Swarup China

Development of an automated volatile organic compounds sampling system

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Swarup China

Volatile organic compounds (VOCs, released from plants, soil and leaf litter) are important precursors of ozone and secondary organic aerosols. Gaps in observations of vertically-resolved, chemically…

Deep learning approaches to probe bioaerosols in the atmosphere

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Swarup China

Bioaerosols play a key role in cold cloud formation and impacts ice phase precipitation in the atmosphere and ecosystem via deposition of essential micronutrients. EMSL’s micro-spectroscopy…

Algae from Ocean to Atmosphere: Exploring Coastal Ecosystems and Their Impact on Health, Climate, And Precipitation

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Michaela Rogers

Marine species undergo biogeochemical cycles which yield highly dynamic composition at the ocean interface and air environment. With uncertainty in ocean and atmosphere composition, experimental…

Studies to Improve the Representation of Ice Nucleation in Models of the Arctic Climate

Lead Institution

University of British Columbia

Principal Investigator

Allan Bertram

Project type

Large-Scale EMSL Research

The Arctic region has been shown to be especially sensitive to climate change. Ice and mixed-phase clouds play an important role in climate in this region. Nevertheless, regional and global climate…

Environmental Photochemical Catalysis and Microphysical Properties of Fe-Organic Aerosols

Lead Institution

Purdue University

Principal Investigator

Alexander Laskin

Project type

Large-Scale EMSL Research

The intent of this collaborative research is to investigate photo-catalytic effects of atmospheric aging on the chemical composition and the microphysical properties of secondary organic aerosol (SOA…

Physicochemical Analysis and Ice Nucleation Potential of Particles from a Tropical Terrestrial Biosphere Impacted by Anthropogenic Emissions

Lead Institution

State University of New York at Stony Brook

Principal Investigator

Daniel Knopf

Project type

Large-Scale EMSL Research

The Amazonian region has been documented to be a source of a wide range of aerosol particle types including biogenic secondary organic aerosol (SOA) and salts, primary biological aerosol particles,…

Probing Phase States of Individual Sub-micron Particles at Various Relative Humidity and Temperature

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Swarup China

The viscosity of organic aerosols is a pivotal property to predict their health and environmental impact. Viscosity influences particle growth rate, diffusivity, chemical reactivity, and impacts the…

Effect of Relative Humidity and Cloud Processing on Biogenic and Anthropogenically-Influenced Organic Aerosols - A Combined Laboratory and Modeling Approach

Lead Institution

University of California, Irvine

Principal Investigator

Sergey Nizkorodov

Project type

Large-Scale EMSL Research

Recent advances in understanding aerosol chemistry strongly suggest that atmospheric water vapor and liquid water have strong influence of the composition and properties of biogenic and anthropogenic…

Molecular level characterization of wildfire aerosol induced changes to plant health and value

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

William Kew

The potential impacts of wildfire smoke on plant health and value are of increasing concern, due both to increasing awareness, and more frequent wildfire events. Wildfires produce substantial amounts…

GOAmazon: Atmospheric Aerosol Phase, Composition, and Water Vapor Uptake

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Mary Gilles

Project type

Large-Scale EMSL Research

Atmopsheric particle phase, viscosity, and mixing state are inherently intertwined with one another. How particles change and evolve, particularly as a function of relative humidity is crucial for…

Characterizing the contribution of bioaerosols diversity from complex aerosol particle samples.

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Swarup China

Current global change scenarios expect to significantly increase the contribution of pollen to the total organic aerosol budget. In addition, pollen can burst into smaller fragments that are highly…

Analysis of Mixing States and Morphology of Individual Particles for Improved Representation in Atmospheric Models

Lead Institution

Sonoma Technology

Principal Investigator

Ryan Moffet

Project type

Large-Scale EMSL Research

Atmospheric aerosols affect the climate directly by absorbing and scattering radiation and indirectly by impacting the properties and lifetimes of clouds. Aerosol processes, such as wet removal,…

Integrating mineral-associated organic matter (MAOM) colloid characteristics into dissolved organic matter (DOM) representation in Earth system models

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ravi Kukkadapu

We propose developing a workflow to generate colloids from operationally defined DOM solutions using aerosol-based techniques, then develop a spectroscopic/microscopic capability pipeline to…

Atmospheric Soil Organic Particles

Lead Institution

Purdue University

Principal Investigator

Alexander Laskin

Recent discovery of atmospheric soil organic particles (ASOP), emitted through previously unrecognized atmosphere-land-surface interactions, suggests that ASOP may have a widespread impact over a…

1000 Soils Research Campaign

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Nancy Hess

Project type

MONet

To more fully understand the cycling of carbon, carbon-based nutrients and key elements from the molecular to basin scale across variations in soil chemistry, the Environmental Molecular Sciences…

