a diagnostic aid in estimation of blood volume. The dye is injected into the bloodstream and after a sufficient period of time samples of the blood are taken to determine the degree of dilution of the dye. Called also azovan blue.
References in periodicals archive ?
Extravasated Evans blue dye was quantitatively measured in the TMJ tissue by spectrophotometry.
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1 mL of the test serum in serial dilutions, followed 64 hr later with an intravenous injection of 1 mL of a 1:1 mixture of a solution of the protein or protein extract studied (5 mg/mL sterile saline) and a solution of Evans blue (2% in sterile saline).
Thirty minutes after the saline or Microcyn application, allergen (antigen) dissolved in Evans blue was intravenously injected and PCA reaction was monitored by Evans blue extravasation to the ear tissue.
The frequency of cells with obvious breaks in the cell wall (CWD) and/or that were stained with Evans Blue (EB+) were counted and statistically analyzed (Fig.
Results:Friday evening David Evans blue riband memorial prize - Aled Wyn Davies, Llanbrynmair.