Table 3.
Results of Assessment of Formulations in AATCC Test Method 100 for quantitative assessment of antibacterial finishes on textile materials.
| Sample Description | K. Pneumoniae | S. Aureus |
|---|---|---|
| @ 24 h | ||
| 2 mM Copper only | 99.98 | 99.99 |
| 2 mM Cu:10 mM Ascorbic Acid | 99.98 | 99.99 |
| 10 mM Ascorbic Acid only | 99.98 | 99.99 |
| 2 mM Cu:50 mM Ascorbic Acid (CuNP) | 99.98 | 99.99 |
| 2 mM Cu:10 mM Sodium ascorbate | 99.98 | 99.99 |
| 2 mM Cu:50 mM Sodium ascorbate (CuNP) | 99.98 | 99.99 |
| Untreated Control | 0 | 0 |
| SBSC Untreated Control | 9.54 × 106 CFU/mL | 7.4 × 104 CFU/mL |
Inoclum K. pneumoniae bacterial concentration at 0 h 2.3 × 105 CFU/mL and at 24 h 9.54 × 106 CFU/mL. S. aureus concentration at 0 h 3.5 × 105 CFU/mL and at 24 h 7.4 × 104 CFU/mL Percent reduction at 24 hours as defined in the Materials and Methods section.