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Biochem J. Feb 1971; 121(4): 587–589.
PMCID: PMC1176632

Micro method for determination of reactive carbonyl groups in proteins and peptides, using 2,4-dinitrophenylhydrazine

Abstract

A method is described for determining carbonyl groups that is especially suitable for use with proteins and peptides. It involves the determination of the extinction at 370nm of a sample solution after adding 2,4-dinitrophenylhydrazine. The reaction of 2,4-dinitrophenylhydrazine with pyruvoylglycine and with transaminated ribonuclease T1 is presented; the isolation of protein hydrazones is discussed.

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Selected References

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