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Advanced Search Results For "RHEOLOGY"

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 "RHEOLOGY"
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Instantaneous 4D micro-particle image velocimetry (µPIV) via multifocal microscopy (MUM).

Publication Type: Academic Journal

Source(s): Scientific reports [Sci Rep] 2022 Nov 02; Vol. 12 (1), pp. 18458. Date of Electronic Publication: 2022 Nov 02.

Abstract: Multifocal microscopy (MUM), a technique to capture multiple fields of view (FOVs) from distinct axial planes simultaneously and on one camera, was used to perform micro-particle image velocimetry (µPIV) to reconstruct velocity and shear stress fields ...

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Local Yield and Compliance in Active Cell Monolayers.

Publication Type: Academic Journal

Source(s): Physical review letters [Phys Rev Lett] 2022 Sep 30; Vol. 129 (14), pp. 148101.

Abstract: The rheology of biological tissue plays an important role in many processes, from organ formation to cancer invasion. Here, we use a multiphase field model of motile cells to simulate active microrheology within a tissue monolayer. When unperturbed, th...

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Dynamics and Rheology of Supramolecular Assemblies at Elevated Pressures.

Publication Type: Academic Journal

Source(s): The journal of physical chemistry. B [J Phys Chem B] 2022 Sep 08; Vol. 126 (35), pp. 6713-6724. Date of Electronic Publication: 2022 Aug 26.

Abstract: A methodology to investigate the linear viscoelastic properties of complex fluids at elevated pressures (up to 120 MPa) is presented. It is based on a dynamic light scattering (DLS) setup coupled with a stainless steel chamber, where the test sample is...

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Narrow-Gap Rheometry: A Novel Method for Measuring Cell Mechanics.

Publication Type: Academic Journal

Source(s): Cells [Cells] 2022 Jun 23; Vol. 11 (13). Date of Electronic Publication: 2022 Jun 23.

Abstract: The viscoelastic properties of a cell cytoskeleton contain abundant information about the state of a cell. Cells show a response to a specific environment or an administered drug through changes in their viscoelastic properties. Studies of single cells...

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Flow-Switched Bistability in a Colloidal Gel with Non-Brownian Grains.

Publication Type: Academic Journal

Source(s): Physical review letters [Phys Rev Lett] 2022 Jun 17; Vol. 128 (24), pp. 248002.

Abstract: We show that mixing a colloidal gel with larger, non-Brownian grains generates novel flow-switched bistability. Using a combination of confocal microscopy and rheology, we find that prolonged moderate shear results in liquefaction by collapsing the gel...

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Topography of mountain belts controlled by rheology and surface processes.

Publication Type: Academic Journal

Source(s): Nature [Nature] 2022 Jun; Vol. 606 (7914), pp. 516-521. Date of Electronic Publication: 2022 Jun 01.

Abstract: It is widely recognized that collisional mountain belt topography is generated by crustal thickening and lowered by river bedrock erosion, linking climate and tectonics 1-4 . However, whether surface processes or lithospheric strength control mountain ...

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Linear viscoelastic properties of the vertex model for epithelial tissues.

Publication Type: Academic Journal

Source(s): PLoS computational biology [PLoS Comput Biol] 2022 May 19; Vol. 18 (5), pp. e1010135. Date of Electronic Publication: 2022 May 19 (Print Publication: 2022).

Abstract: Epithelial tissues act as barriers and, therefore, must repair themselves, respond to environmental changes and grow without compromising their integrity. Consequently, they exhibit complex viscoelastic rheological behavior where constituent cells acti...

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Quantitative phase velocimetry measures bulk intracellular transport of cell mass during the cell cycle.

Publication Type: Academic Journal

Source(s): Scientific reports [Sci Rep] 2022 Apr 12; Vol. 12 (1), pp. 6074. Date of Electronic Publication: 2022 Apr 12.

Authors:

Abstract: Transport of mass within cells helps maintain homeostasis and is disrupted by disease and stress. Here, we develop quantitative phase velocimetry (QPV) as a label-free approach to make the invisible flow of mass within cells visible and quantifiable. W...

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Universal scaling law of glass rheology.

Publication Type: Academic Journal

Source(s): Nature materials [Nat Mater] 2022 Apr; Vol. 21 (4), pp. 404-409. Date of Electronic Publication: 2022 Jan 31.

Authors:

Abstract: The similarity in atomic/molecular structure between liquids and glasses has stimulated a long-standing hypothesis that the nature of glasses may be more fluid-like, rather than the apparent solid. In principle, the nature of glasses can be characteriz...

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Supramolecular assembly inspired molecular engineering to dynamically tune non-Newtonian fluid:from quasi-static flowability-free to shear thickening.

Publication Type: Academic Journal

Source(s): Journal of colloid and interface science [J Colloid Interface Sci] 2022 Feb; Vol. 607 (Pt 2), pp. 1805-1812. Date of Electronic Publication: 2021 Sep 20.

Authors:

Abstract: Shear thickening fluids (STFs) have been the research focus for decades because of the prospect as a damping ingredient. However, their inherent liquid character confines their practical applications. In this work, inspired by the assembly engineering,...

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