Articles with "curvature" as a keyword



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Effects of surface curvature on electron Monte Carlo (eMC) calculation results.

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Published in 2023 at "Journal of applied clinical medical physics"

DOI: 10.1002/acm2.14020

Abstract: Abstract Some clinical situations in radiotherapy require electron beams to be incident on curved patient surfaces. This study presents central‐axis dose output (cGy/MU) and percent dose versus depth (PDD) data that show the effects of… read more here.

Keywords: curvature electron; effects surface; electron monte; electron ... See more keywords
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Curvature-Controlled Wrinkling Surfaces for Friction.

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Published in 2019 at "Advanced materials"

DOI: 10.1002/adma.201900933

Abstract: Topographical patterns endow material surfaces with unique and intriguing physical and chemical properties. Spontaneously formed wrinkling has been harnessed to generate surface topography for various functionalities. Despite promising applications in biomedical devices and robot engineering,… read more here.

Keywords: surfaces friction; controlled wrinkling; friction; wrinkled surfaces ... See more keywords
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Electrostatically Driven Polarization Flop and Strain‐Induced Curvature in Free‐Standing Ferroelectric Superlattices

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202106826

Abstract: The combination of strain and electrostatic engineering in epitaxial heterostructures of ferroelectric oxides offers many possibilities for inducing new phases, complex polar topologies, and enhanced electrical properties. However, the dominant effect of substrate clamping can… read more here.

Keywords: microscopy; strain; driven polarization; curvature ... See more keywords
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Cell Migration: Surface Curvature Differentially Regulates Stem Cell Migration and Differentiation via Altered Attachment Morphology and Nuclear Deformation (Adv. Sci. 2/2017)

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Published in 2017 at "Advanced Science"

DOI: 10.1002/advs.201770007

Abstract: Mesenchymal stem cells, harvested from the bone marrow, alter their behavior depending on the local curvature of the 3D‐printed surfaces they are seeded upon, as described by Ansgar Petersen and co‐workers in article number 1600347.… read more here.

Keywords: stem cell; cell migration; cell; curvature ... See more keywords
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Superelasticity of Plasma- and Synthetic Membranes Resulting from Coupling of Membrane Asymmetry, Curvature, and Lipid Sorting.

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Published in 2021 at "Advanced science"

DOI: 10.1002/advs.202102109

Abstract: Biological cells are contained by a fluid lipid bilayer (plasma membrane, PM) that allows for large deformations, often exceeding 50% of the apparent initial PM area. Isolated lipids self-organize into membranes, but are prone to… read more here.

Keywords: membranes resulting; plasma synthetic; curvature; membrane ... See more keywords
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Distribution and Generation of Quantum Coherence for Gaussian States in de Sitter Space

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Published in 2021 at "Annalen der Physik"

DOI: 10.1002/andp.202000536

Abstract: We study the distribution and generation of quantum coherence for two-mode and multi-mode Gaussian states in de Sitter space. It is found that the quantum coherence is redistributed among the mode in different open charts… read more here.

Keywords: quantum coherence; space; coherence; distribution generation ... See more keywords
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In silico and in vivo studies of the effect of surface curvature on the osteoconduction of porous scaffolds.

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Published in 2021 at "Biotechnology and bioengineering"

DOI: 10.1002/bit.27976

Abstract: Recent evidence shows that the curvature of porous scaffold plays a significant role in guiding tissue regeneration. However, the underlying mechanism remains controversial to date. In this study, we developed an in silico model to… read more here.

Keywords: surface curvature; effect surface; curvature osteoconduction; osteoconduction ... See more keywords
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Effects of gradient, distance, curvature and aspect on steep burned and unburned hillslope soil erosion and deposition

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Published in 2017 at "Earth Surface Processes and Landforms"

DOI: 10.1002/esp.4067

Abstract: Wildfire denudes vegetation and impacts chemical and physical soil properties, which can alter hillslope erosion rates. Post wildfire erosion can also contribute disproportionately to long-term erosion rates and landscape evolution. Post-fire hillslope erosion rates remain… read more here.

Keywords: erosion; erosion deposition; hillslope; soil ... See more keywords
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Association analysis of exome variants and refraction, axial length, and corneal curvature in a European–American population

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Published in 2018 at "Human Mutation"

DOI: 10.1002/humu.23628

Abstract: Refractive errors, myopia, and hyperopia are common visual disorders greatly affecting older individuals. Refraction is determined by genetic factors but only a small percentage of its variation has been explained. We performed a genetic association… read more here.

Keywords: corneal curvature; association analysis; axial length; refraction axial ... See more keywords
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Expansion of pinched hypersurfaces of the Euclidean and hyperbolic space by high powers of curvature

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Published in 2019 at "Mathematische Nachrichten"

DOI: 10.1002/mana.201700370

Abstract: We prove convergence results for expanding curvature flows in the Euclidean and hyperbolic space. The flow speeds have the form $F^{-p}$, where $p>1$ and $F$ is a positive, strictly monotone and 1-homogeneous curvature function. In… read more here.

Keywords: pinched hypersurfaces; expansion pinched; hyperbolic space; euclidean hyperbolic ... See more keywords
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Mean curvature flow with free boundary – Type 2 singularities

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Published in 2020 at "Mathematische Nachrichten"

DOI: 10.1002/mana.201800156

Abstract: In this paper we give sufficient conditions that guarantee the mean curvature flow with free boundary on a pinched cylinder develops a Type 2 curvature singularity. We additionally prove that Type 0 singularities may only… read more here.

Keywords: mean curvature; free boundary; type singularities; curvature flow ... See more keywords