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Biuret: A Sensitive and Selective Reagent for Detecting Peptide Bonds in Proteins

Biuret is a chemical compound with the formula C4H3N3O2. It is a yellow solid that is used as a reagent in chemical tests for the presence of peptide bonds in proteins and other biomolecules. Biuret is a derivative of urea, and it is prepared by reacting urea with nitrous acid or with sodium nitrite and hydrochloric acid.

Biuret is a sensitive and selective reagent for peptide bonds, and it is commonly used in biochemical assays to detect the presence of proteins or protein fragments in a sample. The reaction of biuret with peptide bonds results in a characteristic yellow color that can be measured spectrophotometrically. Biuret is also used as a reagent in the analysis of amino acids and other biomolecules, and it has been used in the development of methods for the determination of protein structure and function.

Overall, biuret is an important tool in biochemistry and molecular biology, and it has played a significant role in the study of proteins and other biomolecules. Its sensitivity and selectivity make it a valuable reagent for detecting peptide bonds in a wide range of biological samples.

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