Results 21 to 30 of about 276,305 (263)

Multi-scale models of lung fibrosis

open access: yesMatrix Biology, 2020
The architectural complexity of the lung is crucial to its ability to function as an organ of gas exchange; the branching tree structure of the airways transforms the tracheal cross-section of only a few square centimeters to a blood-gas barrier with a surface area of tens of square meters and a thickness on the order of a micron or less.
Julie Leonard-Duke   +8 more
openaire   +3 more sources

Mathematical Modeling of the Solid–Liquid Interface Propagation by the Boundary Integral Method with Nonlinear Liquidus Equation and Atomic Kinetics

open access: yesCrystals, 2022
In this paper, we derive the boundary integral equation (BIE), a single integrodifferential equation governing the evolutionary behavior of the interface function, paying special attention to the nonlinear liquidus equation and atomic kinetics.
Ekaterina A. Titova   +2 more
doaj   +1 more source

Dynamics of intracellular clusters of nanoparticles

open access: yesCancer Nanotechnology, 2022
Background Nanoparticles play a crucial role in nanodiagnostics, radiation therapy of cancer, and they are now widely used to effectively deliver drugs to specific sites, targeting whole organs and down to single cells, in a controlled manner ...
Dmitri V. Alexandrov   +3 more
doaj   +1 more source

On the Theory of Unsteady-State Operation of Bulk Continuous Crystallization

open access: yesCrystals, 2022
Motivated by an important application in the chemical and pharmaceutical industries, we consider the non-stationary growth of a polydisperse ensemble of crystals in a continuous crystallizer.
Eugenya V. Makoveeva   +2 more
doaj   +1 more source

A multi-scale model of erythropoiesis

open access: yesJournal of Biological Dynamics, 2010
In this paper, a multi-scale mathematical model of erythropoiesis is proposed in which erythroid progenitors are supposed to be able to self-renew. Three cellular processes control erythropoiesis: self-renewal, differentiation and apoptosis. We describe these processes and regulatory networks that govern them.
Demin, Ivan   +3 more
openaire   +4 more sources

Multi-scale modelling of granular avalanches [PDF]

open access: yesAIP Conference Proceedings, 2013
Avalanches, debris flows, and landslides are geophysical hazards, which involve rapid mass movement of granular solids, water and air as a single-phase system. The dynamics of a granular flow involve at least three distinct scales: the micro-scale, meso-scale, and the macro-scale. This study aims to understand the ability of continuum models to capture
Kumar, Krishna   +2 more
openaire   +3 more sources

The method of smelting metals from charge with low metal content in a furnace with bottom electrodes and the first laboratory studies

open access: yesMATEC Web of Conferences, 2018
Liquid phase smelting reduction process for utilization of ferrous waste in the electric furnace with stationary bottom electrodes by carbon-thermal reduction is proposed and tested in laboratory conditions.
Kazak Oleg, Starodumov Ilya
doaj   +1 more source

The Tip of Dendritic Crystal in an Inclined Viscous Flow

open access: yesCrystals, 2022
We study the flow around the tip of a dendritic crystal by an inclined stream of viscous incompressible liquid. The tip shape is chosen accordingly to recent theory [Phil. Trans. R. Soc.
Ilya O. Starodumov   +3 more
doaj   +1 more source

Multi-scale modelling in computational biomedicine [PDF]

open access: yesBriefings in Bioinformatics, 2009
The inherent complexity of biomedical systems is well recognized; they are multi-scale, multi-science systems, bridging a wide range of temporal and spatial scales. This article reviews the currently emerging field of multi-scale modelling in computational biomedicine. Many exciting multi-scale models exist or are under development.
Sloot, P.M.A., Hoekstra, A.G.
openaire   +6 more sources

Selection Criterion of Stable Dendritic Growth for a Ternary (Multicomponent) Melt with a Forced Convective Flow

open access: yesCrystals, 2022
A stable growth mode of a single dendritic crystal solidifying in an undercooled ternary (multicomponent) melt is studied with allowance for a forced convective flow.
Dmitri V. Alexandrov   +3 more
doaj   +1 more source

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