Thomas Wietsma

Protein Interactions and Interfaces

Lead Institution

Rutgers University

Principal Investigator

Gaetano Montelione

Project type

Large-Scale EMSL Research

All proteins interact with other molecules: ligands, metals, membranes, surfaces or other proteins. Such interactions are intrinsic to protein function. We propose to leverage our successful program…

Reaction Specificity of Nanoparticles in Solution (PNNL Scope # 42184/44076, Baer/Amonette Nano-Fe BES/EMSP project)

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Donald Baer

Project type

Exploratory Research

This User Proposal is being submitted as part of an approved NSET proposal under PIs Don Baer and Paul Tratnyek to perform fundamental basic science studies that will benefit a whole range of…

Pore-Scale Research Campaign: Development of Solute Transport Data Sets for Benchmarking Pore-Scale Numerical Simulators

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Mart Oostrom

Project type

Research Campaign

Developing pore-scale transport predictive models in subsurface research is relevant to, among others, contaminant and colloidal transport, non-aqueous phase liquid dissolution, and deep…

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…

Determination of hydraulic conductivity and soil moisture retention relations with the EMSL Hydraulic Properties Apparatus

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Michael Fayer

Project type

Exploratory Research

Knowledge of hydraulic properties, such as hydraulic conductivity and soil moisture retention, is crucial for understanding flow and contaminant transport in the subsurface. Hydraulic properties are…

Experimental and Theoretical Studies of Reaction Pathways for the Breakdown of Chlorinated Hydrocarbon Molecules by Metal and Metal Oxide Nanoparticles(including PNNL Scope # 42184/44076, Baer/Amonette/Tratnyek Nano-Fe BES/EMSP project)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Amonette

Project type

Large-Scale EMSL Research

Metal and metal-oxide nanoparticles have been shown to have high reactivity towards a variety of chemical species, including chlorinated hydrocarbons and reducible oxyanions that frequently…

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

Chrome Volatility

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Gary Maupin

Project type

Exploratory Research

Determine the volalitility of Cr in Fuel Cell Systems

Column and flow cell experiments to study influence of wetting and mass transfer properties of organic chemical mixtures in vadose zone materials.

Lead Institution

University of Illinois at Urbana-Champaign

Principal Investigator

Albert Valocchi

Project type

Exploratory Research

The project “Influence of wetting and mass transfer properties of organic chemical mixtures in vadose zone materials on groundwater contamination by nonaqeous pahse liquids” has recently been funded…

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

Project type

Exploratory Research

The PNNL Scientific Focus Area (SFA) will resolve critical Hanford and basic subsurface science issues through integrated, multi-disciplinary, science-theme focused research on the role of…

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

EMSL Science Overview

Thomas Wietsma

Projects

Protein Interactions and Interfaces

Reaction Specificity of Nanoparticles in Solution (PNNL Scope # 42184/44076, Baer/Amonette Nano-Fe BES/EMSP project)

Pore-Scale Research Campaign: Development of Solute Transport Data Sets for Benchmarking Pore-Scale Numerical Simulators

1000 Soils Research Campaign

Determination of hydraulic conductivity and soil moisture retention relations with the EMSL Hydraulic Properties Apparatus

Experimental and Theoretical Studies of Reaction Pathways for the Breakdown of Chlorinated Hydrocarbon Molecules by Metal and Metal Oxide Nanoparticles(including PNNL Scope # 42184/44076, Baer/Amonette/Tratnyek Nano-Fe BES/EMSP project)

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Chrome Volatility

Column and flow cell experiments to study influence of wetting and mass transfer properties of organic chemical mixtures in vadose zone materials.

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport