The biuret test is a chemical test for proteins and polypeptides. It is based on the biuret reagent, a blue solution that turns violet upon contact with proteins, or any substance with peptide bonds.

Biuret is a member of the class of condensed ureas that is the compound formed by the condensation of two molecules of urea; the parent compound of the biuret group of compounds.

Jun 3, 2025 · Biuret reagent is a blue-colored solution used to detect the presence of peptide bonds, a hallmark of proteins. When this reagent comes in contact with compounds containing …

May 13, 2025 · The Biuret Assay, also known as Biuret Method, is a classical biochemical technique used for the quantification of proteins based on the presence of peptide bonds.

Aug 23, 2025 · Biuret reagent is a chemical solution used to detect proteins through a colorimetric reaction. It is a mixture containing copper (II) sulfate, sodium hydroxide, and potassium …

Nov 5, 2025 · The Biuret test is a straightforward chemical method used across biology and chemistry to determine the presence of proteins in a sample. It is a fundamental laboratory …

The biuret test is one of the methods of protein analysis. The biuret test is a colorimetric test that helps detect specific proteins or peptide bonds in given analytes. It is followed by …

The biuret reaction, in which protein forms a complex with copper (Cu2+) in alkaline solution, has become the standard chemical test for total serum or plasma protein.

In chemistry, the biuret test (IPA: / ˌbaɪjəˈrɛt /, / ˈbaɪjəˌrɛt / [1]), also known as Piotrowski's test, is a chemical test used for detecting the presence of at least two peptide bonds in a molecule.

Dec 29, 2025 · However, the Biuret test is strictly designed to detect protein. It is not a test to prove the presence of a cellulose ether. At best, all that can be determined is whether a …