利用天然海盐颗粒的抗菌空气过滤器来灭活空气中的细菌颗粒。

Graduate School of Energy and Environment, Korea University, Seoul 02841, Korea.

Aerosol and Bioengineering Laboratory, College of Engineering, Konkuk University, Seoul 05029, Korea.

Int J Environ Res Public Health. 2019 Dec 27;17(1):190. doi: 10.3390/ijerph17010190.

We developed an antimicrobial air filter using natural sea salt (NSS) particles. Airborne NSS particles were produced via an aerosol process and were continuously coated onto the surface of an air filter under various deposition times. The filtration efficiency and bactericidal performance of the NSS-coated filter against aerosolized bacterial particles (, ) were evaluated quantitatively. The filtration efficiency of the tested filter ranged from 95% to 99% depending on the deposition time, and the bactericidal performance demonstrated efficiencies of more than 98% against both tested bacterial bioaerosols when the NSS deposition ratio was more than 500 μg/cm. The experimental results indicated that the NSS-coated filters have the potential to be used as effective antimicrobial air filters for decreasing environmental exposure to microbial contaminants.

我们开发了一种使用天然海盐 (NSS) 颗粒的抗菌空气过滤器。通过气溶胶工艺产生空气传播的 NSS 颗粒，并在不同的沉积时间下将其连续涂覆在空气过滤器的表面上。定量评估了 NSS 涂层过滤器对雾化细菌颗粒（，）的过滤效率和杀菌性能。测试过滤器的过滤效率根据沉积时间从 95%到 99%不等，当 NSS 沉积率大于 500μg/cm 时，NSS 涂层过滤器对两种测试细菌生物气溶胶的杀菌性能均超过 98%。实验结果表明，NSS 涂层过滤器具有作为有效抗菌空气过滤器的潜力，可用于减少环境中微生物污染物的暴露。