Assessment the protection performance of different level personal respiratory protection masks against viral aerosol [0.03%]
评估不同等级个人呼吸道防护口罩的病毒气溶胶防护性能
ZhanBo Wen,Long Yu,WenHui Yang et al.
ZhanBo Wen et al.
New viral disease such as SARS and H1N1 highlighted the vulnerability of healthcare workers to aerosol-transmitted viral infections. This paper was to assess the protection performance of different level personal respiratory protection equi...
Determining the filtration efficiency of half-face medical protection mask (N99) against viral aerosol [0.03%]
测定半面式医疗防护口罩（N99）对病毒气溶胶过滤效率的方法研究
ZhanBo Wen,JianChun Lu,JinSong Li et al.
ZhanBo Wen et al.
Hospital-based outbreaks of severe acute respiratory syndrome (SARS) have once again highlighted the vulnerability of healthcare workers (HCWs). Use of personal respiratory protective equipment was the main method used by HCWs to avoid noso...
Effects of different sampling solutions on the survival of bacteriophages in bubbling aeration [0.03%]
不同取样溶液对气提法采样中噬菌体存活率的影响研究
Long Yu,Zhanbo Wen,Jinsong Li et al.
Long Yu et al.
The present study focuses on the effects of three different sampling solutions, namely distilled water, phosphatic buffer solution, and suspension medium (SM), adding antifoam or not, on the survival probability of several different bacteri...
Zhanbo Wen,Long Yu,Wenhui Yang et al.
Zhanbo Wen et al.
PCR quantification is regarded as one of the most promising techniques for real-time identification of bio-aerosols. We have, therefore, validated a QPCR assay for quantification of a viral aerosol sample using the double-stranded DNA-bindi...
Effects of humidity and other factors on the generation and sampling of a coronavirus aerosol [0.03%]
湿度及其他因素对冠状病毒气溶胶产生及采样的影响
Seung Won Kim,M A Ramakrishnan,Peter C Raynor et al.
Seung Won Kim et al.
Suspensions of transmissible gastroenteritis virus (TGEV), a porcine coronavirus, were nebulized at rates of 0.1-0.2 ml/min into moving air using a Collison nebulizer or a plastic medical nebulizer operating at pressures ranging from 7 to 1...
Fiona Lo,Cecilia M Bitz,David S Battisti et al.
Fiona Lo et al.
Pollen is a common allergen that causes significant health and financial impacts on up to a third of the population of the USA. Knowledge of the main pollen season can improve diagnosis and treatment of allergic diseases. Our objective in t...
Joanna Depciuch,Idalia Kasprzyk,Elzbieta Drzymała et al.
Joanna Depciuch et al.
In this study, the morphology and chemical composition of pollen grains of six birch species (Betula utilis Doorenbos, B. dahurica, B. maximowicziana, B. pendula, B. pubescens and B. humilis) were examined to verify which of these features ...
The impact of meteorological conditions on the concentration of alder pollen in Sosnowiec (Poland) in the years 1997-2017 [0.03%]
1997-2017年波兰苏斯诺韦地区气象条件对桤木花粉浓度的影响
Katarzyna Dąbrowska-Zapart,Kazimiera Chłopek,Tadeusz Niedźwiedź
Katarzyna Dąbrowska-Zapart
The aim of the work was to compare the alder pollen seasons in the years 1997-2017 in Sosnowiec. The measurements of pollen concentration were taken with the volumetric method using Burkard's apparatus. The impact of atmospheric conditions ...
Field Studies Measuring the Aerosolization of Endotoxin During the Land Application of Class B Biosolids [0.03%]
关于土地应用类B生物固体产生内毒素气溶胶的现场研究测量
R F Herrmann,R J Grosser,D Farrar et al.
R F Herrmann et al.
Endotoxins are a component of Gram-negative bacteria cell walls and are known to be present in biosolids. Endotoxins have been shown to be potent stimulators of the innate immune response causing airway irritation and shortness of breath. C...
Influence of meteorological factors on the level and characteristics of culturable bacteria in the air in Gliwice, Upper Silesia (Poland) [0.03%]
气象因素对波兰上西里西亚格利维茨市空气中可培养细菌水平和特征的影响
Ewa Brągoszewska,Józef S Pastuszka
Ewa Brągoszewska
Numerous studies have focused on occupational and indoor environments because people spend more than 90% of their time in them. Nevertheless, air is the main source of bacteria in indoors, and outdoor exposure is also crucial. Worldwide stu...