Alzheimer disease starts in childhood in polluted Metropolitan Mexico City. A major health crisis in progress

L Calderón-Garcidueñas, R Torres-Jardón… - Environmental …, 2020 - Elsevier
Exposures to fine particulate matter (PM 2.5) and ozone (O 3) above USEPA standards are
associated with Alzheimer's disease (AD) risk. Metropolitan Mexico City (MMC) youth have …

Deconvolution and quantification of hydrocarbon-like and oxygenated organic aerosols based on aerosol mass spectrometry

Q Zhang, MR Alfarra, DR Worsnop… - … science & technology, 2005 - ACS Publications
A new technique has been developed to deconvolve and quantify the mass concentrations
of hydrocarbon-like and oxygenated organic aerosols (HOA and OOA) using highly time …

Characterization of ambient aerosols in Mexico City during the MCMA-2003 campaign with Aerosol Mass Spectrometry: results from the CENICA Supersite

D Salcedo, TB Onasch, K Dzepina… - Atmospheric …, 2006 - acp.copernicus.org
An Aerodyne Aerosol Mass Spectrometer (AMS) was deployed at the CENICA Supersite,
during the Mexico City Metropolitan Area field study (MCMA-2003) from 31 March-4 May …

Impacts of black carbon aerosol on photolysis and ozone

G Li, R Zhang, J Fan, X Tie - Journal of Geophysical Research …, 2005 - Wiley Online Library
The regional distributions of black carbon aerosol (soot) are calculated and the impacts of
black carbon aerosol on photolysis frequencies and ozone concentrations are evaluated in …

Temporal variations of elemental carbon in Tokyo

Y Kondo, Y Komazaki, Y Miyazaki… - Journal of …, 2006 - Wiley Online Library
Mass concentrations of elemental carbon (EC) in fine mode and mixing ratios of carbon
monoxide (CO) were measured at the University of Tokyo campus in Tokyo in different …

Aerosol optical properties in a rural environment near the mega-city Guangzhou, China: implications for regional air pollution, radiative forcing and remote sensing

RM Garland, H Yang, O Schmid, D Rose… - Atmospheric …, 2008 - acp.copernicus.org
The scattering and absorption of solar radiation by atmospheric aerosols is a key element of
the Earth's radiative energy balance and climate. The optical properties of aerosol particles …

Absorption coefficients by aerosols in remote areas: a new approach to decouple dust and black carbon absorption coefficients using seven-wavelength Aethalometer …

P Fialho, ADA Hansen, RE Honrath - Journal of Aerosol Science, 2005 - Elsevier
We present a new approach to decouple aerosol absorption coefficients due to iron oxide in
Sahara dust from those due to black carbon (BC) particles. Absorption coefficients, σaerosol …

Black carbon over Mexico: the effect of atmospheric transport on mixing state, mass absorption cross-section, and BC/CO ratios

R Subramanian, GL Kok… - Atmospheric …, 2010 - acp.copernicus.org
A single particle soot photometer (SP2) was operated on the NCAR C-130 during the
MIRAGE campaign (part of MILAGRO), sampling black carbon (BC) over Mexico. The …

Single particle characterization of black carbon aerosols at a tropospheric alpine site in Switzerland

D Liu, M Flynn, M Gysel, A Targino… - Atmospheric …, 2010 - acp.copernicus.org
The refractory black carbon (rBC) mass, size distribution (190–720 nm) and mixing state in
sub-micron aerosols were characterized from late February to March 2007 using a single …

Seasonal and diurnal variations of black carbon and organic carbon aerosols in Bangkok

LK Sahu, Y Kondo, Y Miyazaki… - Journal of …, 2011 - Wiley Online Library
Measurements of black carbon (BC) and organic carbon (OC) were conducted in Bangkok
during 2007–2008. Annual trends of BC and OC show strong seasonality with lower and …