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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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
A derivative of urea obtained by heating, eliminating one NH3 between two ureas. Used in protein determinations.
Farlex Partner Medical Dictionary © Farlex 2012
biuretA white crystalline substance, which is intermediate between urea and cyanuric acid, and formed by heating urea.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Obtained by eliminating one NH3 between two urea molecules. Used in protein determinations.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012