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Beni-Suef University Journal of Basic and Applied Sciences
Fig. 2 | Beni-Suef University Journal of Basic and Applied Sciences

Fig. 2

From: Synthesis of silver nanoparticles using marine macroalgae Padina sp. and its antibacterial activity towards pathogenic bacteria

Fig. 2

Antibacterial activity plate. a The inhibition zone formed by gram-positive bacteria, Staphylococcus aureus against four different concentrations of AgNPs, positive control and negative control. b The inhibition zone formed by gram-positive bacteria, Bacillus subtilis against four different concentrations of AgNPs, positive control and negative control. c The inhibition zone formed by gram-negative bacteria, Pseudomonas aeruginosa against four different concentrations of AgNPs, positive control and negative control. d The inhibition zone formed by gram-negative bacteria, Escherichia coli against four different concentrations of AgNPs, positive control and negative control. e The inhibition zone formed by gram-negative bacteria, Salmonella typhi against four different concentrations of AgNPs, positive control and negative control

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