Dictionary » Z » Zone of inhibition

Zone of inhibition




The clear region around the paper disc saturated with an antimicrobial agent on the agar surface.


The clear region is an indication of the absence, or the effective inhibition, of microbial growth by the antimicrobial agent. (see disk-diffusion test)

See also: disk-diffusion test, antibiotic, culture, bacteria.

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does sodium deoxycholate effect salmonella typhimurium

... in the presence of wild type salmonella typhimurium strain creates inhibition around the filter paper, but also bacterial growth after and around the inhibition zone. Is this right? Im not sure what happens to the bacterial growth when Sodium Deoxycholate ...

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by amberdagp
Fri Dec 25, 2009 11:28 am
Forum: Genetics
Topic: does sodium deoxycholate effect salmonella typhimurium
Replies: 3
Views: 3724

CLED agar help please

... the growth but had not completely inhibited it - there was no clear zone of inhibition. I have attached a photo of the plate. http://photos-e.ak.fbcdn.net/hphotos-ak-snc3/hs058.snc3/14564_225395194746_511344746_4206508_7099041_n.jpg ...

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by elainegardener
Thu Dec 17, 2009 8:48 pm
Forum: Microbiology
Topic: CLED agar help please
Replies: 2
Views: 4807

Bacteria and disinfectants

... around the area of the disinfectant if it kills it, so there is a clean zone of inhibition around each disc. im supposed to measure the diameter of the zone of inhibition ...

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by falconfurball7
Sat Jun 14, 2008 7:47 pm
Forum: Microbiology
Topic: Bacteria and disinfectants
Replies: 2
Views: 16082

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