Kirby-Bauer Disk Diffusion Susceptibility Test Protocol
Institute Performance Standards for Antimicrobial Disk Susceptibility Tests: Approved Standards 9th Edition (3). RECIPE Sterile saline in 2-ml tubes 0.5 McFarland standard Wickerham card Mueller-Hinton agar plates, 100 mm or 150 mm Caliper or ruler Antibiotic disksb Forceps Antibiotic disk dispenser (optional) 18- to 24-ho Vortex
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Catalase Test Protocol - American Society for Microbiology
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Luria Broth (LB) and Luria Agar (LA) Media and Their Uses ...
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Indole Test Protocol
asm.orgDissolve components and store solution at room temperature in a brown glass bottle. To test for indole production, inoculate a 4 -ml tryptone broth tube with one loopful of culture. After 24 to 48 hours of incubation, add to the culture 1.0 ml of either ether or xylene. Mix well and then allow organic solvent to rise to the top of the medium.
Blood Agar Plates and Hemolysis Protocols
asm.org"Blood Agar" is not a consistently defined medium. The term "blood agar" generally refers to an enriched base medium to which defibrinated mammalian blood has been added. In the US "blood agar" is usually prepared from Tryptic Soy Agar or Columbia Agar base with 5% Sheep blood. Rabbit or horse blood may be
Gram Stain Protocols
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Microorganisms, Mold, and Indoor Air Quality
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Urease Test Protocol
asm.orgPeptone 1 g Dextrose 1 g Sodium chloride 5 g Potassium phosphate, monobasic 2 g Urea 20 g Phenol red 0.012 g Agar 15 to 20 g To prepare the urea base, dissolve the first six ingredients in 100 ml of distilled water and filter sterilize (0.45-mm pore size). Suspend the agar
Oxidase Test Protocol - American Society for Microbiology
asm.orgFIG. 3. On the left is oxidase-positive Pseudomonas aeruginosa and on the right is oxidase-negative Escherichia coli. Both organisms were rubbed on a dry filter that was then treated with one drop of Kovács oxidase reagent. Direct Plate Method (7, 10) (Fig. 4) 1. Grow a fresh culture (18 to 24 hours) of bacteria on nutrient agar
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