Simultaneous transmission and absorption photometry of carbon-black absorption from drop-cast particle-laden filters [0.03%]
分次投吸光法测量从滤膜上滴落的炭黑颗粒吸收特性
Cary Presser,James G Radney,Matthew L Jordan et al.
Cary Presser et al.
Simultaneous transmissivity and absorptivity measurements were carried out in the visible at a laser wavelength of 532 nm on drop-cast, carbon-black-laden filters under ambient (laboratory) conditions. The focus of this investigation was to...
Effect of Particle Size on the Performance of an N95 Filtering Facepiece Respirator and a Surgical Mask at Various Breathing Conditions [0.03%]
粒径对N95口罩和医用外科口罩在不同呼吸条件下性能的影响研究
Xinjian He,Tiina Reponen,Roy T McKay et al.
Xinjian He et al.
The effect of aerosol particle size on the performance of an N95 filtering facepiece respirator (FFR) and a surgical mask (SM) was evaluated under different breathing conditions, including breathing frequency and mean inspiratory flow (MIF)...
Electronic cigarette-generated aldehydes: The contribution of e-liquid components to their formation and the use of urinary aldehyde metabolites as biomarkers of exposure [0.03%]
电子香烟产生的醛类：液剂成分对其形成的贡献及利用尿液中醛的代谢物作为暴露标志物
Daniel J Conklin,Mumiye A Ogunwale,Yizheng Chen et al.
Daniel J Conklin et al.
Electronic cigarettes (e-cigarette) have emerged as a popular electronic nicotine delivery system (ENDS) in the last decade. Despite the absence of combustion products and toxins such as carbon monoxide (CO) and tobacco-specific nitrosamine...
Determination of the distribution of infectious viruses in aerosol particles using water-based condensational growth technology and a bacteriophage MS2 model [0.03%]
采用基于水的凝聚生长技术和噬菌体MS2模型测定气溶胶颗粒中感染性病毒的分布
Maohua Pan,Leah Carol,John A Lednicky et al.
Maohua Pan et al.
Inhalation of aerosols containing pathogenic viruses can result in morbidity, in some cases leading to mortality. The objective of this study was to develop a model for assessing how infectious viruses might distribute in airborne particles...
Collection of soot particles into aqueous suspension using a particle-into-liquid sampler [0.03%]
采用颗粒物采样器收集烟炱粒子的水悬浮液
Anna Wonaschuetz,Theresa Haller,Eva Sommer et al.
Anna Wonaschuetz et al.
Steam collection devices collecting aerosol particles into liquid samples are frequently used to analyze water-soluble particulate material. The fate of water-insoluble components is often neglected. In this work, we show that fresh soot pa...
Field Performance of a Novel Passive Bioaerosol Sampler using Polarized Ferroelectric Polymer Films [0.03%]
一种新型利用极化铁电聚合物薄膜被动采集生物气溶胶采样器的现场性能研究
Jennifer Therkorn,Nirmala Thomas,Jerry Scheinbeim et al.
Jennifer Therkorn et al.
Passive bioaerosol samplers can improve environmental and health protection by enhancing the practicality and cost-effectiveness of air sampling. Here, we present the outdoor field testing of a novel, passive bioaerosol sampler, the Rutgers...
Design and Evaluation of an Aerodynamic Focusing Micro-Well Aerosol Collector [0.03%]
一种气动聚焦微滴空气收集器的设计与评价
Jiayang He,Igor V Novosselov
Jiayang He
Aerosol sampling and identification is vital for the assessment and control of particulate matter pollution, airborne pathogens, allergens, and toxins and their effect on air quality, human health, and climate change. In-situ analysis of ch...
Generation of High Concentrations of Respirable Solid-Phase Aerosols from Viscous Fluids [0.03%]
从黏性液体中生成高浓度的可吸入固体气溶胶粒子
Xin Heng,Donovan B Yeates
Xin Heng
High outputs of respirable solid-phase aerosols were generated from viscous solutions or suspensions of low and high molecular weight polyvinylprrolidone (PVP) solutions, 10% (w/v) albumin and, gamma-globulin solutions as well as 10.3% (w/v...
Dihydroxyacetone levels in electronic cigarettes: Wick temperature and toxin formation [0.03%]
电子烟中二羟基丙酮的水平：导线温度和毒素形成
Shawna Vreeke,Tetiana Korzun,Wentai Luo et al.
Shawna Vreeke et al.
Recently, we reported the presence of dihydroxyacetone (DHA), the active ingredient in sunless tanners, in the aerosol of an electronic cigarette. DHA has been shown to react with DNA in vitro. The FDA restricts the use of DHA to external a...
Computational Analysis of Deposition and Translocation of Inhaled Nicotine and Acrolein in the Human Body with E-cigarette Puffing Topographies [0.03%]
基于电子烟抽吸模式的人体吸入尼古丁和烯醛沉积及转运的计算分析
Ahmadreza Haghnegahdar,Yu Feng,Xiaole Chen et al.
Ahmadreza Haghnegahdar et al.
Recently, toxicants such as formaldehyde and acrolein were detected in electronic cigarette (EC) aerosols. It is imperative to conduct research and provide sufficient quantitative evidence to address the associated potential health risks. H...