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US 4,072,573 AGranted
Pseudomonas aeruginosa broth
AssigneeMcDonnell Douglas Corporation
InventorsClifton Aldridge, Sandra F. Gibson, Gregory D. Rodgers
Life of this patent
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Abstract
A broth medium for the detection of Pseudomonas aeruginosa in urine. The medium employs cetyl trimethylammonium bromide to inhibit growth of unwanted organisms that normally give positive results in tests for P. aeruginosa.
Claims12
A broth medium for detection of Pseudomonas aeruginosa comprising:
- a. a nutrient source,
- b. a nitrate salt to assist in growth of Pseudomonas and pigment production in the condition of limited O.sub.2, and
- c. cetyl trimethylammonium bromide to inhibit gram-negative organisms.
A broth medium for detection of Pseudomonas aeruginosa comprising:
- a. a nutrient source,
- b. an additive to assist in growth of Pseudomonas and pigment production in the condition of limited O.sub.2, and
- c. cetyl trimethylammonium bromide as a gram-negative organism inhibitor.
Dependencies are inferred from the claim text.