Articles with "filament" as a keyword



Cryo‐EM structure of a novel α‐synuclein filament subtype from multiple system atrophy

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Published in 2024 at "Febs Letters"

DOI: 10.1002/1873-3468.15048

Abstract: Multiple system atrophy (MSA) is a progressive neurodegenerative disease characterized by accumulation of α‐synuclein cross‐β amyloid filaments in the brain. Previous structural studies of these filaments by cryo‐electron microscopy (cryo‐EM) revealed three discrete folds distinct… read more here.

Keywords: system atrophy; structure; filament; filament subtype ... See more keywords

Characterization of the structure and cross‐shore transport properties of a coastal upwelling filament using three‐dimensional finite‐size Lyapunov exponents

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017jc012700

Abstract: The three dimensional structure, dynamics and dispersion characteristics of a simulated upwelling filament in the Iberian upwelling system are analyzed using Lagrangian tools. We used a realistic regional simulation of the western Iberian shelf which… read more here.

Keywords: three dimensional; finite size; size lyapunov; upwelling filament ... See more keywords

Transmission characteristics of electromagnetic waves in a semicircular plasma filament layer generated by a femtosecond laser

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Published in 2021 at "Contributions to Plasma Physics"

DOI: 10.1002/ctpp.202100032

Abstract: The transmission characteristics of electromagnetic (EM) waves in a semicircular plasma filament layer generated by a femtosecond laser were studied in a wide frequency band including radar waves. We have focussed on the influence of… read more here.

Keywords: transmission characteristics; characteristics electromagnetic; layer; frequency ... See more keywords

Evolution of microstructure and thermo‐mechanical attributes of fiber reinforced polyamide during fused deposition modeling 3D printing: A comprehensive characterization study

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Published in 2024 at "Polymer Composites"

DOI: 10.1002/pc.28894

Abstract: Fused deposition modeling (FDM), a type of additive manufacturing is widely used for complex mold design, single‐part tool manufacturing, and prototyping. The FDM process, especially with fiber‐reinforced filament, induces intricate changes that influence microstructure and… read more here.

Keywords: fused deposition; filament; reinforced polyamide; deposition modeling ... See more keywords

Structural basis for the helical filament formation of Escherichia coli glutamine synthetase

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Published in 2022 at "Protein Science"

DOI: 10.1002/pro.4304

Abstract: Escherichia coli glutamine synthetase (EcGS) spontaneously forms a dodecamer that catalytically converts glutamate to glutamine. EcGS stacks with other dodecamers to create a filament‐like polymer visible under transmission electron microscopy. Filamentous EcGS is induced by… read more here.

Keywords: escherichia coli; microscopy; coli glutamine; filament ... See more keywords

Using Microfluidics Single Filament Assay to Study Formin Control of Actin Assembly.

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Published in 2018 at "Methods in molecular biology"

DOI: 10.1007/978-1-4939-8556-2_4

Abstract: Formin is a highly processive motor that offers very unique features to control the elongation of actin filaments. When bound to the filament barbed-end, it enhances the addition of profilin-actin from solution to dramatically accelerate… read more here.

Keywords: actin assembly; actin; study; using microfluidics ... See more keywords

Multi-walled carbon nanotubes/carbon black/rPLA for high-performance conductive additive manufacturing filament and the simultaneous detection of acetaminophen and phenylephrine

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Published in 2024 at "Mikrochimica Acta"

DOI: 10.1007/s00604-023-06175-2

Abstract: The combination of multi-walled carbon nanotubes (MWCNT) and carbon black (CB) is presented to produce a high-performance electrically conductive recycled additive manufacturing filament. The filament and subsequent additively manufactured electrodes were characterised by TGA, XPS,… read more here.

Keywords: carbon; walled carbon; filament; multi walled ... See more keywords

Analytical model of nonlinear twist dependency for Kevlar yarn based on local filament strain

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Published in 2017 at "Acta Mechanica"

DOI: 10.1007/s00707-016-1721-3

Abstract: Kevlar KM2 600 denier yarn is often twisted to improve yarn load at failure. It is noted in ASTM-D-7269 that twisting KM2 past five twists per inch can cause a lower load at failure. Understanding… read more here.

Keywords: yarn; kevlar yarn; model; filament ... See more keywords

The surge-like eruption of a miniature filament associated with circular flare ribbon

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Published in 2018 at "Astrophysics and Space Science"

DOI: 10.1007/s10509-017-3244-3

Abstract: We present a study of a mini-filament erupting in association with a circular ribbon flare observed by NVST and SDO/AIA on 2014 March 17. The filament was located at one footpoint region of a large… read more here.

Keywords: filament; flare ribbon; eruption; circular flare ... See more keywords

Counter-Streaming Velocities in a Quiescent Filament

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Published in 2025 at "Solar Physics"

DOI: 10.1007/s11207-025-02509-w

Abstract: Filaments/prominences are cold plasma (≈104\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\approx 10^{4}$\end{document} K) embedded in the solar corona, two orders of magnitude hotter. Filament plasma is structured by the magnetic field in… read more here.

Keywords: document; filament; streaming velocities; usepackage ... See more keywords

Building a dendritic actin filament network branch by branch: models of filament orientation pattern and force generation in lamellipodia

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Published in 2018 at "Biophysical Reviews"

DOI: 10.1007/s12551-018-0475-7

Abstract: We review mathematical and computational models of the structure, dynamics, and force generation properties of dendritic actin networks. These models have been motivated by the dendritic nucleation model, which provided a mechanistic picture of how… read more here.

Keywords: network; actin; force generation; branch ... See more keywords