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A disk impregnated with erofloxacin antibiotic


A disk impregnated with erofloxacin antibiotic has inhibited the growth of a "lawn" of Gram-negative bacteria growing on an agar plate. The diameter of the area where growth is inhibited is a measure of the effectiveness of the antibiotic or the resistance of the bacteria to the antibiotic. In this case, the antibiotic in the disk is inhibiting growth of the bacteria isolated from the shark.


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http://oceanexplorer.noaa.gov/explorations/04etta/background/antimicrobial/media/antimicrobial2.html