- biuret test
- biuret test n a test esp. for proteins using the biuret reaction
* * *
a colorimetric test for protein that makes use of the biuret reaction (q.v.).
Medical dictionary. 2011.
biuret test
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biuret test — biuret test, the red or reddish violet color which is produced when sodium hydroxide and a dilute solution of copper sulfate are added to a solution containing a protein … Useful english dictionary
Biuret-Test — Die Biuretreaktion, auch der Biuret Assay oder der Biuret Test, ist eine chemische Nachweisreaktion für Biuret und für Eiweiße (Proteine), genauer für deren Peptidbindungen. Inhaltsverzeichnis 1 Nachweisprinzip 2 Weitere Nachweisreaktionen für… … Deutsch Wikipedia
Biuret test — The biuret test is a chemical test used for detecting the presence of peptide bonds. In a positive test, a copper(II) ion is reduced to copper(I), which forms a complex with the nitrogens and carbons of the peptide bonds in an alkaline solution.… … Wikipedia
biuret reaction — n a reaction that is shown by biuret, proteins, and most peptides on treatment in alkaline solution with copper sulfate and that results in a violet color * * * formation of a chelate having an intense violet red color when biuret or compounds… … Medical dictionary
Biuret reagent — The Biuret reagent is made of potassium hydroxide (KOH) and copper (II) sulfate (CuSO4), together with potassium sodium tartrate (KNaC4H4O6·4H2O). The blue reagent turns violet in the presence of proteins, and changes to pink when combined with… … Wikipedia
Biuret — Chembox new Name = Biuret ImageFileL1 = Biuret 2D skeletal.png ImageSizeL1 = 120px ImageFileR1 = Biuret 3D vdW.png ImageSizeR1 = 100px ImageName = Space filling model of biuret IUPACName = 2 Imidodicarbonic diamide OtherNames = Carbamylurea,… … Wikipedia
Biuret-Reaktion — Die Biuretreaktion, auch der Biuret Assay oder der Biuret Test, ist eine chemische Nachweisreaktion für Biuret und für Eiweiße (Proteine), genauer für deren Peptidbindungen. Inhaltsverzeichnis 1 Nachweisprinzip 2 Weitere Nachweisreaktionen für… … Deutsch Wikipedia
Biuret — Général … Wikipédia en Français
biuret — /ˈbaɪjurɛt/ (say buyyoohret) noun an organic compound, NH2CONHCONH2, formed by heating urea. In strongly alkaline solution, it gives a violet colour when copper sulphate is added (the biuret reaction), and is therefore used as a test for protein …
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
