log phase , broth grown e. coli k12 ( 5 x 10 ( 6 ) /ml ) and normal , dextran-sedimented human neutrophils ( 5 x 10 ( 6 ) /ml ) were combined in 10 % heat inactivated , pre- or post-igg infusion multiple myeloma serum with 5 % agammaglobulinemic serum as a complement source and incubated at 37 degrees c for 30 min .
C0229671
serum
C0009498
complement