biuret test
nounMedical Definition of biuret test
: a test especially for the presence and concentration of proteins in a sample using the biuret reaction
The biuret test for protein was developed in 1833. Today, numerous analyses are available on urine and plasma that provide further information for evaluating proteinuria.— Leland B. Baskin and Rebecca M. Hsu, Medical Laboratory Observer, November 1999