Medical Definition of Evans blue
: a dye C34H24N6Na4O14S4 that on injection into the bloodstream combines with serum albumin and is used to determine blood volume colorimetrically
Biographical Note for evans blue
Herbert McLean (1882–1971), American anatomist and physiologist. Evans made classic contributions to endocrinology and vitaminology. He was one of the few scientists to study both hormones and vitamins. In 1915 he published an explanation of the physiological behavior of vital stains in the benzidine series and did research on azo dyes, and in particular the dye now called Evans blue.
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