Shawn Riechers | Environmental Molecular Sciences Laboratory

Nutrient and contaminant incorporation in amorphous intermediates during carbonate nucleation and growth in biogeochemical systems

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sebastien Kerisit

Project type

Large-Scale EMSL Research

Mineral nucleation and growth are key processes affecting the mobility of critical plant nutrients and contaminants in soils. Mineral precipitation often occurs via amorphous intermediates whose…

Nanoparticles-Based Biosensors for Detection of Environmental Biomarkers

Lead Institution

Washington State University

Principal Investigator

Yuehe Lin

Project type

Large-Scale EMSL Research

Human exposure to toxic chemical agents (i.e. pesticides, nerve agents) and infectious agents, such as pathogens, may have some immune response, which is composed of both cellular and acellular…

Molecular-scale controls on heteroepitaxy at mineral-water interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sebastien Kerisit

Project type

Large-Scale EMSL Research

The objective of the proposed research is to elucidate and quantify the molecular-scale mechanisms of heteroepitaxial nucleation and growth at mineral-water interfaces. Despite several examples of…

Building a Predictive Understanding of Particle-Based Mineral Growth

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James De Yoreo

Project type

Large-Scale EMSL Research

Traditional models of mineral formation through monomer-by-monomer addition have been challenged by recent evidence for crystallization through the addition of "particles," ranging from…

Heteroepitaxial nucleation and growth of complex coatings at mineral/water interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sebastien Kerisit

All realistic mineral surfaces in natural waters can be expected to be coated, and their reactive properties influenced by the presence of coatings. Heteroepitaxial growth is the templated growth of…

Growth of and contaminant incorporation in complex carbonate coatings at mineral/water interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sebastien Kerisit

Project type

Large-Scale EMSL Research

All realistic mineral surfaces in natural waters can be expected to be coated, and their reactive properties influenced by the presence of coatings. It is a common but challenging interfacial process…

radAFM: Coupled radiation source/liquid-cell AFM to study radiation-induced interfacial processes

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Gregory Kimmel

Millions of liters of high-level radioactive wastes (HLW) stored in hundreds of tanks in the U.S. create a variety of environmental problems. To mitigate these problems, the wastes are intended to be…

radAFM: Coupled radiation source/liquid-cell AFM to study radiation-induced interfacial processes

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Gregory Kimmel

Millions of liters of high-level radioactive wastes (HLW) stored in hundreds of tanks in the U.S. create a variety of environmental problems. To mitigate these problems, the wastes are intended to be…

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…

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

Nanoengineered Electrochemical Sensors for Mixed Wastes (PNNL SCOPE # 45409)

Lead Institution

Washington State University

Principal Investigator

Yuehe Lin

Project type

Exploratory Research

The required characterization of the DOE?s transuranic (TRU) and mixed wastes (MW) before disposing and treatment of the wastes is currently costly and has lengthy turnaround. Research toward…

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