title: Purification and physico-chemical analysis of fractions from the culture supernatant of Escherichia coli O78K80: free endotoxin and a non-toxic fraction.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D002845:Chromatography; D002850:Chromatography, Gel; D003470:Culture Media / Q000032:analysis; D003902:Detergents / Q000494:pharmacology; D004586:Electrophoresis; D004731:Endotoxins / Q000032:analysis* / Q000096:biosynthesis; D004926:Escherichia coli / Q000378:metabolism*; D006241:Haptens / Q000032:analysis; D005779:Immunodiffusion; D013053:Spectrophotometry; D014461:Ultracentrifugation
chemical_list: D000596:Amino Acids; D003470:Culture Media; D003902:Detergents; D004731:Endotoxins; D006241:Haptens