two lipopolysaccharide o-antigen-specific monoclonal antibodies , ma1-8 ( an immunoglobulin g1 [ igg1 ] ) and mf15-4 ( an igm ) , were used to localize the o antigen of the lipopolysaccharide of pseudomonas aeruginosa pao1 .
C0069180
o-antigen
C0023810
lipopolysaccharide