Ps. aeruginosa or pseudomonas species? 


C-390 diagnostic disc

The antimicrobial agent C-390, 9-chloro-9-(4-diethylaminophenyl)-10-phenylacridan, has demonstrated exceptional selective properties for Pseudomonas aeruginosa. It's usefulness is well documented.

Many UK hospital laboratories already use this product as a simple and economic method of differentiating P. aeruginosa from other pseudomonads and non-fermenters.

C-390 discs are placed on agar plates inoculated with test organism in a simple disc diffusion method. P. aeruginosa will show no inhibition zone with a confluent inoculum or a zone <12 mm with a semi confluent inoculum, after overnight incubation.


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