Cellular responses of lung cells cultured at an Air-liquid Interface are influenced by spatial nanoparticle deposition patterns in an in vitro aerosol exposure system [0.03%]
基于体外气溶胶暴露系统的空间纳米粒子沉积模式影响肺细胞空气-液体界面培养的细胞反应
Sripriya Nannu Shankar,Amber OConnor,Kiran Mital et al.
Sripriya Nannu Shankar et al.
The deposition of inhaled particles is typically highly localized in both the bronchial and alveolar region of the lung displaying spot-like, line-like and other deposition patterns. However, knowledge is very limited on how different depos...
Susanne Hering,Stavros Amanatidis,Arantza Eiguren-Fernandez et al.
Susanne Hering et al.
A "Community Condensation Particle Counter" (cCPC) has been developed to provide an affordable monitor of airborne particle number concentrations. The cCPC is an expansion-type condensation particle counter that incorporates single particle...
Application and validation of a wearable monitor for assessing time- and location-resolved exposures to particulate matter in California's Central Valley [0.03%]
加利福尼亚中央谷地区可入肺颗粒物暴露时间及位置分辨率监测的应用与验证研究——使用穿戴式颗粒物监测器
Xiaoying Li,Jessica Tryner,Bonnie N Young et al.
Xiaoying Li et al.
Reliable assessment of personal exposure to air pollution remains a challenge due to the limitations of monitoring technology. Recent technology developments, such as reductions in the size and cost of samplers as well as incorporation of c...
Occupational exposure monitoring of airborne respiratory viruses in outpatient medical clinics [0.03%]
门诊医疗机构呼吸道病毒气溶胶职业暴露监测
William B Vass,Amin Shirkhani,Mohammad Washeem et al.
William B Vass et al.
Exposure to airborne respiratory viruses can be a health hazard in occupational settings. In this study, air sampling was conducted from January to March 2023 in two outpatient medical clinics-one primary care clinic and one clinic dedicate...
3D printed micro-cyclones with improved geometries for low-cost aerosol size separation [0.03%]
一种低成本气溶胶分级的改进几何结构的微旋风3D打印技术
Derek Goderis,Yao Xiao,Ali Alotbi et al.
Derek Goderis et al.
The impact of suspended particles on health, climate, and industrial applications is highly size-dependent. Thus, regulations are typically based on particles with diameters below a specific size, such as particulate matter less than 2.5 μ...
Impact of Chemical Speciation Network method changes on time series ion and carbon species concentrations [0.03%]
化学物种法变化对时间序列离子和碳物种浓度的影响
Kamaljeet Kaur,Jenna R Krall,Cesunica Ivey et al.
Kamaljeet Kaur et al.
Numerous studies rely on long-term PM2.5 speciation data from the EPA's Chemical Speciation Network (CSN), for example, to estimate health impacts or investigate the sources and transport of PM2.5 pollution. These studies rely on consistent...
The microphysics of surrogates of exhaled aerosols from the upper respiratory tract [0.03%]
上呼吸道呼出气溶胶替代品的微物理学研究
Jianghan Tian,Robert W Alexander,Daniel A Hardy et al.
Jianghan Tian et al.
Airborne transmission plays a significant role in the transmission of respiratory diseases such as COVID-19, for which the respiratory aerosol droplets are responsible for the transportation of potentially infectious pathogens. However, the...
Dust resuspension from the splash of a falling powder: A numerical aerodynamic simulation of a pellet falling onto a powder monolayer [0.03%]
落粉溅起的粉尘再悬浮:颗粒物落到单层粉尘上的数值空气动力学模拟
Leonid A Turkevich,Hongyu Chen,Milind A Jog
Leonid A Turkevich
A falling powder can generate a dust cloud from its interaction with the ambient air and from its splash onto a substrate. This article reports the results of a numerical simulation study, which attempts to model this second process. We arg...
Influence of relative humidity and aging on the optical properties of organic aerosols from burning African biomass fuels [0.03%]
相对湿度和老化对燃烧非洲生物质燃料产生的有机气溶胶的光学特性的影响
Megan M McRee,Vaios Moschos,Marc N Fiddler et al.
Megan M McRee et al.
Biomass burning (BB) is a major source of atmospheric fine carbonaceous aerosols, which play a significant, yet uncertain, role in modulating the Earth's radiation balance. However, accurately representing their optical properties in climat...
Airborne bacteria in institutional and commercial buildings in Korea: characterization with 16S rRNA gene sequencing and association with environmental conditions [0.03%]
韩国机构和商用建筑中的气溶胶细菌:通过16S rRNA基因测序进行特征描述及其与环境条件的关系
Yea Joon Kim,Bong Gu Lee,Joo Eun Shim et al.
Yea Joon Kim et al.
Information on microorganisms in indoor air of various institutional and commercial buildings has significant value in a public health management perspective. However, there is a lack of prior research comparing indoor airborne microbiota a...