Alice Dohnalkova

Influences of Hydrologic Exchange Flows on River Corridor and Watershed Biogeochemical Function

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Stegen

We are developing predictive understanding of the processes that govern influences of hydrologic exchange flows on water quality, nutrient dynamics, and ecosystem health in dynamic river corridor…

Catalytic Studies of Transition Metal Oxide Monolayers Supported on Metal Single Crystal Surfaces

Lead Institution

Southern Illinois University

Principal Investigator

Qingfeng Ge

Project type

Large-Scale EMSL Research

Current commercial heterogeneous catalysts are structurally and chemically complex and measurements on them can seldom be interpreted with atomic-level precision. This is especially true for…

Biomineralization and Biosequestration Mechanisms at Life's Upper Temperatures: A Reappraisal using Novel CryoEM Techniques

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Sherry Cady

Though microbes can indirectly and metabolically transform, sequester, and transport (i) ions, (ii) organic and inorganic complexes, and (iii) precipitates via a wide range of mechanisms,…

TEM and SEM investigation of non-pathogenic bacterial cultures.

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Alice Dohnalkova

Project type

Exploratory Research

Trasmission and scanning electron microscopy is a key element in investigations of the morphology and reduction products that occur during exposure of bacteria to various experimental environments…

Microscale Metabolic, Redox and Abiotic Reactions in Hanford 300 Area Subsurface Sediments

Lead Institution

Washington State University

Principal Investigator

Haluk Beyenal

Project type

Large-Scale EMSL Research

This proposal is the NMR component of a funded DOE/ERSP program project in which we proposed to use the Hanford 300 Area as a site for identifying microscale metabolic, abiotic and redox reactions in…

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…

INTERACTIONS OF RARE EARTH ELEMENTS AND MICROORGANISMS

Lead Institution

Idaho National Laboratory

Principal Investigator

Yoshiko Fujita

Project type

Limited Scope

The overall goal of our research is to elucidate the mechanisms by which rare earth elements (REE) exert effects on environmental microorganisms. Global growth in new electronics and renewable…

Novel Micro-manipulation methods for radioactive particel isolation and characterization with energy-filtered electron microscopy

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Edgar Buck

Project type

Exploratory Research

Successfully designing the next generation of nuclear power plants will require developing improved methods for characterizing and examining radioactive materials. This will include sub-micron phase…

Regulatory dynamics of microbial communities

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

H Wiley

Project type

Large-Scale EMSL Research

This is a proposal to conduct work in EMSL in support of the Foundational Scientific Focus Area (FSFA) research program at Pacific Northwest National Laboratory. This large-scale research program…

Quantifying the functional and structural states of dynamic microbial communities

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Fredrickson

Project type

Large-Scale EMSL Research

The overall goal of this proposal is to provide a quantitative framework in which to compare species-resolved patterns of gene expression, allowing comparison of the effects of perturbations of…

Elucidating synergistic plant-bacteria metabolic pathways for alleviating iron deficiency

Lead Institution

Oregon State University

Principal Investigator

Rene Boiteau

Nutrient mobilization from soil minerals is critical for plant growth, particularly in marginal lands with high pH soils or low phosphate availability. One way that rhizospheric bacteria enhance…

EMSL Science Overview

Alice Dohnalkova

Projects

Influences of Hydrologic Exchange Flows on River Corridor and Watershed Biogeochemical Function

Catalytic Studies of Transition Metal Oxide Monolayers Supported on Metal Single Crystal Surfaces

Biomineralization and Biosequestration Mechanisms at Life's Upper Temperatures: A Reappraisal using Novel CryoEM Techniques

TEM and SEM investigation of non-pathogenic bacterial cultures.

Microscale Metabolic, Redox and Abiotic Reactions in Hanford 300 Area Subsurface Sediments

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

INTERACTIONS OF RARE EARTH ELEMENTS AND MICROORGANISMS

Novel Micro-manipulation methods for radioactive particel isolation and characterization with energy-filtered electron microscopy

Regulatory dynamics of microbial communities

Quantifying the functional and structural states of dynamic microbial communities

Elucidating synergistic plant-bacteria metabolic pathways for alleviating iron deficiency