A uronic and sialic acid free chick allantoic mucopolysaccharide sulphate which combines with influenza virus hi-antibody to host material. 1. Purification of the substance.
D000818:Animals; D000937:Antigen-Antibody Reactions; D000941:Antigens; D002642:Chick Embryo; D002852:Chromatography, Ion Exchange; D006025:Glycosaminoglycans / Q000096:biosynthesis*; D006385:Hemagglutination Inhibition Tests; D066298:In Vitro Techniques; D009438:Neuraminic Acids; D011817:Rabbits; D014020:Tissue Extracts; D014574:Uronic Acids
D000941:Antigens; D006025:Glycosaminoglycans; D009438:Neuraminic Acids; D014020:Tissue Extracts; D014574:Uronic Acids