紫外线- c装置对个人防护用品织物和N95口罩消毒效果的研究

IF 1.5 4区 工程技术
Kumari Moothedath Chandran, Praveen C Ramamurthy, Kawkab Kanjo, Rohan Narayan, S Raghu Menon
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引用次数: 7

摘要

自2019冠状病毒病(COVID-19)大流行爆发以来,大量紫外线c (UV-C)消毒产品进入市场,尤其是在新兴经济体。手机、食品包装、口罩和个人防护用品等日常用品的uv -c消毒产品作为消费品在流行的电子商务平台上销售。从跨国公司到初创公司的产品设计师开始设计UV-C消毒产品,但没有现有技术参考,用户反馈或产品功效验证,这是产品设计的重要阶段。紫外线- c消毒产品的杀病毒效果不能被大多数消费者评估。许多公司进入UV-C产品领域,不知道必要的验证要求。由于各国封锁,缺乏病毒学实验室的可用性和可及性,以及缺乏UV-C消毒产品的标准和认证,限制了产品设计师和公司在投放市场之前对其基于UV-C的设备进行基准测试。本工作通过对照实验,评估了两种UV-C消毒装置对PPE织物和美国国家职业安全与卫生研究所(NIOSH)认证的N95口罩的杀病毒效果。H1N1病毒被包裹,并通过与导致COVID-19的严重急性呼吸综合征冠状病毒2 (SARS-CoV-2)相似的呼吸途径传播。该实验还评估了化学消毒剂与UV-C消毒的效果。讨论了PPE消毒样品的材料选择、紫外线剂量计算和紫外线耐久试验。本工作的结果建立了一个系统的方法来验证UV-C消毒产品的功效。设计指南将有利于产品设计师设计基于uv - c的消毒产品。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Efficacy of Ultraviolet-C Devices for the Disinfection of Personal Protective Equipment Fabrics and N95 Respirators.

Efficacy of Ultraviolet-C Devices for the Disinfection of Personal Protective Equipment Fabrics and N95 Respirators.

Efficacy of Ultraviolet-C Devices for the Disinfection of Personal Protective Equipment Fabrics and N95 Respirators.

Efficacy of Ultraviolet-C Devices for the Disinfection of Personal Protective Equipment Fabrics and N95 Respirators.

Since the onset of the coronavirus disease 2019 (COVID-19) pandemic, a plethora of ultraviolet-C (UV-C) disinfection products have come to market, especially in emerging economies. UV-C-based disinfection products for mobile phones, food packaging, face masks and personal protective equipment (PPE), and other everyday objects are available in popular electronic-commerce platforms as consumer products. Product designers from multinational to startup companies began to design UV-C disinfection products but had no prior-art reference, user feedback, or validation of product efficacy, which are important stages in product design. A UV-C disinfection product cannot be assessed by most consumers for its viricidal efficacy. Many firms entered the domain of UV-C products and were unaware of the necessary validation requirements. Lack of availability and access to virology laboratories, due to lockdowns in countries, and lack of standards and certification for UV-C disinfection products limited product designers and firms in benchmarking their UV-C-based devices before market release. This work evaluates two UV-C disinfection devices for viricidal efficacy on PPE fabric and National Institute for Occupational Safety and Health (NIOSH)-certified N95 respirators through controlled experiments using the H1N1 virus, which is enveloped and is transmitted via the respiratory route similar to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the cause of COVID-19. The experiment also evaluated the effectiveness of chemical disinfectants along with and versus UV-C disinfection. Experiments for material selection, UV dose calculation, and UV endurance of PPE samples to be disinfected are also discussed. The outcome of this work establishes a systematic method to validate the efficacy of UV-C disinfection products. The design guidelines would benefit product designers in designing UV-C-based disinfection products.

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来源期刊
自引率
33.30%
发文量
10
期刊介绍: The Journal of Research of the National Institute of Standards and Technology is the flagship publication of the National Institute of Standards and Technology. It has been published under various titles and forms since 1904, with its roots as Scientific Papers issued as the Bulletin of the Bureau of Standards. In 1928, the Scientific Papers were combined with Technologic Papers, which reported results of investigations of material and methods of testing. This new publication was titled the Bureau of Standards Journal of Research. The Journal of Research of NIST reports NIST research and development in metrology and related fields of physical science, engineering, applied mathematics, statistics, biotechnology, information technology.
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