Table 4.

Optical density (OD600) values and total bacterial count (CFUs/mL) obtained for PES and PES/ZnO fibers inoculated with different bacterial strains. Results are expressed as mean of three experiments ± standard deviation.

Bacterial Strains	PES		PES/ZnO
Gram-positive	OD600	CFUs/mL	OD600	CFUs/mL
S. aureus ATCC 29213	0.460 ± 0.003	6.96 × 108 ± 7.02 × 106	0.280 ± 0.004	3.89 ×108 ± 3.51 ×106
S. aureus 004/392	0.700 ± 0.005	1.12 × 109 ± 4.58 ×107	0.450 ± 0.024	6.84 ×108 ± 1.45 ×107
S. epidermidis 004/391	0.360 ± 0.003	5.26 × 108 ± 3.61 ×106	0.160 ± 0.003	2.04 ×108 ± 1.64 ×107
S. epidermidis 004/398	0.530 ± 0.003	8.22 × 108 ± 3.00 ×106	0.200 ± 0.005	2.78 ×108 ± 1.35 ×107
Gram-negative	OD600	CFUs/mL	OD600	CFUs/mL
E. coli ATCC 35218	0.790 ± 0.002	1.28 ×109 ± 2.65 ×107	0.510 ± 0.003	7.84 ×108 ± 7.64 ×106
E. coli 004/398	0.380 ± 0.003	5.61 ×108 ± 4.00 ×106	0.130 ± 0.003	1.53 ×108 ± 1.23 ×107