Figure 6
(A) The antiviral properties of 5 mg/cm2 of NaCl-coated filters, effect of layers; (F-value 84.8; P-value 2.57 × 10–15) (B) The antiviral properties of 5 mg/cm2 of NaCl-Tween 20 (50:1) coated filters, effect of coating loading and layers; (Uncoated: Average = 5.0 × 107 PFU/mL, σ = 3.2 × 107 PFU/mL, 1-Layer, 2 Layers and 3 Layers was below detection limit) (C) The antiviral properties of 0.1 mg/cm2 of Tween 20 coated filters, effect of layers; (Uncoated: Average = 4.03 × 107 PFU/mL σ = 1.7 × 107 PFU/mL, 1 Layer Tween20: Average = 1.60 × 102 PFU/mL, σ = 4.2 × 101 PFU/mL (T(10) = 43.6 P-value = 8.2 × 10–7) 2 Layers and 3 Layers was below detection limit) and D) The penetration of the active virus(Uncoated front layer: Average = 5.03 × 107 PFU/mL, σ = 1.5 × 107 PFU/mL, non-coated N95: Average = 2.4 × 104 PFU/mL σ = 2 × 102 PFU/mL, N95 sublayer of NaCl: Average = 1.1 × 103 PFU/mL, σ = 2.3 × 102 PFU/mL, NaCl vs N95 sublayer significance (T(10) = 43.6 P-value = 8.2 × 10–7 ), Tween20 and NaCl- Tween20 was below detection limit ).
