Table 2.
SFV1enh/Luc recombinant virus titer change after pressure filtration through experimental materials (KF = Kraft fibers; HF = hemp fibers; FF = fungal fibers; Ga = G. applanatum; Tv = T. versicolor).
| Sample | Virus Titer i.u./mL ± SD |
Virus Titer [Log10] |
Log10 Reduction Value LRV |
Virus Amount after Filtration Relative to Nonfiltered Control % |
|---|---|---|---|---|
| Non-filtered virus | (1 ± 0.066) × 107 | 7.00 | - | 100 |
| Surgical mask (all layers) | (8.28 ± 0.066) × 106 | 6.92 | 0.08 | 92.63 |
| Cellulose hygienic paper | (2.66 ± 0.076) × 106 | 6.42 | 0.58 | 27.05 |
| KF | (1.43 ± 0.413) × 104 | 4.16 | 2.84 | 0.16 |
| KF FF (Ga) | (2.86 ± 0.076) × 102 | 2.46 | 4.54 | 0.00 |
| KF FF (Tv) | (7.66 ± 0.791) × 104 | 4.88 | 2.12 | 0.78 |
| FF (Ga) | (2.25 ± 1.460) × 104 | 4.35 | 2.65 | 0.26 |
| HF | (6.27 ± 2.120) × 103 | 3.80 | 3.20 | 0.08 |
| Cotton outer layer (hydrophobic) |
(7.21 ± 0.0330) × 106 | 6.86 | 0.14 | 73.44 |
| Cotton Silverplus middle layer | (2.52 ± 3.350) × 103 | 3.40 | 3.60 | 0.03 |
| Cotton inner layer | (7.31 ± 1.300) × 105 | 5.86 | 1.14 | 7.44 |