Guaranteed first generation derivatives from source strain.
Discs contain at least 10 at time of purchase.
Direct inoculation on surface or establishing liquid culture.
Easily storable source of viable organisms with long shelf life.
Available in pack of 10 and 25 discs per vial.
Quality control of bacterial growth media.
Quality control of antibiotic susceptibility testing, whether by disc diffusion or serial dilution.
Screening concentration of antibiotic in blood, serum, CSF and other body fluids.
Quality control of antiseptic and disinfectant solutions.
Controlling the staining reactions and chemical reactions during the identification of bacteria.