Research Article

Study of Antibacterial Efficacy of Hybrid Chitosan-Silver Nanoparticles for Prevention of Specific Biofilm and Water Purification

Figure 4

Viable cell count test by nutrient agar plating: percentage survival bacteria versus contact time, (a) (Cs/citrate)8, (b) (Cs/Ag+)8 and (c) (Cs/Ag)8. Inset showing the optical photographs of control agar plates and after 4 h of contact with (Cs/Ag)8.
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