the use of formulated chick red blood cells loaded with igg preparations and affinity-purified antibodies , in comparison with initial immune serum to p. aeruginosa exotoxin a ( eta ) , has been shown to increase the sensitivity of antibody erythrocyte diagnosticum ( abed ) 17-fold and to ensure the detection of eta at a concentration of 1.2 mg of protein per ml .
C0003241
antibodies
C0020960
immune serum