title: Preferential production of IgG2 anti-hapten antibody in guinea pigs immunized with 2,4-dinitrophenylated lipopolysaccharides of Escherichia coli.
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial / Q000096:biosynthesis; D000917:Antibody Formation; D000942:Antigens, Bacterial / Q000008:administration & dosage; D001666:Binding Sites, Antibody; D004140:Dinitrophenols / Q000008:administration & dosage / Q000276:immunology*; D004926:Escherichia coli / Q000032:analysis / Q000276:immunology*; D005620:Freund's Adjuvant; D006168:Guinea Pigs; D006241:Haptens / Q000276:immunology*; D007114:Immunization; D007074:Immunoglobulin G / Q000096:biosynthesis*; D008070:Lipopolysaccharides / Q000008:administration & dosage / Q000276:immunology* / Q000302:isolation & purification; D011135:Polysaccharides, Bacterial / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D000942:Antigens, Bacterial; D004140:Dinitrophenols; D006241:Haptens; D007074:Immunoglobulin G; D008070:Lipopolysaccharides; D011135:Polysaccharides, Bacterial; D005620:Freund's Adjuvant