Disc-diffusion showing a drug effect on bac

Numéro d’image : 11864257
Disc-diffusion showing a drug effect on bac
Drug effect on bacteria. Disc-diffusion assay showing the effects of an antibiotic drug on bacteria. Black discs containing an antibiotic drug are seen,positioned at intervals on an agar culture of bacteria. The discs contain different concentrations of the drug. Zones of inhibition of bacterial growth are seen as clear areas around the discs. The strongest drug effect is at top centre; the least effect at bottom. Existing anti- biotics act to block bacterial growth. However,the search for new antibiotics is urgent because bacteria causing traditional human diseases are becoming resistant to all known antibiotics. Photographed at Microcide Pharmaceuticals,USA
Licence : Droits gérés
Crédit: Science Photo Library / Morgan, Hank
Taille de l’image : 5216 px × 3736 px
Model Release : Non requis
Property Release : Non requis
Restrictions :
  • USA CAN JPN

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