Benjamin Gilbert
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View article: Methanogenesis and Acetogenesis in Hydrogenotrophy with Carbonate Minerals: Dependence on Mineral Surface Area, Biofilm Growth, and Microbial Community
Methanogenesis and Acetogenesis in Hydrogenotrophy with Carbonate Minerals: Dependence on Mineral Surface Area, Biofilm Growth, and Microbial Community Open
The production, storage, and use of hydrogen are anticipated to grow substantially to achieve energy and climate goals. Consequently, microbial communities in many terrestrial and subsurface Earth environments could be exposed to elevated …
View article: Location Identifiers, Metadata, and Map for Field Measurements at the East-Taylor Watershed Community Observatory, Colorado, USA (Version 3.2)
Location Identifiers, Metadata, and Map for Field Measurements at the East-Taylor Watershed Community Observatory, Colorado, USA (Version 3.2) Open
This dataset contains identifiers, metadata, and a map of the locations where field measurements have been conducted at the East-Taylor Watershed Community Observatory located in the Upper Colorado River Basin, United States. This is versi…
View article: High-precision chemical quantum sensing in flowing monodisperse microdroplets
High-precision chemical quantum sensing in flowing monodisperse microdroplets Open
A method is presented for high-precision chemical detection that integrates quantum sensing with droplet microfluidics. Using nanodiamonds (ND) with fluorescent nitrogen-vacancy (NV) centers as quantum sensors, rapidly flowing microdroplet…
View article: Laboratory measurement of subcritical crack growth and healing in calcite using Double-Torsion tests
Laboratory measurement of subcritical crack growth and healing in calcite using Double-Torsion tests Open
Subcritical crack growth accelerates weathering of rocks and minerals, reduces the strength of rock slope, and affects the stability of subsurface faults. Under special circumstances, the produced cracks can also heal spontaneously (Self h…
View article: Common Photo-oxidative Decarboxylation Mechanism in Iron Hydroxy Carboxylate Complexes
Common Photo-oxidative Decarboxylation Mechanism in Iron Hydroxy Carboxylate Complexes Open
Photochemical oxidation of dissolved organic matter is a crucial component of carbon cycling in surface waters. Photo-oxidation of iron(III)-carboxylate complexes is of particular interest because complexation with iron(III) can sensitize …
View article: Rapid Prediction of a Liquid Structure from a Single Molecular Configuration Using Deep Learning
Rapid Prediction of a Liquid Structure from a Single Molecular Configuration Using Deep Learning Open
Molecular dynamics simulation is an indispensable tool for understanding the collective behavior of atoms and molecules and the phases they form. Statistical mechanics provides accurate routes for predicting macroscopic properties as time-…
View article: Smectite phase separation is driven by hydration-mediated interfacial charge
Smectite phase separation is driven by hydration-mediated interfacial charge Open
Smectite clay minerals have an outsize impact on the response of clay-rich media to common stimuli, such as hydration and ion exchange, motivating extensive effort to understand behaviors resulting from these processes such as swelling and…
View article: Understanding Water Chemistry in a Submicron Scale Environment with Quantum Sensing
Understanding Water Chemistry in a Submicron Scale Environment with Quantum Sensing Open
Water is ubiquitous on Earth and plays innumerable roles in geochemical processes.The properties of water vary considerably due to confinement, surface adsorption and solute composition.These environmental influences can vary at the fine s…
View article: The role of surface forces in environment-enhanced cracking of brittle solids
The role of surface forces in environment-enhanced cracking of brittle solids Open
Fracture initiation and propagation in brittle materials is promoted in surface-reactive (sorptive) environments, a phenomenon known as subcritical crack growth (SCG). Laboratory measured crack-propagation velocity vs. stress intensity fac…
View article: Mineralogical, magnetic and geochemical data constrain the pathways and extent of weathering of mineralized sedimentary rocks
Mineralogical, magnetic and geochemical data constrain the pathways and extent of weathering of mineralized sedimentary rocks Open
The oxidative weathering of sulfidic rock can profoundly impact watersheds through the resulting export of acidity and metals. Weathering leaves a record of mineral transformation, particularly involving minor redox-sensitive phases, that …
