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The antibacterial effect of silver nanoparticles on some bacterial pathogens | ||
| Iraqi Journal of Physics | ||
| Article 1, Volume 10, Issue 18, 2012, Pages 56-61 | ||
| Author | ||
| Maha Adel Mahmood | ||
| Abstract | ||
| Nanoparticles are a special group of materials with unique features and extensive applications in diverse fields. The use of nanoparticles of some metals is a viable solution to stop infectious diseases due to the antimicrobial properties of these nanoparticles. The present work demonstrates the effect of silver nanoparticles (AgNPs) on the antibacterial activity of four different antibiotics (amoxicillin, ceftriaxone, chloramphenicol, and penicillin) against eleven Gram-positive and Gram-negative isolates. Disk diffusion method was used to determine the antibacterial activity of various classes of antibiotics in the absence and presence of sub-inhibitory silver nanoparticles of concentration (80 microgram/ml). A synergistic effect was observed between AgNPs and both amoxicillin and penicillin for Gram-positive isolates and between AgNPs and both ceftriaxone and chloramphenicol for Gram-negative isolates. | ||
| Keywords | ||
| Silver ion nanoparticles; antimicrobial; inhibition zone | ||
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