Near-Real Time Measurement of Carbonaceous Aerosol Using Microplasma Spectroscopy: Application to Measurement of Carbon Nanomaterials [0.03%]
基于微等离子体光谱技术的碳气溶胶准现场监测及纳米碳材料检测应用研究
Lina Zheng,Pramod Kulkarni,M Eileen Birch et al.
Lina Zheng et al.
A sensitive, field-portable microplasma spectroscopy method has been developed for real-time measurement of carbon nanomaterials. The method involves microconcentration of aerosol on a microelectrode tip for subsequent analysis for atomic c...
Application of direct-reading and elemental carbon analysis methods to measure mass-based penetration of carbon nanotubes through elastomeric half-face and filtering facepiece respirators [0.03%]
直接读数法和元素碳分析法在测量通过弹性半面罩和过滤式面罩呼吸器的基于质量的碳纳米管穿透率方面的应用
Evanly Vo,Ziqing Zhuang,Eileen Birch et al.
Evanly Vo et al.
The aim of this study was to apply a direct-reading aerosol instrument method and an elemental carbon (EC) analysis method to measure the mass-based penetration of single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (M...
Real-time measurement of size-resolved elemental composition ratio for flame synthesized composite nanoparticle aggregates using a tandem SMPS-ICP-OES [0.03%]
基于串联SMPS-ICP-OES技术的火焰合成复合纳米粒子团聚体元素组分实时测量研究
Nathan Reed,Jiaxi Fang,Sanmathi Chavalmane et al.
Nathan Reed et al.
Composite nanoparticles find application in catalysis, drug delivery, and energy storage and require increasingly fine control of their physical properties and composition. While composite nanoparticles have been widely synthesized and char...
Development of Portable Aerosol Mobility Spectrometer for Personal and Mobile Aerosol Measurement [0.03%]
用于个人和移动颗粒物测量的手持式气溶胶粒径谱仪开发研究
Pramod Kulkarni,Chaolong Qi,Nobuhiko Fukushima
Pramod Kulkarni
We describe development of a Portable Aerosol Mobility Spectrometer (PAMS) for size distribution measurement of submicrometer aerosol. The spectrometer is designed for use in personal or mobile aerosol characterization studies and measures ...
Preparation and characterization of polycaprolactone microspheres by electrospraying [0.03%]
静电纺丝法制备聚己内酯微球及其表征研究
Feng-Lei Zhou,Penny L Hubbard Cristinacce,Stephen J Eichhorn et al.
Feng-Lei Zhou et al.
The ability to reproducibly produce and effectively collect electrosprayed polymeric microspheres with controlled morphology and size in bulk form is challenging. In this study, microparticles were produced by electrospraying polycaprolacto...
Miniature Differential Mobility Analyzer for Compact Field-Portable Spectrometers [0.03%]
便携式质谱仪的微型气溶胶粒径分类器离子聚焦机构
Chaolong Qi,Pramod Kulkarni
Chaolong Qi
A low-flow miniature differential mobility analyzer (mDMA) has been developed for compact field-portable mobility spectrometers to classify the submicrometer aerosol. The mDMA was designed for an ultra-low aerosol flow rate of 0.05 L/min. A...
A Granular Bed for Use in a Nanoparticle Respiratory Deposition Sampler [0.03%]
一种用于纳米颗粒呼吸沉积采样器的多孔介质床结构
Jae Hong Park,Imali A Mudunkotuwa,Levi W D Mines et al.
Jae Hong Park et al.
A granular bed was designed to collect nanoparticles as an alternative to nylon mesh screens for use in a nanoparticle respiratory deposition (NRD) sampler. The granular bed consisted of five layers in series: a coarse mesh, a large-bead la...
Donna J H Vosburgh,Timothy Klein,Maura Sheehan et al.
Donna J H Vosburgh et al.
A four-stage personal diffusion battery (pDB) was designed and constructed to measure submicron particle size distributions. The pDB consisted of a screen-type diffusion battery, solenoid valve system, and electronic controller. A data inve...
In Vitro Evaluation of a Device for Intra-Pulmonary Aerosol Generation and Delivery [0.03%]
肺内气溶胶生成和输送设备的体外评估
Zeeshan H Syedain,Amir A Naqwi,Myrna Dolovich et al.
Zeeshan H Syedain et al.
For infants born with respiratory distress syndrome (RDS), liquid bolus delivery of surfactant administered through an endotracheal tube is common practice. While this method is generally effective, complications such as transient hypoxia, ...
Profile and Morphology of Fungal Aerosols Characterized by Field Emission Scanning Electron Microscopy (FESEM) [0.03%]
场发射扫描电子显微镜下空气中真菌气溶胶的形貌学特征分析
Komlavi Anani Afanou,Anne Straumfors,Asbjørn Skogstad et al.
Komlavi Anani Afanou et al.
Fungal aerosols consist of spores and fragments with diverse array of morphologies; however, the size, shape, and origin of the constituents require further characterization. In this study, we characterize the profile of aerosols generated ...