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Role of the secretome in manganese and carbon oxidation by filamentous ascomycete fungi
(2015-09-19)
Fungi are the primary decomposers of recalcitrant plant and animal material in terrestrial environments, thereby serving as important drivers of global carbon cycling and climate dynamics and as mediators in renewable ...
The Physicochemical Properties of Secondary Organic Materials
(2015-05-20)
The physicochemical properties of the secondary organic materials (SOMs) that constitute the particle phase have potentially important consequences for the growth, the reactivity, and ultimate fate of atmospheric organic ...
Atmospheric Observations and Models of Greenhouse Gas Emissions in Urban Environments
(2015-05-18)
Greenhouse gas emission magnitudes, trends, and source contributions are highly uncertain, particularly at sub-national scales. As the world becomes increasingly urbanized, one potential strategy for reducing these ...
Uptake of Organic Molecules by Atmospheric Particles
(2018-05-11)
The uptake of molecules onto atmospheric particles can be influenced by particle viscosity and physical state because of effects on species diffusivity. Relative humidity is a key regulator. Herein, the uptake of gas-phase ...
Development, Aircraft Integration, and Field Deployment of a CO2 Herriott Cell to Measure Arctic Carbon Fluxes
(2017-01-13)
The warming of the Arctic, as mediated by climate change, will precipitate a feedback effect. Should the carbon in soil be processed and emitted as the greenhouse gases CO2 and CH4, the feedback effect will be positive; ...
Human Impacts on Atmospheric Particulate Matter in Amazonia
(2018-09-16)
Human activities can change the concentration, chemical composition, and properties of atmospheric particulate matter (PM). A quantitative understanding of human impacts on PM is essential for accurate modeling of anthropogenic ...
Observing atmospheric formaldehyde from space: validation and implications
(2017-01-06)
Formaldehyde (HCHO) column data from satellites are widely used as a proxy for emissions of volatile organic compounds (VOCs), but validation of the data has been extremely limited. Here I use highly accurate HCHO aircraft ...
Optical, Physical, and Thermodynamic Properties of Organic Particulate Matter
(2017-05-02)
Organic compounds constitute 20 to 90% of the submicron atmospheric particulate matter (PM) mass. The majority of this mass is produced by the oxidation and subsequent condensation of biogenic and anthropogenic gaseous ...