Sergey Nizkorodov | Environmental Molecular Sciences Laboratory

Optical and Hygroscopic Properties of Atmospheric Aerosols (A Laskin's ASP, PNNL Scope #47767)

Lead Institution

Purdue University

Principal Investigator

Alexander Laskin

Project type

Exploratory Research

Conduct laboratory studies of chemical composition, optical and hygroscopic properties of field collected atmospheric aerosols.

Photochemical Processing of Organic Aerosol Particles Studied with High-Resolution Mass Spectrometry

Lead Institution

University of California, Irvine

Principal Investigator

Sergey Nizkorodov

Project type

Large-Scale EMSL Research

This research will focus on direct photochemical processing of organic aerosol particles by solar radiation. It will address the following important questions: (1) How do direct photochemical…

Probing the Reactivity of Organic Particles Using Ion Soft-Landing

Lead Institution

University of California, Irvine

Principal Investigator

Sergey Nizkorodov

Project type

Large-Scale EMSL Research

Formation and atmospheric processing of particulate matter is one of the focus areas emphasized by EMSL. Organic coatings on atmospheric aerosols determine the surface chemistry that particles…

Development of Novel Approaches for Analysis of Secondary Organic Aerosols
Using High-Resolution Mass Spectrometry.

Lead Institution

Purdue University

Principal Investigator

Alexander Laskin

The objective of the proposed research is to develop new approaches for advanced detailed characterization of the chemical composition of organic aerosols (OA) that will enable a fundamental…

Molecular Characterization of Organic Aerosols from the Los Angeles
Ground Site (CalNex 2010) Using High-Resolution Mass Spectrometry

Lead Institution

University of California, Irvine

Principal Investigator

Sergey Nizkorodov

Project type

Limited Scope

The objective of the proposed project is to perform detailed, molecular level characterization of the chemical composition of organic aerosol (OA) samples collected during the CalNex 2010 study (May…

Molecular Chemistry of Secondary Organic Aerosol Formed in Photochemical Aging of Primary Anthropogenic Emissions

Lead Institution

University of California, Irvine

Principal Investigator

Sergey Nizkorodov

Project type

Large-Scale EMSL Research

We propose to examine molecular level processes taking place in anthropogenic secondary organic aerosols (SOA) using recently developed tools of high resolution mass spectrometry. The proposed…

Molecular Chemistry of Nitrogen-Containing Light-Absorbing Compounds in Atmospheric Organic Aerosol

Lead Institution

Fudan University

Principal Investigator

Xin Yang

Project type

Large-Scale EMSL Research

Most atmospheric aerosols scatter visible radiation back to space and therefore reduce the amount of solar energy reaching the surface. However, certain types of aerosols absorb visible radiation and…

Molecular Level Analysis of Photochemical Processing of Brown Carbon and Nitrogen Compounds in Atmospheric Aerosols

Lead Institution

University of California, Irvine

Principal Investigator

Sergey Nizkorodov

Project type

Large-Scale EMSL Research

Atmospheric aerosols have a profound effect on climate by scattering and absorbing solar and Earth radiation. They can be predominantly scattering (e.g., sea-salt aerosol), predominantly absorbing (e…

A Systematic Investigation of the Effect of Ammonia on Scattering and Absorption of Solar Radiation by Secondary Organic Aerosols

Lead Institution

University of California, Davis

Principal Investigator

Christopher Cappa

Project type

Large-Scale EMSL Research

Atmospheric aerosols have a profound effect on climate by scattering and absorbing solar and terrestrial radiation. They can be predominantly scattering (e.g., sea-salt aerosol), predominantly…

The Effect of Biogenic-Anthropogenic Interactions on the Physical and Chemical Properties of Atmospheric Organic Aerosols

Lead Institution

University of California, Irvine

Principal Investigator

Sergey Nizkorodov

Project type

Special Science

Understanding the effect of biogenic-anthropogenic interactions on the chemical composition and physical properties of organic aerosols (OA) is important for accurate modeling of the effect of OA on…

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…

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…

Effect of Condensed-Phase Photochemical Reactions on Viscosity and Volatility of Organic Aerosols

Lead Institution

University of California, Irvine

Principal Investigator

Manabu Shiraiwa

Project type

Large-Scale EMSL Research

Recent advances in understanding aerosol chemistry strongly suggest that: (1) photochemical processes occurring inside aerosol particles represent an important mechanism of aging for organic aerosols…

Plant Stress in a Changing Environment: Using Plant Metabolomics to Improve Predictions of Biogenic Secondary Organic Aerosol Production

Lead Institution

University of California, Irvine

Principal Investigator

Celia Faiola

Project type

Large-Scale EMSL Research

This research addresses a critical barrier in our understanding of the processes controlling biogenic secondary organic aerosol formation (SOA), and how they are evolving in a changing environment…

The effect of acyclic terpene emissions on secondary organic aerosol properties

Lead Institution

University of California, Irvine

Principal Investigator

Celia Faiola

Project type

Large-Scale EMSL Research

Acyclic terpenes are commonly emitted by plants, and have frequently been linked to plant stress volatile emissions. These compounds are more reactive than the more commonly studied cyclic terpenes…

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