Scott E. Johnson
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View article: Spatial lipidomics reveals sphingolipid metabolism as anti-fibrotic target in the liver
Spatial lipidomics reveals sphingolipid metabolism as anti-fibrotic target in the liver Open
Our spatial multi-omics approach suggests cell type-specific mechanisms of fibrogenesis involving sphingolipid metabolism. Importantly, sphingolipid metabolic pathways are modifiable targets, which may have potential as an anti-fibrotic th…
View article: Free-breathing single-shot late gadolinium enhancement imaging with variable inversion time (vTI LGE) for imaging of scar and lipomatous metaplasia
Free-breathing single-shot late gadolinium enhancement imaging with variable inversion time (vTI LGE) for imaging of scar and lipomatous metaplasia Open
View article: Initial potential of 0.064 T globally accessible portable bedside MRV for diagnostic imaging of head and neck veins without exogenous contrast
Initial potential of 0.064 T globally accessible portable bedside MRV for diagnostic imaging of head and neck veins without exogenous contrast Open
View article: Accelerated phase-contrast magnetic resonance imaging with use of resolution enhancement generative adversarial neural network
Accelerated phase-contrast magnetic resonance imaging with use of resolution enhancement generative adversarial neural network Open
We demonstrated the potential of CRISPFlow to accelerate phase contrast CMR.
View article: Late gadolinium enhancement cardiovascular magnetic resonance with generative artificial intelligence
Late gadolinium enhancement cardiovascular magnetic resonance with generative artificial intelligence Open
The generative AI-based model enhances the image quality of 2D LGE images while reducing the scan time and preserving imaging sharpness. Further evaluation in a large cohort is needed to assess the clinical utility of AI-enhanced LGE image…
View article: Very Low Field Portable Bedside MRA: Initial Potential
Very Low Field Portable Bedside MRA: Initial Potential Open
View article: Accelerated chemical shift encoded cardiovascular magnetic resonance imaging with use of a resolution enhancement network
Accelerated chemical shift encoded cardiovascular magnetic resonance imaging with use of a resolution enhancement network Open
View article: Numerical exploration of factors that control stress amplification in Earth's lithosphere
Numerical exploration of factors that control stress amplification in Earth's lithosphere Open
SUMMARY The mechanical heterogeneity of Earth's lithosphere leads to significant amplification of stresses across spatial scales ranging from mineral grains to tectonic plates. These stress amplifications play a key role in mechanical and …
View article: Elastic Contrast, Rupture Directivity, and Damage Asymmetry in an Anisotropic Bimaterial Strike-Slip Fault at Middle Crustal Depths
Elastic Contrast, Rupture Directivity, and Damage Asymmetry in an Anisotropic Bimaterial Strike-Slip Fault at Middle Crustal Depths Open
The data files here have been used in Song et al. (2022, Journal of Geophysical Research, https://doi.org/10.1029/2021JB023821). Ten Excel files and one zipped file (EBSD and synthetic data) are provided. (1) One shows single-crystal stiff…
View article: Elastic Contrast, Rupture Directivity, and Damage Asymmetry in an Anisotropic Bimaterial Strike-Slip Fault at Middle Crustal Depths
Elastic Contrast, Rupture Directivity, and Damage Asymmetry in an Anisotropic Bimaterial Strike-Slip Fault at Middle Crustal Depths Open
Ten Excel files and one zipped file (EBSD and synthetic data) are provided. (1) One shows single-crystal stiffness tensors of quartz, plagiolcase, biotite (phlogopite), and muscovite. Three show (2) homogenized stiffness tensors, (3) 3D mi…
View article: Elastic Contrast, Rupture Directivity, and Damage Asymmetry in an Anisotropic Bimaterial Strike-Slip Fault at Middle Crustal Depths
Elastic Contrast, Rupture Directivity, and Damage Asymmetry in an Anisotropic Bimaterial Strike-Slip Fault at Middle Crustal Depths Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Journal of Geophysical Research - Solid Earth. ESSOAr is a venue for early communication or feedback before peer review. Data may be pre…
View article: Rheological Bridge Zone: Initialization of Localization
Rheological Bridge Zone: Initialization of Localization Open
<p>Strain localization occurs throughout the crust, in both the brittle and viscous regimes. The causes of strain localization remain under discussion. However, realistic rock records indicate that variations of material properties (…
View article: Energy Partitioning, Dynamic Fragmentation, and Off-Fault Damage in the Earthquake Source Volume
Energy Partitioning, Dynamic Fragmentation, and Off-Fault Damage in the Earthquake Source Volume Open
Three tables (#2, #4 and #5) are provided. Table 2 shows fragmented garnet data including fragment size from the Sandhill Corner fault/shear zone, Maine, USA. Table 4 provides the results of surface-area energy density and tensile strain r…
View article: Supplemental Material: Modification of crustal seismic anisotropy by geological structures (“structural geometric anisotropy”)
Supplemental Material: Modification of crustal seismic anisotropy by geological structures (“structural geometric anisotropy”) Open
Geosphere, February 2019, v. 15, no. 1, p. 146-170, doi:10.1130/GES01655.1, Supplemental Material. Five files are provided. (1) A text readme file describing the supplemental material files. (2) A table of elastic tensor coefficients for e…
View article: Evolution of microporosity and permeability of quartzofeldspathic rocks during changes in crustal conditions and tectonite fabric
Evolution of microporosity and permeability of quartzofeldspathic rocks during changes in crustal conditions and tectonite fabric Open
Most crustal rocks contain some microporosity that can host fluids and allow them to permeate, which in turn impacts their physical properties and rheology. Using electron microscopic methods we have examined the nature of microporosity in…
Modification of crustal seismic anisotropy by geological structures (“structural geometric anisotropy”) Open
View article: Crack extension induced by dissociation of fracture-hosted methane gas hydrate
Crack extension induced by dissociation of fracture-hosted methane gas hydrate Open
We investigate extension of a vertical crack filled by water and methane gas induced by dissociation of methane hydrate in low-permeability muddy sediment. We model the sediment as an impermeable elastic medium and consider a thin sheet co…
View article: Integrated Analytical-Computational Analysis of Microstructural Influences on Seismic Anisotropy
Integrated Analytical-Computational Analysis of Microstructural Influences on Seismic Anisotropy Open
The magnitudes, orientations and spatial distributions of elastic anisotropy in Earth's crust and mantle carry valuable information about gradients in thermal, mechanical and kinematic parameters arising from mantle convection, mantle-crus…
View article: Do hyperenriched black shales correspond with periods of elevated atmospheric O 2
Do hyperenriched black shales correspond with periods of elevated atmospheric O 2 Open
Hyperenriched black shales (HBS) contain anomalously high levels of organic carbon and a wide variety of trace elements, in particular Mo, Se, Zn, Ni, Cu, U, and V, and, in some cases, Cr, Co, Ag, Au, PGE, and REE. The source of metals has…