更为有效,这一专家团队公布最新紫外研发进展
行家说UV 导读:
日前,哥伦比亚团队展示了222nm远紫外光比通风系统更好地防止空气传播疾病传播的潜力。
根据了解,哥伦比亚大学研究人员在《科学报告》上发表的一项研究表明引领那么Far-UVC在工作环境中,光几乎灭活了所有(>99%)空气传播的病毒,这表明该技术在现实生活中和在实验室中一样有效。
哥伦比亚大学瓦格洛斯内外科医学院放射研究中心主任、该研究的资深作者David Brenner说 “虽然目前还没有222nmFar-UVC-LED,但是这些结果凸显了开发固态远UVC发射器的潜力。根据实验结果表明,到目前为止紫外线对于减少普通房间内空气传播的病原体非常有效,因此使用远距离消毒是很实用的。”
根据资料显示,常规杀菌紫外线医院经常使用灯光对房间进行消毒。然而直接暴露在传统环境下可能会伤害皮肤和眼睛,因此只能在房间空着时才能打开。为此David Brenner目标是当人们在房间里时能够持续净化房间。”
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为此,研究团队在哥伦比亚大学一个清洁实验室小鼠笼子的房间进行测试,大多数老鼠都携带一种诺如病毒,这种病毒不会使动物或人类生病,但当笼子被清洁时,高浓度的病毒会通过空气传播。研究人员在笼子清洁室安装Far-UVC灯,并收集每日空气样本,比较开灯日和关灯日的传染性病毒水平。
David Brenner表示:“根据最初的敏感性测试,其预计空气传播的病毒会减少约66%。”结果是,传染性空气传播的病毒减少了99.8%,远远超出了预期,超过典型的空气过滤和通风。
目前Far-UVC灯具正在安装中在更多的公共场所,对空气传播的病原体的减少进行相应的测量。David Brenner的团队还在进行实验室研究,以直接量化远距离的影响紫外线阐明空气传播疾病的传播。
来源:综合整理
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