Table 2.

Antibacterial Efficiency of PAN-CuNP nanofibers Synthesized from Different wt.% of CuSO₄ and Bulk Copper Disks on E. coli.

Bacteria Species	Sample Classification	Average ZOI Diameter (mm)	StDev (Over 3 Trials)
E. coli (K-12 DH5α)	Pure PAN nanofiber	0	0
E. coli (K-12 DH5α)	Bulk Cu Disk	0	0
E. coli (K-12 DH5α)	5% PAN-CuNP nanofiber	7.5	0.01
E. coli (K-12 DH5α)	10% PAN-CuNP nanofiber	8.0	0.01
E. coli (K-12 DH5α)	15% PAN-CuNP nanofiber	8.6	0.02