View article: Ion complexation waves emerge at the curved interfaces of layered minerals
Ion complexation waves emerge at the curved interfaces of layered minerals Open
Visualizing hydrated interfaces is of widespread interest across the physical sciences and is a particularly acute need for layered minerals, whose properties are governed by the structure of the electric double layer (EDL) where mineral a…
View article: Sulfur Biogeochemical Cycling and Redox Dynamics in a Shale‐Dominated Mountainous Watershed
Sulfur Biogeochemical Cycling and Redox Dynamics in a Shale‐Dominated Mountainous Watershed Open
Sulfur (S) is an essential macronutrient and important component of the earth’s crust, and its cycling has critical impacts on trace metal mobility, water quality, and human health. Pyrite weathering is the primary pathway by which sulfur …
View article: Biomineralization: Integrating mechanism and evolutionary history
Biomineralization: Integrating mechanism and evolutionary history Open
Calcium carbonate (CaCO 3 ) biomineralizing organisms have played major roles in the history of life and the global carbon cycle during the past 541 Ma. Both marine diversification and mass extinctions reflect physiological responses to en…
View article: The hard x-ray nanotomography microscope at the advanced light source
The hard x-ray nanotomography microscope at the advanced light source Open
Beamline 11.3.1 at the Advanced Light Source is a tender/hard (6–17 keV) x-ray bend magnet beamline recently re-purposed with a new full-field, nanoscale transmission x-ray microscope. The microscope is designed to image composite and poro…
View article: <i>Ab initio</i> modeling of H<sub>2</sub>S dissociative chemisorption on Ag(100)
<i>Ab initio</i> modeling of H<sub>2</sub>S dissociative chemisorption on Ag(100) Open
Natural sulfidation of silver nanomaterials can passivate the surface, while preserving desirable optical and electrical properties, which is beneficial for limiting Ag + release and cytotoxicity.
View article: Floquet Prethermalization with Lifetime Exceeding 90 s in a Bulk Hyperpolarized Solid
Floquet Prethermalization with Lifetime Exceeding 90 s in a Bulk Hyperpolarized Solid Open
We report the observation of long-lived Floquet prethermal states in a bulk solid composed of dipolar-coupled $^{13}$C nuclei in diamond at room temperature. For precessing nuclear spins prepared in an initial transverse state, we demonstr…
View article: Atomic Perspective on the Serpentine–Chlorite Solid-State Transformation
Atomic Perspective on the Serpentine–Chlorite Solid-State Transformation Open
Serpentine minerals are important components of metamorphic rocks and promising geo-materials for nanotechnology. Lizardite, the most abundant serpentine mineral, can be transformed into chlorite during metamorphism. This intriguing phase …
View article: Long-Term <sup>13</sup>C Uptake by <sup>12</sup>C-Enriched Calcite
Long-Term <sup>13</sup>C Uptake by <sup>12</sup>C-Enriched Calcite Open
Knowledge of the exchange of carbon isotopes between dissolved inorganic carbon and calcite minerals is of long-standing importance for the interpretation of sedimentary paleoclimate records and 14C transport in the geosphere. To assess th…
View article: Floquet prethermalization with lifetime exceeding 90s in a bulk\n hyperpolarized solid
Floquet prethermalization with lifetime exceeding 90s in a bulk\n hyperpolarized solid Open
We report the observation of long-lived Floquet prethermal states in a bulk\nsolid composed of dipolar-coupled $^{13}$C nuclei in diamond at room\ntemperature. For precessing nuclear spins prepared in an initial transverse\nstate, we demon…
View article: An atomic perspective on the serpentine-chlorite solid-state transformation
An atomic perspective on the serpentine-chlorite solid-state transformation Open
Serpentine minerals are important components of metamorphic rocks and promising geo-materials for nanotechnology. Lizardite, the most abundant serpentine mineral, can be transformed into chlorite during metamorphism. This intriguing phase …
View article: Polytypism in semi-disordered lizardite and amesite by low-dose HAADF-STEM
Polytypism in semi-disordered lizardite and amesite by low-dose HAADF-STEM Open
Serpentine minerals exert important controls on the physical properties of ultramafic rocks and have the potential to influence deformation phenomena in fault zones and to control the release of water in subducted slabs. Sheet serpentine g…