Separation and characterization of biologically significant chemical classes in airborne particulate organic matter
Thesis/Dissertation
·
OSTI ID:5026716
Studies were conducted to characterize airborne particulate extractable organic matter (EOM) with respect to chemical composition and biological activity. Specifically, an integrated chemical class/biological screening system to characterize the most active chemical species in EOM was developed. In addition, the bacterial mutagenicity of the ambient aerosol from cities which differ in the nature of their combustion sources was determined. Particulate matter was collected with high volume samplers at the following sites: New York City, Mexico City, Beijing, China, Philadelphia, Caldecott (CA) Tunnel, Elizabeth, Newark, and Camden, New Jersey. Extract composites were tested for mutagenic activity in the Ames Salmonella plate incorporation assay (+/-S9). Results indicated that interurban variations in concentrations of EOM do not necessarily reflect the relative biological activities of the urban aerosols, as measured by the Ames assay. In addition to mutagenic activity, interurban variations were also seen in concentrations of polycyclic aromatic hydrocarbons and alkylating agents.
- Research Organization:
- New York Univ., NY (USA)
- OSTI ID:
- 5026716
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560302 -- Chemicals Metabolism & Toxicology-- Microorganisms-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AEROSOL MONITORING
AIR POLLUTION
AIR POLLUTION MONITORING
ALKYLATING AGENTS
AROMATICS
ASIA
BACTERIA
CHEMICAL COMPOSITION
CHINA
DEVELOPING COUNTRIES
FEDERAL REGION II
FEDERAL REGION III
HYDROCARBONS
LATIN AMERICA
MEXICO
MICROORGANISMS
MONITORING
MUTAGEN SCREENING
NEW JERSEY
NEW YORK
NEW YORK CITY
NORTH AMERICA
ORGANIC COMPOUNDS
ORGANIC MATTER
PARTICLES
PARTICULATES
PENNSYLVANIA
POLLUTION
POLYCYCLIC AROMATIC HYDROCARBONS
SALMONELLA
SCREENING
URBAN AREAS
USA
VARIATIONS
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560302 -- Chemicals Metabolism & Toxicology-- Microorganisms-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AEROSOL MONITORING
AIR POLLUTION
AIR POLLUTION MONITORING
ALKYLATING AGENTS
AROMATICS
ASIA
BACTERIA
CHEMICAL COMPOSITION
CHINA
DEVELOPING COUNTRIES
FEDERAL REGION II
FEDERAL REGION III
HYDROCARBONS
LATIN AMERICA
MEXICO
MICROORGANISMS
MONITORING
MUTAGEN SCREENING
NEW JERSEY
NEW YORK
NEW YORK CITY
NORTH AMERICA
ORGANIC COMPOUNDS
ORGANIC MATTER
PARTICLES
PARTICULATES
PENNSYLVANIA
POLLUTION
POLYCYCLIC AROMATIC HYDROCARBONS
SALMONELLA
SCREENING
URBAN AREAS
USA
VARIATIONS