Effect of selected sampling media, flow rate, and time on the sampling efficiency of a liquid impinger packed with glass beads for the collection of airborne viruses [0.03%]
采样介质、流速和时间对玻璃珠填充液冲瓶采集空气中的病毒效率的影响研究
Yen-Chi Chen,I-Jen Wang,Chih-Ching Cheng et al.
Yen-Chi Chen et al.
The liquid impingers can be used for sampling of viral aerosols, such as COVID-19 virus, influenza, and measles. However, the lowest cutoff diameter of commercially available liquid impingers was about 0.3 μm, and the physical collection e...
Urban-scale variation in pollen concentrations: A single station is insufficient to characterize daily exposure [0.03%]
单个监测点不足以表征日常花粉暴露风险
Daniel S W Katz,Stuart A Batterman
Daniel S W Katz
Epidemiological analyses of airborne allergenic pollen often use concentration measurements from a single station to represent exposure across a city, but this approach does not account for the spatial variation of concentrations within the...
Efficacy of 75% alcohol in pretreatment of the Andersen sampler in trapping maximum airborne microbes [0.03%]
75%酒精处理安德森采样器捕获空气微生物的最大效率研究
Yan Zhao,Jingwei Zhang,Shumei Wang et al.
Yan Zhao et al.
The present study was conducted to evaluate the effects of the pretreatment methods and sampling time on the sampling of airborne bacteria in hospitals. Methods for the pretreatment of Andersen samplers, namely, non-sterilized, 75% ethanol ...
Pollen production for 13 urban North American tree species: Allometric equations for tree trunk diameter and crown area [0.03%]
13种北美城市行道树的花粉产量：树干直径和冠层面积的经验公式
Daniel S W Katz,Jonathan R Morris,Stuart A Batterman
Daniel S W Katz
Estimates of airborne pollen concentrations at the urban scale would be useful for epidemiologists, land managers, and allergy sufferers. Mechanistic models could be well suited for this task, but their development will require data on poll...
COVID-19 lockdown: a boon in boosting the air quality of major Indian Metropolitan Cities [0.03%]
新冠疫情封锁令印度主要城市空气品质大幅提升
Devendra Singh Rathore,Chirmaie Nagda,Bhavya Singh Shaktawat et al.
Devendra Singh Rathore et al.
Abstract: The COVID-19 lockdown has not only helped in combating the community transmission of SARS-CoV-2 but also improved air quality in a very emphatic manner in most of the countries. In India, the first phase of COVI...
Disinfection efficiency of hospital infectious disease wards with chlorine dioxide and hypochlorous acid [0.03%]
二氧化氯和次氯酸用于医院传染病病房消毒效果探讨
Ming-Chun Lu,Po-Lin Chen,Da-Ji Huang et al.
Ming-Chun Lu et al.
The disinfection efficiencies of two chemical disinfectants, chlorine dioxide and weak acid hypochlorous water (WAHW), were examined in the soiled room and dishwashing room of a hospital infectious disease ward in Taiwan. The investigations...
Assessment of culturable airborne bacteria of indoor environments in classrooms, dormitories and dining hall at university: a case study in China [0.03%]
中国大学教室、宿舍和餐厅室内环境可培养的空气细菌评估：一项案例研究
Yanju Li,Yanhui Ge,Chunbin Wu et al.
Yanju Li et al.
University students' health may be adversely affected by exposure to indoor bacterial contaminants on their campuses. This study aims (1) to quantify culturable bacterial concentrations in three indoor environments at a university, (2) to i...
Victor Bandaly,Aurélie Joubert,Yves Andres et al.
Victor Bandaly et al.
Viral aerosols can lead to respiratory viral infections with high infectivity. About 90% of people's time is spent in closed environments. A few studies have pointed out that the ventilation systems in air handling units (AHUs) that treat a...
Identification of airborne bacteria by 16S rDNA sequencing, MALDI-TOF MS and the MIDI microbial identification system [0.03%]
基于16SrDNA测序、基质辅助激光解析电离飞行时间质谱及微生物鉴定系统对空气细菌的鉴定研究
Else Marie Fykse,Torbjörn Tjärnhage,Tarmo Humppi et al.
Else Marie Fykse et al.
The aim of this study was to collect and identify airborne bacteria in Norway, Sweden and Finland and to compare three different technologies for identifying collected airborne bacterial isolates: the "gold standard" method 16S rDNA sequenc...
Characteristics of airborne Staphylococcus aureus (including MRSA) in Chinese public buildings [0.03%]
中国公共建筑内空气传播的金黄色葡萄球菌(包括MRSA)的特征分析
Xiaoxia Li,Yuyu Qiu,Ailian Yu et al.
Xiaoxia Li et al.
The aim of this study was to evaluate the concentration and size distribution of airborne culturable Staphylococcus aureus (S. aureus) (including MRSA) in Chinese public buildings. Air samples were collected, using six-stage Andersen sample...