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Bacteria Inhibited Zone Kirby Bauer Agar Disk Diffusion Test

The Kirby-Bauer test assesses antibiotic effectiveness by measuring inhibition zones; larger zones mean greater sensitivity.

The Kirby-Bauer Agar Disk Diffusion Test assesses antibiotic effectiveness by measuring zones of inhibition around antibiotic disks. Larger zones indicate greater bacterial sensitivity to the antibiotic.

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Kirby-Bauer Agar Disk Diffusion Test compare functions of several antibiotics against a bacterial isolate. The bacteria will be inhibited from growing in close proximity to any antibiotic zone to which they are sensitive. The larger the zone of inhibited growth around the filter paper disk, the more sensitive the bacteria are to that drug

Comparison between the disks cannot be accomplished without the key 

Tags: microbiology

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