KB Test
KB test can refer to two different medical tests: * The Kirby–Bauer test (agar diffusion test The disk diffusion test (also known as the agar diffusion test, Kirby–Bauer test, disc-diffusion antibiotic susceptibility test, disc-diffusion antibiotic sensitivity test and KB test) is a culture-based microbiology assay used in diagnos ...), a test of the antibiotic sensitivity of bacteria * The Kleihauer–Betke test ( acid elution test), a test of the amount of fetal hemoglobin transferred from a fetus to a mother's bloodstream {{disambig ...
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Agar Diffusion Test
The disk diffusion test (also known as the agar diffusion test, Kirby–Bauer test, disc-diffusion antibiotic susceptibility test, disc-diffusion antibiotic sensitivity test and KB test) is a culture-based microbiology assay used in diagnostic and drug discovery laboratories. In diagnostic labs, the assay is used to determine the susceptibility of bacteria isolated from a patient's infection to clinically approved antibiotics. This allows physicians to prescribe the most appropriate antibiotic treatment. In drug discovery labs, especially bioprospecting labs, the assay is used to screen biological material (e.g. plant extracts, bacterial fermentation broths) and drug candidates for antibacterial activity. When bioprospecting, the assay can be performed with paired strains of bacteria to achieve dereplication and provisionally identify antibacterial mechanism of action. In diagnostic laboratories, the test is performed by inoculating the surface of an agar plate with bacte ...
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