Ice Nucleation Propensity of Biological Particles

Lead Institution

Xiamen University

Principal Investigator

Bingbing Wang

Project type

Large-Scale EMSL Research

The proposed study will investigate the ice nucleation propensity of atmospheric biological particles using a novel experimental platform developed in EMSL by our group. We will determine…

Harnessing Biomineralization Potential of Metal-Oxidizing Bacteria for REE Synthesis

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Alex Beliaev

Although redox reactions and enzymes participating in the extracellular oxidation of Fe and Mn are identified, little is known about the biomineralization mechanisms that facilitate formation…

Using metabalomics to understand the fate of pollen in the atmosphere

Lead Institution

University of Michigan

Principal Investigator

Allison Steiner

Project type

Large-Scale EMSL Research

The release of pollen from vegetation represents a major seasonal, pulsed source of organic matter to the atmosphere of great biological and societal importance. While pollen grains themselves are…

COVID-19: Characterization of Respiratory Droplets

Lead Institution

Virginia Polytechnic Institute

Principal Investigator

Linsey Marr

Project type

Limited Scope

The COVID-19 pandemic has emphasized the importance of understanding how well viruses survive in the air. SARS-CoV-2 and other airborne pathogens are carried in respiratory droplets consisting of a…

Chemical Imaging and Molecular Characterization of Primary Biological Particles.

Lead Institution

University of California, Irvine

Principal Investigator

Alex Guenther

Project type

Large-Scale EMSL Research

The objective of the proposed project is to conduct in-depth studies of Primary Biological Aerosol Particles (PBAP) for predictive understanding of their environmental impact. The ultimate goal is to…

Development of a controlled combustion system for atmospheric and ecological studies

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Zezhen Cheng

Combustion carbonaceous aerosols (CCA) have important but poorly constrained climatic and ecosystem effects due to real-life combustion's chaotic nature, which leads to the generation of…

Atmospheric Soil Organic Particles

Lead Institution

Purdue University

Principal Investigator

Alexander Laskin

Recent discovery of atmospheric soil organic particles (ASOP), emitted through previously unrecognized atmosphere-land-surface interactions, suggests that ASOP may have a widespread impact over a…

Biodiversity and ice-nucleating activity of soil and marine airborne microorganisms and relationship to source material

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Susannah Burrows

Project type

FICUS Research

Understanding the nature, sources, and geographic and seasonal distribution of atmospheric ice nucleating particles (INPs), i.e., particles that promote freezing of cloud droplets, is critical to…

Probing Phase States of Individual Sub-micron Particles at Various Relative Humidity and Temperature

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Libor Kovarik

The viscosity of organic aerosols is a pivotal property to predict their health and environmental impact. Viscosity influences particle growth rate, diffusivity, chemical reactivity, and impacts the…

Probing Phase States of Individual Sub-micron Particles at Various Relative Humidity and Temperature

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Libor Kovarik

The viscosity of organic aerosols is a pivotal property to predict their health and environmental impact. Viscosity influences particle growth rate, diffusivity, chemical reactivity, and impacts the…

Investigating Aerosol Aging Processes in the Eastern North Atlantic

Lead Institution

Leibniz Institute for Tropospheric Research

Principal Investigator

Birgit Wehner

Project type

Large-Scale EMSL Research

Aerosols, cloud, and radiation interactions regulate several key aspects of the Earth's hydrogeological cycle, weather, and climate system. The number concentration of cloud condensation nuclei …

Fundamental Studies of Ice Nucleation Using Environmental Scanning Electron Microscope (ESEM)

Lead Institution

Purdue University

Principal Investigator

Alexander Laskin

Project type

Large-Scale EMSL Research

The proposed research is to demonstrate applicability of a novel experimental platform for systematic studies of ice nucleation efficiency of atmospheric particles with determination of…

Development of a nano-desorption atmospheric pressure photoionization (nano-DAPPI) advanced mass spectrometry platform

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Swarup China

Natural organic matter from atmospheric aerosol and soil consist of complex molecules with range of polar and non-polar compounds. Previously EMSL developed a unique platform, nano-desorption…

Secondary Organic Aerosol Formation Mechanisms and Growth Dynamics

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Rahul Zaveri

Project type

Large-Scale EMSL Research

Recent theoretical and laboratory studies have revealed that the timescales of secondary organic aerosol (SOA) partitioning and the associated aerosol size distribution growth dynamics depend on the…

Development of size and time-resolved automated aerosol sampler for unmanned aerial systems

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Swarup China

Project type

Scientific Partner

The radiative forcing of the ambient aerosol is strongly influenced by the vertical distribution of aerosols and their chemical composition, and not well constrained in climate models. Both satellite…

Projects