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.

May 22, 2024 · This colorimetric chemical test used to detect the peptide bond using the Biuret reagent is called the Biuret test. It is also called Piotrowski’s reaction after the name of the Polish physiologist …

Description 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 two or more …

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 spectrophotometry for …

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 tool, offering a quick …

The biuret method is a colorimetric technique specific for proteins and peptides. Copper salts in alkaline solution form a purple complex with substances containing two or more peptide bonds.

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.

By utilizing colorimetric analysis, researchers can quantify protein concentrations with ease and accuracy. The Biuret test involves the interaction between copper ions and peptide bonds. When a …

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.