title: The negative staining of protein molecules.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006863:Hydrogen-Ion Concentration; D010047:Ovalbumin; D010772:Phosphotungstic Acid; D012710:Serum Albumin, Bovine; D012996:Solutions; D013194:Staining and Labeling; D014461:Ultracentrifugation; D005719:gamma-Globulins
chemical_list: D012996:Solutions; D005719:gamma-Globulins; D010772:Phosphotungstic Acid; D012710:Serum Albumin, Bovine; D010047:Ovalbumin