the viral proteins bind effectively to the microplates proportionally to their level in the culture and may be measured by incubating the plates sequentially with ( 1 ) rabbit antiserum against vsv , ( 2 ) a conjugate of alkaline phosphatase either to protein a or to an antibody against rabbit igg and ( 3 ) p-nitrophenylphosphate .
C0020960
antiserum
C0003241
antibody