biuret

[bi´u-ret] a urea derivative; its presence is detected after addition of sodium hydroxide and copper sulfate solutions by a pinkish-violet color (protein test) or a pink and finally a bluish color (urea test).biuret reaction the reaction in biuret tests.biuret test either of the tests done with biuret.

bi·u·ret

(bī-yū-ret'), A derivative of urea obtained by heating, eliminating one NH₃ between two ureas. Used in protein determinations. Synonym(s): carbamoylurea

biuret

A white crystalline substance, which is intermediate between urea and cyanuric acid, and formed by heating urea.

bi·u·ret

(bī'yŭr-et') Obtained by eliminating one NH₃ between two urea molecules. Used in protein determinations.
Synonym(s): carbamoylurea.

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