Projects

As a scientific user facility, the Environmental Molecular Sciences Laboratory (EMSL) provides expertise, instrumentation, and resources to 250 projects each year.

EMSL projects displayed on the EMSL web site project page reflect project abstracts and information migrated to this page before April 30, 2024. To review current and past EMSL user projects, visit EMSL Science Central.™

Contaminant immobilization through heterogeneous carbonate growth at mineral/water and mineral/microbe interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sebastien Kerisit

Project type

Large-Scale EMSL Research

The presence of mineral surfaces and of microorganisms significantly impacts the nature and composition of mineral phases formed in biogeochemical systems. Despite the importance of these…

Does Geochemical Legacy Select for Soil Microbial Members in Establishing Wetland Functions?

Lead Institution

University of Maryland, College Park

Principal Investigator

Stephanie Yarwood

Project type

Large-Scale EMSL Research

Wetland restoration efforts are critical to enhance carbon sequestration in biomass and reestablish ecosystem vitality and functions. The success of such restoration efforts are frequently assessed…

Controls of bioorganic constituents of soils in the confined regions between mineral surfaces on nucleation and aggregation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James De Yoreo

Project type

Large-Scale EMSL Research

The aims of the proposed research are to: 1) Determine the structure of the near surface water layer in the confined region between approaching mineral surfaces and determine the impact of…

Quantification of gene expression patterns relevant to microbial mercury transformations

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

Alexander Johs

Project type

Large-Scale EMSL Research

Levels of toxic methylmercury (MeHg) in the environment are a net result of mercury (Hg) methylation and MeHg demethylation processes. Mercury methylation by anaerobic bacteria and archaea is the…

The role of Fe(oxyhydr)oxides in regulating the biogeochemical cycling of Zinc; an essential micro-nutrient

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Eugene Ilton

Project type

Large-Scale EMSL Research

We propose to study the influence of Fe(III) (oxyhydr)oxides on the biogeochemical cycling of Zn, an essential micronutrient. The work is specifically focused on incorporation of Zn into the…

Unraveling Redox Transformation Mechanisms of Ferrihydrite and Micronutrient Metal Incorporation at the Molecular Scale

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kevin Rosso

Project type

Large-Scale EMSL Research

Understanding aquatic chemistry, the natural cycling and fractionation of elements, and energy flow in soils almost always involves, by necessity, attention to the governing influence of electron…

Development of ab initio time-dependent GW+BSE method based on surface hopping scheme in nonadiabatic molecular dynamics

Lead Institution

University of Science and Technology of China, Chinese Academy of Sciences

Principal Investigator

Jin Zhao

Project type

Large-Scale EMSL Research

An exciton is a quasiparticle formed by an electron and a hole, which interact through the Coulomb interaction. It generally describes optically excited states in insulators, semiconductors, and…

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 …

Understanding ice nucleating particles from agricultural dusts

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Susannah Burrows

Project type

Large-Scale EMSL Research

The atmospheric concentration of ice-nucleating particles (INPs) impacts the formation and development of cloud ice crystals, affecting cloud radiative properties and precipitation. However,…

Cryo-EM studies of nicotinic acetylcholine receptors

Lead Institution

University of Texas Southwestern Medical Center

Principal Investigator

Ryan Hibbs

Nicotinic acetylcholine receptors mediate fast chemical neurotransmission throughout the central and peripheral nervous systems. Nicotinic receptors in the brain are the first point of action…

Investigating substrate channeling and cooperativity in assembly-line terpenoid synthases.

Lead Institution

University of Pennsylvania

Principal Investigator

David Christianson

Bifunctional assembly-line terpenoid synthases catalyze a specific sequence of chemical reactions starting with simple 5-carbon precursors, and ending with 20- or 25-carbon polycyclic natural…

Characterization of Energy Storage Systems Using In Situ and Ex Situ Nuclear Magnetic Resonance Spectroscopy

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jian-zhi Hu

Fundamental research in beyond Lithium ion battery has been limited and an in-situ NMR method to probe transient electrochemical reactions has yet to be developed. We propose to develop unique in…

Structural mechanisms of the polycystic kidney disease proteins

Lead Institution

University of Utah

Principal Investigator

Erhu Cao

Polycystin-1 and polycystin-2 (also known as PKD1 and PKD2) are fundamental for normal development and functioning of the renal and cardiovascular systems. Mutations in either PKD1 or PKD2 genes…

Movement and Dissolution of a Viscous, Multicomponent Light Nonaqueous-Phase Liquid in a Fluctuating Water Table System

Lead Institution

Netherlands Organization for Applied Scientific Research TNO-NITG

Principal Investigator

Cornelis Hofstee

Project type

Exploratory Research

Typical text book examples of Light Nonaqueous Phase Liquid (LNAPL) sources depict a continuous oil body, submersed in the capillary fringe. In case of past fluctuations of the groundwater table, the…

Analysis of Boron Segregation in Medium Carbon Steel

Lead Institution

Colorado School of Mines

Principal Investigator

John Speer

Project type

Limited Scope

Medium-carbon steels have been widely used for gas and oil pipelines, and their excellent combination of strength and toughness favorably contributes to construction, heavy equipment and automobile…

Cryo-EM structure of the human ATP-citrate lyase (ACLY) bound to inhibitors

Lead Institution

University of Pennsylvania

Principal Investigator

Ronen Marmorstein

The goal of this project is to determine the cryo-EM structure of the human ATP-citrate lyase (ACLY) multimer bound to inhibitors to better understand the mechanism of ACLY activity and to generate a…

The influence of nitrogen and carbon availability on the dominant microbial communities and their metabolites in a coniferous forest soil

Lead Institution

Institute of Microbiology of the CAS

Principal Investigator

Petr Baldrian

Project type

Limited Scope

The proposed metabolomics analysis will supplement already available data which explores the influence of available C and N in forest soil on microbial community composition and organic matter…

Cryo-EM studies of an ABC transporter complex (NosDFYL)

Lead Institution

Van Andel Research Institute

Principal Investigator

Juan Du

The biological nitrogen cycle describe the enzymatic interconversion of the different chemical forms of nitrogen. In nature, microorganisms make use a huge variety of enzymes in order to perform…

Structural basis of regulation of PKD2 by steroids

Lead Institution

University of Utah

Principal Investigator

Erhu Cao

Polycystic kidney disease 1 (PKD1) and PKD2 are fundamental for normal development and functioning of the renal and cardiovascular systems and, when rendered defective by genetic mutations, cause a…

Mechanism of translational regulation and mRNA quality control

Lead Institution

California Institute of Technology

Principal Investigator

Rebecca Voorhees

In all kingdoms of life proteins are synthesized by the large ribonucleoprotein particle known as the ribosome. However it is increasingly clear that the ribosome serves not only as a hub for protein…

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