Synthesis of silver nanoparticles and antibacterial property of silk fabrics treated by silver nanoparticles

Table 2 The WI, silver content, and antibacterial rate of nanosilver-treated fabrics

Samples	Silver content (mg/kg fabric)	WI	Antibacterial activities
			*S. aureus*		*E. coli*
			Surviving cells (CFU/ml)	% reduction	Surviving cells (CFU/ml)	% reduction
Untreated	-	90.79	2.28 × 10⁶	-	4.37 × 10⁶	-
a	98.65	86.32	1.53 × 10²	99.99	2.22 × 10³	99.49
b	113.50	85.67	4.56 × 10²	99.98	2.09 × 10³	99.52
c	126.48	84.96	3.19 × 10³	99.86	1.39 × 10³	99.68
d	139.82	83.18	4.52 × 10²	99.98	9.1 × 10²	99.79
e	148.68	82.19	1.62 × 10²	99.99	8.7 × 10²	99.98