Biuret

The term `biuret` also describes a family of organic compounds with the functional group -(HN-CO-)2N-. Thus dimethyl biuret is CH3HN-CO-NR`-CO-NHCH3. A variety of organic derivatives are possible. ==Preparation== The parent compound can be prepared by heating urea above the melting point at which temperature ammonia is expelled: Under related c......
Found on http://en.wikipedia.org/wiki/Biuret

biuret

(bi´u-rәt) a urea derivative that forms a chelate having an intense violet-red color with copper sulfate in alkaline solution; this reaction is known as the biuret reaction. The same reaction also occurs when compounds having two or more adjacent peptide bonds (for example, proteins), are reacted with copper...
Found on http://www.encyclo.co.uk/local/21001

Biuret

Bi'u·ret noun [ Prefix bi- + urea .] (Chemistry) A white, crystalline, nitrogenous substance, C 2 O 2 N 3 H 5 , formed by heating urea. It is intermediate between urea and cyanuric acid.
Found on http://www.encyclo.co.uk/webster/B/59

biuret

Type: Term Pronunciation: bī-yū-ret′ Definitions: 1. A derivative of urea obtained by heating, eliminating one NH3 between two ureas. Used in protein determinations. Synonyms: carbamoylurea
Found on http://www.medilexicon.com/medicaldictionary.php?t=10527
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