Results 41 to 50 of about 6,573,947 (328)

Stress-strain synchronization for high strain rate tests on brittle composites [PDF]

open access: yes, 2018
Nowadays, many researchers develop rate-dependent composite material models for application in dynamic simulations. Ideally, full stress-strain curves at a wide range of strain rates are available for identification of the different parameters of these ...
Garoz Gómez, David   +6 more
core   +1 more source

Function‐driven design of a surrogate interleukin‐2 receptor ligand

open access: yesFEBS Letters, EarlyView.
Interleukin (IL)‐2 signaling can be achieved and precisely fine‐tuned through the affinity, distance, and orientation of the heterodimeric receptors with their ligands. We designed a biased IL‐2 surrogate ligand that selectively promotes effector T and natural killer cell activation and differentiation. Interleukin (IL) receptors play a pivotal role in
Ziwei Tang   +9 more
wiley   +1 more source

Mechanical properties of flax short fiber reinforced silicone rubber composites

open access: yesXi'an Gongcheng Daxue xuebao, 2023
In order to improve the mechanical properties of short flax fiber reinforced silicone rubber composites, flax short fiber/silicone rubber composite was prepared with flax short fiber as reinforcement and silicone rubber as matrix.
ZHOU Zixiang, CHEN Si
doaj   +1 more source

Thermal Fluctuations and Rubber Elasticity

open access: yes, 2006
The effects of thermal elastic fluctuations in rubber materials are examined. It is shown that, due to an interplay with the incompressibility constraint, these fluctuations qualitatively modify the large-deformation stress-strain relation, compared to ...
L. R. G. Treloar   +5 more
core   +1 more source

Behavior of large-scale rectangular columns confined with FRP composites [PDF]

open access: yes, 2010
This paper focuses on axially loaded, large-scale rectangular RC columns confined with fiber-reinforced polymer (FRP) wrapping. Experimental tests are conducted to obtain the stress-strain response and ultimate load for three field-size columns having ...
Toutanji, H   +3 more
core   +2 more sources

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

Comparative Finite Element Analysis of Exoskeletons Materials for Durability in Rehabilitation

open access: yesRecoletos Multidisciplinary Research Journal
Background: Assistive devices, such as exoskeletons, are one of the biggest breakthroughs in the medical industry, especially regarding physical therapy and rehabilitation. However, many of these devices are expensive.
Michael Leander Roque   +4 more
doaj   +1 more source

Cross-Sectional Unification on the Stress-Strain Model of Concrete Subjected to High Passive Confinement by Fiber-Reinforced Polymer

open access: yesPolymers, 2016
The stress-strain behavior of concrete can be improved by providing a lateral passive confining pressure, such as fiber-reinforced polymer (FRP) wrapping. Many axial stress-strain models have been proposed for FRP-confined concrete columns.
Yu-gui Cao, Cheng Jiang, Yufei Wu
semanticscholar   +1 more source

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

open access: yesFEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva   +5 more
wiley   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

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