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Article
Formation and evolution of secondary particulate matter during heavy haze pollution episodes in winter in a severe cold climate region of Northeast China
The formation and evolution of sulfate (SO42−) and nitrate (NO3−) secondary contaminants under different stages of pollution episodes and different meteorological and emission conditions were compared, based on t...
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Article
The roles of leaf area index and albedo in vegetation induced temperature changes across China using modelling and observations
The biophysical effects of vegetation changes are important in determining future climate changes using climate model. However, compared to observations, model has biases in energy exchange between vegetation ...
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Article
Influence of High Relative Humidity on Secondary Organic Carbon: Observations at a Background Site in East China
To investigate the impacts of relative humidity (RH) on secondary organic aerosol (SOA) concentrations and chemical reactions, the carbonaceous aerosol components [i.e., organic carbon (OC) and element carbon ...
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Article
Open AccessA global view on the effect of water uptake on aerosol particle light scattering
A reference dataset of multi-wavelength particle light scattering and hemispheric backscattering coefficients for different relative humidities (RH) between RH = 30 and 95% and wavelengths between λ = 450 nm and ...
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Article
Identifying the Geographic Indicators of Poverty Using Geographically Weighted Regression: A Case Study from Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Poverty is a major problem that has consistently impacted human development. The spatial characteristics of poverty are nonvolatile at the regional level and represent the primary factors underlying the spatia...
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Article
Water-soluble ion components of PM10 during the winter-spring season in a typical polluted city in Northeast China
From January 1 to April 22, 2014, an online analyzer for monitoring aerosols and gases (MARGA) was used to measure and analyze water-soluble ions in inhalable particulate matter with a diameter less than 10 μm...
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Article
Open AccessDuplex fluorescence melting curve analysis as a new tool for rapid detection and differentiation of genotype I, II and Bartha-K61 vaccine strains of pseudorabies virus
Recently, pseudorabies (PR) outbreaks have been reported in a large number of swine herds vaccinated with the Bartha-K61 vaccine in China, the current pseudorabies virus (PRV) belonging to Genotype II is diffe...
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Article
Comparison of Submicron Particles at a Rural and an Urban Site in the North China Plain during the December 2016 Heavy Pollution Episodes
An extensive field experiment for measurement of physical and chemical properties of aerosols was conducted at an urban site in the Chinese Academy of Meteorological Sciences (CAMS) in Bei**g and at a rural s...
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Article
Aerosol Hygroscopicity during the Haze Red-Alert Period in December 2016 at a Rural Site of the North China Plain
A humidification system was deployed to measure aerosol hygroscopicity at a rural site of the North China Plain during the haze red-alert period 17–22 December 2016. The aerosol scattering coefficients under d...
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Article
Chemical Components, Variation, and Source Identification of PM1 during the Heavy Air Pollution Episodes in Bei**g in December 2016
Air pollution is a current global concern. The heavy air pollution episodes (HPEs) in Bei**g in December 2016 severely influenced visibility and public health. This study aims to survey the chemical compositi...
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Article
Open AccessRole of Quzhou Fructus Aurantii Extract in Preventing and Treating Acute Lung Injury and Inflammation
Quzhou Fructus Aurantii (QFA) is an authentic herb of local varieties in Zhejiang, China, which is usually used to treat gastrointestinal illnesses, but its effects on respiratory inflammation have not been re...
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Article
Relative contributions of boundary-layer meteorological factors to the explosive growth of PM2.5 during the red-alert heavy pollution episodes in Bei**g in December 2016
Based on observations of urban mass concentration of fine particulate matter smaller than 2.5 μm in diameter (PM2.5), ground meteorological data, vertical measurements of winds, temperature, and relative humidity...
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Article
Open AccessHMGA2 promotes vasculogenic mimicry and tumor aggressiveness by upregulating Twist1 in gastric carcinoma
High mobility group protein A2 (HMGA2) is a transcription factor that plays an important role in the invasion and metastasis of gastric carcinoma (GC). The term vasculogenic mimicry (VM) refers to the unique a...
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Article
Short communication: antiviral activity of porcine IFN-λ3 against porcine epidemic diarrhea virus in vitro
A new family of IFNs called type III IFN or IFN-λ has been described, and shown to induce antiviral activity against several viruses in the cell culture. In this study, the molecular cloning, expression, and a...
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Article
Key features of new particle formation events at background sites in China and their influence on cloud condensation nuclei
Long-term continuous measurements of particle number size distributions with mobility diameter sizes ranging from 3 to 800 nm were performed to study new particle formation (NPF) events at Shangdianzi (SDZ), M...
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Article
Analyses of aerosol optical properties and direct radiative forcing over urban and industrial regions in Northeast China
The aerosol optical depth (AOD), Angstrom exponent (Alpha), single scattering albedo (SSA), and volumes of aerosol size distributions were all retrieved from measurements made by a CE318 sunphotometer at four ...
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Article
Aerosol optical properties under the condition of heavy haze over an urban site of Bei**g, China
In January 2013, several serious haze pollution events happened in North China. Cimel sunphotometer measurements at an urban site of Bei**g (Chinese Academy of Meteorological Sciences—CAMS) from 1 to 30 Janua...
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Article
Observation of carbonaceous aerosols during 2006–2009 in Nyainqêntanglha Mountains and the implications for glaciers
Atmospheric carbonaceous aerosols were sampled discontinuously from July 2006 to December 2009 at Nam Co Comprehensive Observation and Research Station (NCOS) in the central Tibetan Plateau (TP). The mean dail...
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Article
Seasonal characterization of components and size distributions for submicron aerosols in Bei**g
Submicron aerosols (PM1) in Bei**g were studied using an Aerodyne aerosol mass spectrometer (AMS) from January to October 2008. This paper presents seasonal variations of different chemical components (sulfate, ...
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Article
Open AccessBiological Behavior of Osteoblast-like Cells on Titania and Zirconia Films Deposited by Cathodic Arc Deposition
Cathodic arc deposition technique was used to deposit zirconia (ZrO2) films and titania (TiO2) films on titanium (Ti) disks respectively. The surface topography was characterized by scanning electron microscopy a...
