lipid a-protein complexes derived from both s and r forms were not toxic for mice in doses up to 1,000 microgram/mouse , but their linulus test activity had increased considerably as compared with the starting lipopolysaccharide-protein complex material : from 10 ( -6 ) to 10 ( -10 -- 10 ( -12 ) mg/ml .
C0023767
lipid a
C0023810
lipopolysaccharide