Table 2.

The antibacterial effect of AgNPs-coated PAN nanofiber against Wb800 and Escherichia coli dh5α (n = 6)

Bacteria	Materials	Initial CFUa	CFU after 12 hours	ABEb
Wb800	AgNO3c	1.5 × 105	≤10	>99.9
	F2	1.5 × 105	6.6 × 106	0
	F3	1.5 × 105	2.8 × 103	>99.9
	F4	1.5 × 105	1.8 × 103	>99.9
	Blank	1.5 × 105	6.4 × 106	–
E. coli DH5α	AgNO3c	1.5 × 105	≤10	>99.9
	F2	1.5 × 105	7.1 × 106	0
	F3	1.5 × 105	1.2 × 104	99.8
	F4	1.5 × 105	7.5 × 102	>99.9
	Blank	1.5 × 105	7.0 × 106	–

Note:

^aThe colony forming units.

^bThe anti-bacterial efficacy (%).

^cThe weight of AgNO3 is 8 mg, equivalent to the content of AgNO3 in 60 mg nanofibers F4.

Abbreviations: ABE, antibacterial efficacy; AgNO₃, silver nitrate; AGNPs, silver nanoparticles; CFU, colony-forming units; PAN, polyacrylonitrile.