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Self-assembly of active bifunctional Brownian particles.
Soft Matter
December 2024
Departamento de Estructura de la Materia, Física Térmica y Electrónica, Universidad Complutense de Madrid, 28040 Madrid, Spain.
In this work, with the intent of exploring the out-of-equilibrium polymerization of active patchy particles in linear chains, we study a suspension of active bifunctional Brownian particles (ABBPs). At all studied temperatures and densities, ABBPs self-assemble in aggregating chains, as opposed to the uniformly space-distributed chains observed in the corresponding passive systems. The main effect of activity, other than inducing chain aggregation, is to reduce the chain length and favour the alignment of the propulsion vectors in the bonding process.
View Article and Find Full Text PDFEvaluation of adherence of Candida albicans to differently manufactured acrylic resin denture base materials.
J Prosthet Dent
September 2024
Adjunct Professor, Prosthodontics, Adams School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC.
Statement Of Problem: Though computer-aided design and computer-aided manufactured (CAD-CAM) denture bases have become popular, evidence on the ability of C. albicans cells to adhere to these denture bases is lacking.
Purpose: The purpose of this in vitro study was to evaluate the adherence of Candida albicans to differently manufactured acrylic resin denture bases.
Density and inertia effects on two-dimensional active semiflexible filament suspensions.
Soft Matter
August 2024
Department of Theoretical Physics, Complutense University of Madrid, 28040 Madrid, Spain.
We examine the influence of density on the transition between chain and spiral structures in planar assemblies of active semiflexible filaments, utilizing detailed numerical simulations. We focus on how increased density, and higher Péclet numbers, affect the activity-induced transition spiral state in a semiflexible, self-avoiding active chain. Our findings show that increasing the density causes the spiral state to break up, reverting to a motile chain-like shape.
View Article and Find Full Text PDFCurrent management of tricuspid regurgitation: a focus on the spiral suspension approach.
Gen Thorac Cardiovasc Surg
June 2024
Department of Cardiovascular Surgery, Nagasaki University, Nagasaki, Japan.
Article Synopsis
- * New techniques like the spiral suspension method have been developed to address severe TR, which often recurs due to complications like enlarged right ventricles and leaflet tethering.
- * This review emphasizes the spiral suspension technique, which involves adjusting the positioning of papillary muscles to improve TR outcomes by correcting tethering issues.
Circulation of hydraulically ponded turbidity currents and the filling of continental slope minibasins.
Nat Commun
March 2024
Department of Earth and Environmental Sciences, Tulane University, New Orleans, LA, 70118, USA.
Natural depressions on continental margins termed minibasins trap turbidity currents, a class of sediment-laden seafloor density driven flow. These currents are the primary downslope vectors for clastic sediment, particulate organic carbon, and microplastics. Here, we establish a method that facilitates long-distance self-suspension of dilute sediment-laden flows, enabling study of turbidity currents with appropriately scaled natural topography.
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