fractionated fluorescein-isothiocyanate ( fitc ) -conjugated immunoglobulin g ( dye-to-protein ratio < 10 ) , produced against whole cells of actinomyces spp. , arachnia , bacterionena , rothia , and propionibacterium spp. , give species-specific conjugates with controlled nonspecific staining reactions when appropriately diluted on the basis of their antibody content ( 10 mg/ml ) .
C0020852
immunoglobulin g
C0003241
antibody