Kirby-Bauer disk diffusion test (IMAGE)

University of Zurich

Kirby-Bauer disk diffusion test

Caption

Kirby-Bauer disk diffusion test of gut bacteria: Paper sheets soaked with antibiotics are placed on a petri dish. The antibiotic concentration decreases with increasing distance. The closer bacteria grow to the test sheets, the more resistant they are (red circles). If the gradients of two different antibiotics meet, their effectiveness can increase (yellow arrows). (Image: UZH)

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UZH

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