New particle formation in the atmosphere: From molecular clusters to global climate
New particle formation (NPF) represents the first step in the complex processes leading to
formation of cloud condensation nuclei. Newly formed nanoparticles affect human health, air …
formation of cloud condensation nuclei. Newly formed nanoparticles affect human health, air …
The molecular identification of organic compounds in the atmosphere: state of the art and challenges
The Earth's atmosphere offers a striking contrast with other known planets by its rich organic
composition, which results almost exclusively from the presence of life on the planet. About …
composition, which results almost exclusively from the presence of life on the planet. About …
Fine-particle water and pH in the southeastern United States
Particle water and pH are predicted using meteorological observations (relative humidity
(RH), temperature (T)), gas/particle composition, and thermodynamic modeling (ISORROPIA …
(RH), temperature (T)), gas/particle composition, and thermodynamic modeling (ISORROPIA …
High aerosol acidity despite declining atmospheric sulfate concentrations over the past 15 years
Particle acidity affects aerosol concentrations, chemical composition and toxicity. Sulfate is
often the main acid component of aerosols, and largely determines the acidity of fine …
often the main acid component of aerosols, and largely determines the acidity of fine …
Atmospheric ammonia and its impacts on regional air quality over the megacity of Shanghai, China
S Wang, J Nan, C Shi, Q Fu, S Gao, D Wang, H Cui… - Scientific reports, 2015 - nature.com
Atmospheric ammonia (NH3) has great environmental implications due to its important role
in ecosystem and global nitrogen cycle, as well as contribution to secondary particle …
in ecosystem and global nitrogen cycle, as well as contribution to secondary particle …
High levels of ammonia do not raise fine particle pH sufficiently to yield nitrogen oxide-dominated sulfate production
High levels of ammonia (NH3) have been suggested to elevate ambient particle pH levels to
near neutral acidity (pH= 7), a condition that promotes rapid SO2 oxidation by NO2 to form …
near neutral acidity (pH= 7), a condition that promotes rapid SO2 oxidation by NO2 to form …
Constraining the sensitivity of iodide adduct chemical ionization mass spectrometry to multifunctional organic molecules using the collision limit and thermodynamic …
The sensitivity of a chemical ionization mass spectrometer (ions formed per number density
of analytes) is fundamentally limited by the collision frequency between reagent ions and …
of analytes) is fundamentally limited by the collision frequency between reagent ions and …
[HTML][HTML] Characterization of aerosol composition, aerosol acidity, and organic acid partitioning at an agriculturally intensive rural southeastern US site
The implementation of stringent emission regulations has resulted in the decline of
anthropogenic pollutants including sulfur dioxide (SO 2), nitrogen oxides (NO x), and carbon …
anthropogenic pollutants including sulfur dioxide (SO 2), nitrogen oxides (NO x), and carbon …
[HTML][HTML] New particle formation in the sulfuric acid–dimethylamine–water system: reevaluation of CLOUD chamber measurements and comparison to an aerosol …
A recent CLOUD (Cosmics Leaving OUtdoor Droplets) chamber study showed that sulfuric
acid and dimethylamine produce new aerosols very efficiently and yield particle formation …
acid and dimethylamine produce new aerosols very efficiently and yield particle formation …
Indoor acids and bases
WW Nazaroff, CJ Weschler - Indoor Air, 2020 - Wiley Online Library
Numerous acids and bases influence indoor air quality. The most abundant of these species
are CO2 (acidic) and NH3 (basic), both emitted by building occupants. Other prominent …
are CO2 (acidic) and NH3 (basic), both emitted by building occupants. Other prominent …