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Karl Mueller

Institution
Pacific Northwest National Laboratory
ORCID
ORCID logo 0000-0001-9609-9516

Projects

Multinuclear NMR Studies of Earth and Energy Systems

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
A team of researchers at PNNL carries out a number of studies that utilize high-resolution nuclear magnetic resonance (NMR) spectroscopy in areas of national need for Basic Energy Sciences (BES). The…

High-Field Aluminum-27 NMR of Simulated Tank Waste Precipitates

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Project type
Capability Research
Our proposal is to use high-field NMR spectroscopy to resolve and quantify aluminum phases in simulated tank waste precipitate samples. It is known that clay minerals weather into zeolite-type phases…

Karl Mueller - HPC offer commitment

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Scope is HPC calculations in support of various research activites.

JCESR - In Situ and Ex Situ Studies of Energy Storage Materials

Lead Institution
University of Liverpool
Principal Investigator
Nigel Browning
Innovation of energy storage technology depends critically on the fundamental understanding of the operating mechanism and dynamic interaction across different components in the storage unit. With…

High-Field MAS NMR of
Strontium-87 in Environmental Samples

Lead Institution
St. Mary's College of Maryland
Principal Investigator
Geoffrey Bowers
Project type
Capability Research
Our proposal is to use ultra-high-field MAS NMR spectroscopy to study strontium nuclei in solid samples. Strontium is a quadrupolar nucleus (I = 9/2) with a very low gyromagnetic ratio, large…

Sensitivity Enhancing NMR of
Strontium-87 Nuclei in Environmental Samples

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Project type
Capability Research
Our proposal is to combine sensitivity-enhancing pulse sequences and ultra-high magnetic fields to study strontium nuclei in clays and zeolites with solid-state NMR. NMR investigations of strontium…

Template Synthesis of Ordered Nanostructured Materials

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Yongsoon Shin
Project type
Exploratory Research
Both porous and anisotropic nanoarchitectures are generated using an array of solution templated growth and post growth modification approaches that invoke chemical control of molecular self-assembly…

Interfacial Investigations of Nuclear Waste Forms

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Joseph Ryan
Project type
Exploratory Research
EMSL resources are requested to enable an international team of collaborators to solve fundamental problems in interfacial glass corrosion chemistry. With the recent dismissal of Yucca Mountain as…

High-resolution 27Al MAS NMR of Weathered Clays and Hanford Sediments

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Project type
Capability Research
In prior research at PNNL, kaolinite and montmorillonite minerals weathered under near-field exposure to simulated Hanford tank waste were examined with 10 kHz 27Al MAS NMR on the 17.61 T…

Interfacial Investigations of Nuclear Waste Forms

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Joseph Ryan
Project type
Exploratory Research
EMSL resources are requested to enable an international team of collaborators to solve fundamental problems in interfacial glass corrosion chemistry. With the recent dismissal of Yucca Mountain as…

Binding Environment of Strontium-87 Nuclei
in DOE Waste Remediation Materials

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Project type
Capability Research
In previous research with model inorganic systems, we found that DFS-QCPMG NMR on the 21.14 T spectrometer at PNNL provided significant sensitivity enhancements, permitting studies of 87Sr nuclei…

Structural Studies of HIV-1 gp41 MPER and HR-2 Membrane Associated Trimers

Lead Institution
Duke University
Principal Investigator
Leonard Spicer
Project type
Large-Scale EMSL Research
HIV-1 viral-host cell fusion is mediated by the envelope associated gp41 and gp120 protein trimers. The membrane proximal external region (MPER) of gp41 contains the epitopes for the broadly…

Predicting solvent mediated preferential ion pairing in ionic solute mixture

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Vijayakumar Murugesan
Project type
Large-Scale EMSL Research
A comprehensive understanding of solvent mediated ion pair formation between ionic solutes at the molecular- and mesoscale level remains elusive. This knowledge gap prevents the straightforward…

Surface Selective Studies of Olivine Dissolution by 1H-29Si and 25Mg MAS NMR

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Project type
Capability Research
Mineral trapping is a proposed mechanism for sequestering atmospheric carbon dioxide, allowing permanent confinement of this greenhouse gas. However, the sequestration process requires readily…

Multinuclear NMR Studies of and Earth and Energy Systems

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
A team of researchers at PNNL carries out studies that utilize high-resolution nuclear magnetic resonance (NMR) spectroscopy in areas of national need for Basic Energy Sciences (BES). The research…

Dynamical Behavior of Hydrocarbons Under Nanopore Confinement

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
It is becoming increasingly clear that organic molecules present as gas species, in aqueous and mixed-volatile fluids - ranging from simple hydrocarbons and carboxylic acids to branched and cyclic…

Multinuclear NMR Studies of and Earth and Energy Systems

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
A team of researchers at PNNL carries out studies that utilize high-resolution nuclear magnetic resonance (NMR) spectroscopy in areas of national need for biological and energy sciences. The…

High-Resolution 27Al and 133Cs NMR of Weathered Hanford Sediments

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Project type
Large-Scale EMSL Research
Hanford vadose zone sediments (Hanford coarse, Hanford fine, and Ringold silt) have been weathered by reaction with a simulated Hanford tank waste leachate and examined with a wide array of…

Structural Characterization of Bacterial Nanowires

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Project type
Large-Scale EMSL Research
Several species of bacteria are capable of reducing insoluble metal oxides as well as other extracellular electron acceptors. These bacteria play a critical role in the cycling of minerals in…

Multinuclear NMR Studies of and Earth and Energy Systems

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
A team of researchers at PNNL carries out studies that utilize high-resolution nuclear magnetic resonance (NMR)spectroscopy in areas of national need for biological and energy sciences. The research…

High-field Solid-State NMR Studies of Weathered Specimen Kaolinite Clays

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Project type
Capability Research
The dissolution or weathering of specimen kaolinite clay samples has been studied in our laboratory under geochemical conditions characteristic of those found in the vadose zone beneath leaking…

High-resolution NMR spectroscopy of subnanoliter liquid samples

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Hardeep Mehta
Nuclear magnetic resonance (NMR) spectroscopy is recognized as an important and often indispensible analytic tool for structure elucidation, molecular identification, measurements of dynamics (on…

Multinuclear NMR Studies of Energy Systems and Beyond

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
My research team at PNNL carries out studies that utilize high-resolution nuclear magnetic resonance (NMR) spectroscopy to attack areas of national need. The research projects include scientific…

In Situ and Ex Situ Studies of Energy Storage Materials

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Project type
Exploratory Research
Innovation of energy storage technology depends critically on the fundamental understanding of the operating mechanism and dynamic interaction across different components in the storage unit. With…

High-Field NMR Investigations of
Strontium-87 in Environmental Samples

Lead Institution
St. Mary's College of Maryland
Principal Investigator
Geoffrey Bowers
Project type
Capability Research
Our proposal is to use ultra-high-field NMR spectroscopy to study strontium nuclei in solid samples. Strontium is a quadrupolar nucleus (I = 9/2) with a very low gyromagnetic ratio and low…

In Situ and Ex Situ Studies of Energy Storage Materials

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Karl Mueller
Project type
Exploratory Research
Innovation of energy storage technology depends critically on the fundamental understanding of the operating mechanism and dynamic interaction across different components in the storage unit. With…