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- Q804138 subject Q8357629.
- Q804138 subject Q8802913.
- Q804138 abstract "The biuret test is a chemical test used for detecting the presence of peptide bonds. In the presence of peptides, a copper(II) ion forms violet-colored coordination complexes in an alkaline solution. Several variants on the test have been developed, such as the BCA test and the Modified Lowry test.The biuret reaction can be used to assess the concentration of proteins because peptide bonds occur with the same frequency per amino acid in the peptide. The intensity of the color, and hence the absorption at 540 nm, is directly proportional to the protein concentration, according to the Beer-Lambert law.Despite its name, the reagent does not in fact contain biuret ((H2N-CO-)2NH). The test is so named because it also gives a positive reaction to the peptide-like bonds in the biuret molecule.".
- Q804138 thumbnail Biuret_Test_2.jpg?width=300.
- Q804138 wikiPageExternalLink reagents.htm.
- Q804138 wikiPageWikiLink Q102769.
- Q804138 wikiPageWikiLink Q107184.
- Q804138 wikiPageWikiLink Q11582.
- Q804138 wikiPageWikiLink Q17003157.
- Q804138 wikiPageWikiLink Q1943794.
- Q804138 wikiPageWikiLink Q217351.
- Q804138 wikiPageWikiLink Q238156.
- Q804138 wikiPageWikiLink Q303489.
- Q804138 wikiPageWikiLink Q33293.
- Q804138 wikiPageWikiLink Q36496.
- Q804138 wikiPageWikiLink Q3686031.
- Q804138 wikiPageWikiLink Q374535.
- Q804138 wikiPageWikiLink Q386096.
- Q804138 wikiPageWikiLink Q3944822.
- Q804138 wikiPageWikiLink Q408815.
- Q804138 wikiPageWikiLink Q414902.
- Q804138 wikiPageWikiLink Q428124.
- Q804138 wikiPageWikiLink Q432016.
- Q804138 wikiPageWikiLink Q473222.
- Q804138 wikiPageWikiLink Q739897.
- Q804138 wikiPageWikiLink Q753.
- Q804138 wikiPageWikiLink Q8054.
- Q804138 wikiPageWikiLink Q8357629.
- Q804138 wikiPageWikiLink Q8802913.
- Q804138 wikiPageWikiLink Q898426.
- Q804138 comment "The biuret test is a chemical test used for detecting the presence of peptide bonds. In the presence of peptides, a copper(II) ion forms violet-colored coordination complexes in an alkaline solution. Several variants on the test have been developed, such as the BCA test and the Modified Lowry test.The biuret reaction can be used to assess the concentration of proteins because peptide bonds occur with the same frequency per amino acid in the peptide.".
- Q804138 label "Biuret test".
- Q804138 depiction Biuret_Test_2.jpg.