title: Determination of free amino groups in proteins by trinitrobenzenesulfonic acid.
mesh_terms: D000596:Amino Acids; D055598:Chemical Phenomena; D002621:Chemistry; D005557:Formaldehyde; D007202:Indicators and Reagents; D009578:Nitrobenzenes; D010047:Ovalbumin; D011506:Proteins; D012710:Serum Albumin, Bovine; D013451:Sulfonic Acids; D005719:gamma-Globulins
chemical_list: D000596:Amino Acids; D007202:Indicators and Reagents; D009578:Nitrobenzenes; D011506:Proteins; D013451:Sulfonic Acids; D005719:gamma-Globulins; D005557:Formaldehyde; D012710:Serum Albumin, Bovine; D010047:Ovalbumin