고병원성 조류인플루엔자(H5N1)에 대한 이산화티타늄 광촉매 처리 필름의 항바이러스성 연구
Antiviral Effects of Titanium Dioxide Photocatalyst Treated Films against Highly Pathogenic Avian Influenza
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고병원성 조류독감 바이러스(H5N1)에 대한 피해가 지속적으로 증가하고 있으나, 이에 대한 항바이러스성 연구는 부족한 상황이다. 본 연구에서는 폴리에틸렌 필름에 Cu/TiO2 광촉매를 코팅하여 H5N1에 대한 항바이러스 특성을 분석하였다. 시료는 광촉매 마스터배치를 제조하여 압출코팅기에서 280℃로 3중 레이어 폴리에틸렌 원단의 양면을 코팅하였다. 그 결과 황색포도상구균과 대장균의 균수가 99.9% 감소되는 것으로 나타났다. 특히 인체감염이 가능한 H5N1형 고병원성 조류인플루엔자는 Cu/TiO2계 필름에 접촉 5분 이내 99.9% 감소하는 것으로 확인되었다. 광촉매를 코팅한 필름의 항균성에 대해서는 알려져 있지만 본 연구를 통해 항바이러스성에 대해서도 확인이 가능하였다.
Abstract
Damage to the highly pathogenic avian influenza virus(H5N1) continues to increase, but there is a lack of antiviral research. In this study, we analyze antiviral properties on H5N1 by coating Cu/TiO2 photocatalyst on polyethylene films. The specimen was manufactured a photocatalyst master batch and coated both sides of the 3-layer polyethylene fabric at 280℃ from the extrusion coating machine. The results showed a 99.9% decrease in the Staphylococcus aureus and Escherichia coli. In particular, H5N1 type highly pathogenic avian influenza viruses, which is capable of human infection, has been found to decrease 99.9% within five minutes of contact with Cu/TiO2 films. Antibacterial effects of films coated with photocatalyst are known, but this study also confirmed the antiviral effects.
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