title: Sensitive biuret method for determination of protein in an impure system such as whole bacteria.
mesh_terms: D001426:Bacterial Proteins / Q000032:analysis; D003300:Copper; D008433:Mathematics; D008722:Methods; D011506:Proteins / Q000032:analysis*; D013053:Spectrophotometry
chemical_list: D001426:Bacterial Proteins; D011506:Proteins; D003300:Copper