Surface Functionalization of Non-Woven Fabrics Using a Novel Silica-Resin Coating Technology: Antiviral Treatment of Non-Woven Fabric Filters in Surgical Masks
Abstract
:1. Introduction
2. Materials and Methods
2.1. Non-Woven Fabric Filter in Surgical Masks
2.2. Processing of Non-Woven Fabric Filters Using Silica-Resin Coating Technology
2.3. Scanning Electron Microscopy
2.4. Electron Probe Macroanalysis
2.5. Air Permeability Test of Silica-Resin Coating Technology-Treated Non-Woven Fabric Filters
2.6. Antiviral Efficacy of Non-Woven Fabric Filters Treated with Silica-Resin Coating Technology and Antimicrobial Agents
2.7. Reverse Transcription-Polymerase Chain Reaction
3. Results
3.1. Microstructure of Silica-Resin Coating Technology-Treated Non-Woven Fabric Filters
3.2. Electron Probe Microanalysis of Silica-Resin Coating Technology-Treated Non-Woven Fabric Filters
3.3. Air Permeability Test of Silica-Resin Coating Technology-Treated Non-Woven Fabric Filters
3.4. Antiviral Efficacy of Non-Woven Fabric Filters Treated with Silica-Resin Coating Technology and Antimicrobial Agents
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Antimicrobial Agents | Amount (g) | pH | Thickness (mm) | Weight (g) |
---|---|---|---|---|
Cetylpyridinium chloride | 2.0 | 6 | 0.19 | 0.97 |
Grapefruit seed extract | 2.0 | 6 | 0.18 | 0.99 |
Chlorhexidine gluconate (20%) | 3.0 | 6 | 0.15 | 1.06 |
Benzalkonium chloride (10%) | 16.0 | 6 | 0.12 | 1.01 |
Povidone iodine (10%) | 10.0 | 5.5 | 0.18 | 0.90 |
Hinokitiol (2%) | 25.0 | 6 | 0.22 | 0.90 |
Antimicrobial Agent | Amount (g) | Ct Value | Calculated TCID50 (/mL) | Inhibition Efficacy (%) |
---|---|---|---|---|
Cetylpyridinium chloride (CPC) | 2.0 | ND | <2.5 × 100 | >99.9994 |
Grapefruit seed extract (GSE) | 2.0 | ND | <2.5 × 100 | >99.9994 |
20% Chlorhexidine gluconate (CHX) | 3.0 | 45.2 | 2.5 × 100 | 99.9994 |
10% Benzalkonium chloride (BZC) | 16.0 | ND | <2.5 × 100 | >99.9994 |
10% Povidone iodine (PI) | 10.0 | 40.4 | 4.5 × 101 | 99.9998 |
2% Hinokitiol (HKL) | 25.0 | 47.8 | <2.5 × 100 | >99.9994 |
Control (non-woven fabric filter w/o any treatment) | N/A | 23.9 | 7.5 × 105 | N/A |
Control (non-woven fabric filter treated by silica-resin coating technology without any antimicrobial agent) | N/A | 24.5 | <4.5 × 105 | N/A |
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Tsutsumi-Arai, C.; Iwamiya, Y.; Hoshino, R.; Terada-Ito, C.; Sejima, S.; Akutsu-Suyama, K.; Shibayama, M.; Hiroi, Z.; Tokuyama-Toda, R.; Iwamiya, R.; et al. Surface Functionalization of Non-Woven Fabrics Using a Novel Silica-Resin Coating Technology: Antiviral Treatment of Non-Woven Fabric Filters in Surgical Masks. Int. J. Environ. Res. Public Health 2022, 19, 3639. https://doi.org/10.3390/ijerph19063639
Tsutsumi-Arai C, Iwamiya Y, Hoshino R, Terada-Ito C, Sejima S, Akutsu-Suyama K, Shibayama M, Hiroi Z, Tokuyama-Toda R, Iwamiya R, et al. Surface Functionalization of Non-Woven Fabrics Using a Novel Silica-Resin Coating Technology: Antiviral Treatment of Non-Woven Fabric Filters in Surgical Masks. International Journal of Environmental Research and Public Health. 2022; 19(6):3639. https://doi.org/10.3390/ijerph19063639
Chicago/Turabian StyleTsutsumi-Arai, Chiaki, Yoko Iwamiya, Reiko Hoshino, Chika Terada-Ito, Shunsuke Sejima, Kazuhiro Akutsu-Suyama, Mitsuhiro Shibayama, Zenji Hiroi, Reiko Tokuyama-Toda, Ryugo Iwamiya, and et al. 2022. "Surface Functionalization of Non-Woven Fabrics Using a Novel Silica-Resin Coating Technology: Antiviral Treatment of Non-Woven Fabric Filters in Surgical Masks" International Journal of Environmental Research and Public Health 19, no. 6: 3639. https://doi.org/10.3390/ijerph19063639