Thermo Fisher, R452962, Columbia CNA Agar Base (Dehydrated)

Quantity: 500 g
Unit Size: Each
Carry out primary selective isolation of gram-positive cocci using Columbia CNA Agar Base.
• Selective:Nalidixic acid and colistin inhibit most gram-negative bacilli.
• Ease of Identification:Use of sheep blood enables the demonstration of hemolytic activity.This medium contains peptones which supply growth factors such as nitrogen, carbon, vitamins, and trace elements essential for bacterial growth. Beef extract and corn starch serve as sources of energy and yeast extract supplies B-complex vitamins. Colistin and nalidixic acid inhibit most gram-negative bacilli. Sheep blood provides the X factor (hemin) necessary for the growth of many bacteria and enables demonstration of hemolytic activity.Not all products are available for sale in all territories. Please inquire.Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.