Decoration of Silver Nanoparticles on Multiwalled Carbon Nanotubes: Antibacterial Mechanism and Ultrastructural Analysis

Table 1

Summary of zone of inhibition for studied samples against E. coli and S. aureus bacteria.

Antibacterial evaluation	MWCNTs; 30 μg/mL	AgNPs; 30 μg/mL	Ag1-MWCNTs; 10 μg/mL	Ag2-MWCNTs; 20 μg/mL	Ag3-MWCNTs; 30 μg/mL	Ag4-MWCNTs; 50 μg/mL
Inhibition zone^a; (E. coli)	—	1.3	0.6	1.3	1.7	2.2
Inhibition zone^a; (S. aureus)	—	1.1	0.5	1.4	1.5	1.9

 ^aMeasured from paper-disk diffusion method (mm).