- biuret reagent
- any of various alkaline copper sulfate solutions containing a variety of stabilizers, used in the biuret reaction (q.v.).
Medical dictionary. 2011.
biuret reagent
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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
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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
Reagent — A substance used to produce a chemical reaction to detect, measure, produce, etc. other substances. * * * Any substance added to a solution of another substance to participate in a chemical reaction. [Mod. L. reagens] amino acid r. a r. used in… … Medical dictionary
Millon's reagent — is an analytical reagent used to detect the presence of soluble proteins. A few drops of the reagent are added to the test solution, which is then heated gently. A reddish brown coloration or precipitate indicates the presence of tyrosine residue … Wikipedia
Chemical test — In chemistry, a chemical test is a qualitative or quantitative procedure designed to prove the existence of, or to quantify, a chemical compound or chemical group with the aid of a specific reagent. A presumptive test is specifically used in… … Wikipedia
Copper(II) sulfate — Crystal of CuSO4·5H2O Anhydrous CuSO4 powder … Wikipedia
Potassium sodium tartrate — Chembox new Name = Potassium sodium tartrate ImageFile = K Na L (+) tartrate.png ImageSize = 200px ImageName = Potassium sodium tartrate IUPACName = Potassium sodium tartrate OtherNames = E337 Section1 = Chembox Identifiers CASNo = 304 59 6… … Wikipedia
Egg white — Albumen redirects here. For other uses see Albumen (disambiguation). : For the musician, see Eg White. Egg white is the common name for the clear liquid (also called the albumen or the glair/glaire) contained within an egg. It is the cytoplasm of … Wikipedia
