Results 261 to 270 of about 11,866,665 (347)

IV Thrombolysis Facilitates Interventional Reperfusion in Non‐Cardioembolic but Not Cardioembolic Stroke

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Intravenous thrombolysis (IVT) before thrombectomy for ischemic stroke may alter clot structure and procedural performance. We investigated how IVT relates to thrombectomy metrics across stroke etiologies. Methods We performed a time‐to‐event analysis of consecutive patients with anterior circulation large vessel occlusion (acLVO ...
Annahita Sedghi   +8 more
wiley   +1 more source

ALDOA Promotes Glycolysis and NLRP3/GSDMD Pyroptosis to Accelerate ALS Progression

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Amyotrophic lateral sclerosis (ALS) is characterized by progressive motor neuron degeneration. Glycolytic dysregulation is implicated in disease progression, yet the underlying mechanisms remain unclear. This study investigates how Aldolase A (ALDOA) drives ALS progression through glycolysis‐mediated motor neuron pyroptosis.
Kaixin Yan   +9 more
wiley   +1 more source
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Optimal design of functionally graded material for stress concentration reduction

Structures, 2021
Young’s modulus distribution, a significant parameter of a functionally graded material, is investigated to reduce the stress concentration. An evolutionary optimization algorithm of Young’s modulus is developed.
Yicong Zhou, Qiyin Lin, Jun Hong
exaly   +2 more sources

Effect of characteristic parameters of pitting on strength and stress concentration factor of cable steel wire

Construction and Building Materials, 2020
In order to investigate the influence of characteristic parameters of pits on the strength and stress concentration factor of cable steel wire, 198 cable steel wires with pits were manually prepared. The variation law of stress distribution of steel wire
Rou Li, Changqing Miao
exaly   +2 more sources

Relieving Stress Concentration through Anion-Cation Codoping toward Highly Stable Nickel-Rich Cathode.

ACS Nano, 2023
Nickel-rich LiNi0.8Co0.15Al0.015O2 (NCA) with excellent energy density is considered one of the most promising cathodes for lithium-ion batteries.
Yu Zhou   +14 more
semanticscholar   +1 more source

The Role of Stiffness-Matching in Avoiding Stress Shielding-Induced Bone Loss and Stress Concentration-Induced Skeletal Reconstruction Device Failure.

Acta Biomaterialia, 2023
It is well documented that overly stiff skeletal replacement and fixation devices may fail and require revision surgery. Recent attempts to better support healing and sustain healed bone have looked at stiffness-matching of these devices to the desired ...
Agnieszka Chmielewska, David Dean
semanticscholar   +1 more source

Stress concentration affecting hydrogen-assisted crack in API X70 pipeline base and weld steel under hydrogen/natural gas mixture

, 2021
A sudden change in the geometrical parameters of a material, such as bends, T-branches, and welded joints may increase the stress concentration, which in turn may enhance the diffusible hydrogen concentration.
T. Nguyen   +4 more
semanticscholar   +1 more source

Characterisation of actual weld geometry and stress concentration of butt welds exhibiting local undercuts

, 2021
Nowadays automated welding processes produce high-quality welds with smooth and regular global weld geometry. However, the local geometry of the weld exhibits a certain amount of variance in its topography due to dynamic effects of the welding process ...
Markus Ottersböck   +2 more
semanticscholar   +1 more source

Influence of weld geometry on stress concentration factor distributions in tubular joints

, 2021
Fatigue design of welded tubular joints relies on an extensive number of parametric equations that allow calculation of the stress concentration factors at characteristic locations around the weld circumference. These equations were developed with finite
K. Hectors, Wim De Waele
semanticscholar   +1 more source

Peterson's Stress Concentration Factors

, 2020
Index to the Stress Concentration Factors. Preface for the Third Edition. Preface for the Second Edition. 1. Definitions and Design Relations. 1.1 Notation. 1.2 Stress Concentration. 1.3 Stress Concentration as a Two-Dimensional Problem.
W. Pilkey
semanticscholar   +1 more source

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