Zobrazeno 1 - 10
of 49
pro vyhledávání: '"James F. Davies"'
Autor:
Craig S. Sheldon, Jack M. Choczynski, Katie Morton, Teresa Palacios Diaz, Ryan D. Davis, James F. Davies
Publikováno v:
Environmental Science: Atmospheres. 3:24-34
Internally-mixed aerosol particles containing organic molecules and inorganic salts exhibit hygroscopic growth, viscosity and diffusion properties that have a non-linear dependence on composition.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b93c92997cd0502f479dd34af4709e6f
https://doi.org/10.1039/d2ea00116k
https://doi.org/10.1039/d2ea00116k
Publikováno v:
Environmental Science & Technology. 56:15398-15407
Inorganic species always coexist with organic materials in atmospheric particles and may influence the heterogeneous oxidation of organic aerosols. However, very limited studies have explored the role of the inorganics in the chemical evolution of or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::713ca7f7ce60687c4abe1fa8e84dd8d9
https://doi.org/10.1021/acs.est.2c04670
https://doi.org/10.1021/acs.est.2c04670
Publikováno v:
Analytical Chemistry. 94:3441-3445
Several studies have reported ionization methods to classify the chemical composition of levitated particles held in an electrodynamic balance using mass spectrometry (MS). These methods include electrospray-based paper spray (PS) ionization, plasma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efeec4fb286448348f7ba909c3b80d65
https://doi.org/10.1021/acs.analchem.1c05550
https://doi.org/10.1021/acs.analchem.1c05550
Publikováno v:
The journal of physical chemistry. A. 126(39)
The partitioning of semivolatile organic molecules between condensed phases and the vapor phase has broad application across a range of scientific disciplines, with significant impacts in atmospheric chemistry for regulating the evolving composition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e98554c4c03875e8be1b4b1a0f52081c
https://pubmed.ncbi.nlm.nih.gov/36150212
https://pubmed.ncbi.nlm.nih.gov/36150212
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 5001-5013 (2021)
Accurate characterization of the water activity and hygroscopicity of aqueous aerosol material allows us to predict the chemical and physical state of aerosol particles exposed to humid conditions in the environment. The hygroscopicity of aerosol det
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3b322c31944647b9ed95972be728658
https://doi.org/10.5194/amt-14-5001-2021
https://doi.org/10.5194/amt-14-5001-2021
Publikováno v:
Environmental Science: Atmospheres. 1:45-55
Condensed phase mass transport in single aerosol particles is investigated using a linear quadrupole electrodynamic balance (LQ-EDB) and the Maxwell–Stefan (MS) framework. In the LQ-EDB experiments, water loss from model aqueous inorganic–organic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cab00821672a086fe3e4c9aa63be3ce4
https://doi.org/10.1039/d0ea00008f
https://doi.org/10.1039/d0ea00008f
Publikováno v:
Environmental sciencetechnology. 56(7)
Brown carbon aerosol in the atmosphere contain light-absorbing chromophores that influence the optical scattering properties of the particles. These chromophores may be hydrophobic, such as PAHs, or water soluble, such as nitroaromatics, imidazoles,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8701d70cdf34dda6adf5df84755f1e4d
https://pubmed.ncbi.nlm.nih.gov/35312301
https://pubmed.ncbi.nlm.nih.gov/35312301
Publikováno v:
The Journal of Physical Chemistry A. 124:1811-1820
Single-particle trapping is an effective strategy to explore the physical and optical properties of aerosol with high precision. Laser-based methods are commonly used to probe the size, optical properties, and composition of nonlight-absorbing drople
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::488e3fd191afee70b28282b9bf5dea6b
https://doi.org/10.1021/acs.jpca.9b10748
https://doi.org/10.1021/acs.jpca.9b10748
Autor:
James F. Davies, Ravleen Kaur Kohli
Publikováno v:
The Analyst. 145:2639-2648
Recent experimental efforts have shown that single particle levitation methods may be effectively coupled with mass spectrometry (MS) using paper spray (PS) ionization for compositional analysis of picoliter droplets. In this work, we characterize th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbec0e1b70bd8a9a5c8e581711a1db89
https://doi.org/10.1039/c9an02534k
https://doi.org/10.1039/c9an02534k
Autor:
Erik Huynh, Anna Olinger, David Woolley, Ravleen Kaur Kohli, Jack M. Choczynski, James F. Davies, Kaisen Lin, Linsey C. Marr, Ryan D. Davis
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America
Significance Ambient humidity can influence the survival of pathogens in respiratory aerosols and droplets, although the mechanism and optimum humidity level for public health remain unclear. Here, we present evidence for a humidity-dependent, semiso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ff92903f376e3c5439405c5f0e851f7
https://doi.org/10.1073/pnas.2109750119
https://doi.org/10.1073/pnas.2109750119