title: Isolation of proteins by gel filtration in 6M guanidinium chloride: application to RNA tumor viruses.
mesh_terms: D000818:Animals; D001354:Avian Leukosis Virus / Q000032:analysis*; D001358:Avian Sarcoma Viruses / Q000032:analysis*; D002499:Centrifugation, Density Gradient; D002645:Chickens; D002850:Chromatography, Gel; D004591:Electrophoresis, Polyacrylamide Gel; D005622:Friend murine leukemia virus / Q000032:analysis*; D006146:Guanidines; D008970:Molecular Weight; D011134:Polysaccharides; D011487:Protein Conformation; D012967:Sodium Dodecyl Sulfate; D013056:Spectrophotometry, Ultraviolet; D014764:Viral Proteins / Q000302:isolation & purification*
chemical_list: D006146:Guanidines; D011134:Polysaccharides; D014764:Viral Proteins; D012967:Sodium Dodecyl Sulfate