Particulate Matter

This page has a list of publications and news articles related to Air Pollution - Particulate Matter. Find more information about our research on Air Pollution.

Research Report 127
Bert Brunekreef
Nicole AH Janssen
Jeroen J de Hartog
Marieke Oldenwening
Kees Meliefste
Gerard Hoek
Timo Lanki
Kirsi L Timonen
Marko Vallius
Juha Pekkanen
Rene Van Grieken
January 2005

Dr. Brunekreef and his colleagues assessed the correlation between personal, indoor, and outdoor PM2.5 concentrations for elderly people with cardiovascular disease living in Amsterdam, The Netherlands, and Helsinki, Finland. Measurements were taken between November 1998 and June 1999 using fixed monitoring sites near the subjects' residences and inside their homes using the same type of monitor. Personal exposures were monitored with a different type of sampler that the subjects kept with them at all times.

Research Report 126
Mark W Frampton
Mark J Utell
Wojciech Zareba
Günter Oberdörster
Christopher Cox
Li-Shan Huang
Paul E Morrow
F Eun-Hyung Lee
David Chalupa
Lauren M Frasier
Donna M Speers
Judith Stewart
December 2004

Dr. Frampton and his colleagues evaluated the effects of exposing healthy and mildly asthmatic men and women to laboratory-generated ultrafine carbon particles. They hypothesized that ultrafine particle exposure would activate leukocytes and endothelial cells and lead to an inflammatory response in the airway and in the blood; and that it also might affect respiration and cardiac electrophysiologic function. They further hypothesized that effects would be greater in people with asthma than in healthy people.

Research Report 123
Francesca Dominici
December 2004

This report describes a study funded under the Walter A. Rosenblith New Investigator Award. Dr Francesca Dominici and colleagues at Johns Hopkins University developed more flexible methods and statistical models for the National Morbidity, Mortality, and Air Pollution Study database.

Research Report 122
Alison S Geyh
Susanne Hering
Nathan Kreisberg
Walter John
November 2004

Dr Alison S Geyh and colleagues at Johns Hopkins University evaluated the personal and microenvironmental aerosol speciation sampler (PMASS) prototype developed by Dr. Susanne Hering with HEI funding (HEI Research Report 114). The precision and accuracy of the prototype, which measures PM2.5 mass, elemental and organic carbon, sulfate, and nitrate, was evaluated in two locations with different PM composition. Baltimore, Maryland (outdoors), and Fresno, California (indoors). Geyh and colleagues set a target of 10% precision and 10% accuracy for all species measured.

Research Report 121
Maire SA Heikkinen
Yair Hazi
Hai Gao
Paul Peters
Morton Lippmann
September 2004

Dr. Beverly Cohen and her colleagues at New York University School of Medicine tested the performance of iron nanofilms to collect and measure sulfuric acid particles of different sizes under a variety of temperature and humidity conditions. The iron nanofilm detector is a thin iron-coated silicon chip. Particles would react with the iron, creating an elevated site or bump on the film surface, which can be visualized using an atomic force microscope.

Research Report 120
Jack R Harkema
Gerald Keeler
James Wagner
Masako Morishita
Edward Timm
Jon Hotchkiss
Frank Marsik
Timothy Dvonch
Norbert Kaminski
Edward Barr
August 2004

Dr. Jack Harkema and colleagues at Michigan State University conducted a 2-year study with rats to evaluate the short-term effects of inhaling concentrated ambient particles derived from the air in an area of Detroit, Michigan that has a high incidence of childhood asthma. The investigators used two animal models, BN rats that were sensitized with ovalbumin to induce some features of asthma, and F344 rats pretreated with endotoxin to have some features of mild bronchitis. Animals were exposed for 10 hours/day for 1 day or for 4 or 5 consecutive days.

Research Report 094-III
Michael J Daniels
Francesca Dominici
Scott L Zeger
Jonathan M Samet
May 2004

In Part III of the National Morbidity, Mortality, and Air Pollution Study (NMMAPS), Dr. Daniels and colleagues at Johns Hopkins University and Harvard University evaluated the shape of the relation between PM10 concentrations measured at fixed monitoring sites and daily mortality among residents from all causes (excluding accidental causes), from all cardiovascular and respiratory causes combined, and from causes other than cardiovascular-respiratory disease.

Special Report 15
Health Effects Institute
April 2004

A Special Report by the HEI International Scientific Oversight Committee of HEI Public Health and Air Pollution in Asia (PAPA) Program (a program of the Clean Air Initiative for Asian Cities). This first publication to come from HEI's PAPA Program was undertaken to help inform the Clean Air Initiative for Asian Cities. This special report has identified and summarized more than 135 studies of air pollution and health conducted across Asia. In addition, it critically reviews for the first time a key subset of these studies: 28 studies of daily mortality. The report is a valuable resource for policy makers in Asia and beyond.

Research Report 117
Debra L Laskin
Lisa Morio
Kimberly Hooper
Tsung-Hung Li
Brian Buckley
Barbara J Turpin
December 2003

Dr. Laskin and her colleagues at the Environmental and Occupational Health Sciences Institute at Rutgers University tested the hypothesis that oxidants in ambient air, such as hydrogen peroxide, may be transported by fine particulate matter into the lungs and thus contribute to lung tissue injury. The investigators used ammonium sulfate particles because of their prevalence in the ambient air of the eastern United States and their reportedly low toxicity in animals and humans.

Research Report 118
Henry Gong Jr
Constantinos Sioutas
William S Linn
December 2003

Dr. Henry Gong Jr and his colleagues at the Los Amigos Research and Education Institute used a Harvard ambient particle concentrator to assess the effects of exposure to concentrated ambient particles (CAPs) on healthy and asthmatic people. 12 healthy individuals and 12 individuals with mild asthma were exposed to either filtered air or CAPs with a maximum exposure level of 200 µg/m3 for two hours while exercising intermittently on a stationary bicycle.