Chemistry of secondary organic aerosol: Formation and evolution of low-volatility organics in the atmosphere

JH Kroll, JH Seinfeld - Atmospheric Environment, 2008 - Elsevier
Secondary organic aerosol (SOA), particulate matter composed of compounds formed from
the atmospheric transformation of organic species, accounts for a substantial fraction of …

Concentrations, correlations and chemical species of PM2. 5/PM10 based on published data in China: potential implications for the revised particulate standard

X Zhou, Z Cao, Y Ma, L Wang, R Wu, W Wang - Chemosphere, 2016 - Elsevier
Particulate matter (PM) has been of great concern in China due to the increasing haze
pollution in recent years. In 2012, the Chinese national ambient air quality standard …

Induction of protective IgA by intestinal dendritic cells carrying commensal bacteria

AJ Macpherson, T Uhr - Science, 2004 - science.org
The enormous number of commensal bacteria in the lower intestine of vertebrates share
abundant molecular patterns used for innate immune recognition of pathogenic bacteria. We …

Exploring the severe winter haze in Beijing: the impact of synoptic weather, regional transport and heterogeneous reactions

GJ Zheng, FK Duan, H Su, YL Ma… - Atmospheric …, 2015 - acp.copernicus.org
Extreme haze episodes repeatedly shrouded Beijing during the winter of 2012–2013,
causing major environmental and health problems. To better understand these extreme …

Aerosol characterization over the southeastern United States using high-resolution aerosol mass spectrometry: spatial and seasonal variation of aerosol composition …

L Xu, S Suresh, H Guo, RJ Weber… - … Chemistry and Physics, 2015 - acp.copernicus.org
We deployed a High-Resolution Time-of-Flight Aerosol Mass Spectrometer (HR-ToF-AMS)
and an Aerosol Chemical Speciation Monitor (ACSM) to characterize the chemical …

Characterizing remarkable changes of severe haze events and chemical compositions in multi-size airborne particles (PM1, PM2. 5 and PM10) from January 2013 to …

P Shao, H Tian, Y Sun, H Liu, B Wu, S Liu, X Liu… - Atmospheric …, 2018 - Elsevier
Severe hazes occurred during 2016–2017 winter manifested winter haze was still a tough
challenge in Beijing since the unprecedented haze in January 2013. Three haze episodes …

Identification of polymers as major components of atmospheric organic aerosols

M Kalberer, D Paulsen, M Sax, M Steinbacher… - Science, 2004 - science.org
Results from photooxidation of aromatic compounds in a reaction chamber show that a
substantial fraction of the organic aerosol mass is composed of polymers. This …

Spatial and seasonal distributions of carbonaceous aerosols over China

JJ Cao, SC Lee, JC Chow, JG Watson… - Journal of …, 2007 - Wiley Online Library
Simultaneous measurements of atmospheric organic and elemental carbon (OC and EC)
were taken during winter and summer seasons at 2003 in 14 cities in China. Daily PM2. 5 …

Sources, seasonality, and trends of southeast US aerosol: an integrated analysis of surface, aircraft, and satellite observations with the GEOS-Chem chemical …

PS Kim, DJ Jacob, JA Fisher, K Travis… - Atmospheric …, 2015 - acp.copernicus.org
We use an ensemble of surface (EPA CSN, IMPROVE, SEARCH, AERONET), aircraft (SEAC
4 RS), and satellite (MODIS, MISR) observations over the southeast US during the summer …

A study of secondary organic aerosol formation in the anthropogenic‐influenced southeastern United States

RJ Weber, AP Sullivan, RE Peltier… - Journal of …, 2007 - Wiley Online Library
The formation of secondary organic aerosol (SOA) in an anthropogenic‐influenced region in
the southeastern United States is investigated by a comparison with urban plumes in the …