新兴创新型紫外线消毒技术（第二部分）：对 SARS-CoV-2 的病毒杀灭活性。
An Emerging Innovative UV Disinfection Technology (Part II): Virucide Activity on SARS-CoV-2.
机构信息
Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy.
Department of Molecular and Developmental Medicine, Post Graduate School of Public Health, University of Siena, 53100 Siena, Italy.
出版信息
Int J Environ Res Public Health. 2021 Apr 7;18(8):3873. doi: 10.3390/ijerph18083873.
The coronavirus SARS-CoV-2 pandemic has become a global health burden. Surface sanitation is one of the key points to reduce the risk of transmission both in healthcare and other public spaces. UVC light is already used in hospital and laboratory infection control, and some recent studies have shown its effectiveness on SARS-CoV-2. An innovative UV chip technology, described in Part I of this study, has recently appeared able to overcome the limits of old lamps and is proposed as a valid alternative to LEDs. This study was designed to test the virucidal activity on SARS-CoV-2 of a device based on the new UV chip technology. Via an initial concentration of virus suspension of 10 TCID/mL, the tests revealed a viral charge reduction of more than 99.9% after 3 min; the maximum detectable attenuation value of Log = 5.7 was measured at 10 min of UV exposure.
冠状病毒 SARS-CoV-2 大流行已成为全球健康负担。表面卫生是降低医疗和其他公共场所传播风险的关键要点之一。UVC 光已在医院和实验室感染控制中使用，最近的一些研究表明其对 SARS-CoV-2 有效。本研究第一部分中描述的一种创新 UV 芯片技术最近似乎能够克服旧灯的限制，并被提议作为 LED 的有效替代品。本研究旨在测试基于新 UV 芯片技术的设备对 SARS-CoV-2 的病毒杀灭活性。通过初始病毒悬液浓度为 10 TCID/mL，测试结果显示，在 3 分钟后病毒载量减少了 99.9%以上；在 10 分钟的 UV 照射下，检测到的最大衰减值为 Log = 5.7。
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