Results 31 to 40 of about 412,774 (311)

The Impact of Pressure Angle and Tooth Root on the Modified Elliptical Gears Bending Stress and Fatigue Life

open access: yesThe Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science
Noncircular gears are receiving growing attention due to their ability to deliver variable transmission ratios and to optimize motions in specialized mechanical and industrial applications.
Paul-Adrian PASCU, Laurentia ANDREI
doaj   +1 more source

TRAIL‐PEG‐Apt‐PLGA nanosystem as an aptamer‐targeted drug delivery system potential for triple‐negative breast cancer therapy using in vivo mouse model

open access: yesMolecular Oncology, EarlyView.
Aptamers are used both therapeutically and as targeting agents in cancer treatment. We developed an aptamer‐targeted PLGA–TRAIL nanosystem that exhibited superior therapeutic efficacy in NOD/SCID breast cancer models. This nanosystem represents a novel biotechnological drug candidate for suppressing resistance development in breast cancer.
Gulen Melike Demirbolat   +8 more
wiley   +1 more source

Casing Pass-through Capacity Analysis and Safety Evaluation for Ultra-deep Horizontal Wells

open access: yesShiyou jixie, 2022
In ultra-deep horizontal wells, when wellbore curvature is too large, casing will be unable to run or be damaged and even destroyed due to high bending stress.
Yang Weixing   +6 more
doaj  

Deformation of face-centered cubic polycrystal and stress tensor components in grains [PDF]

open access: yes, 2016
The transmission electron microscopy (TEM) has been used to indicate the contribution of stress tensorcomponents to internal stresses in deformed polycrystalline austenitic steel.
Gibert, Ivan   +3 more
core   +1 more source

Matrix metalloproteinase‐9 regulates cell adhesion and membrane protrusive activity of ovarian cancer cells

open access: yesFEBS Open Bio, EarlyView.
Matrix metalloproteinase‐9 (MMP9) drives ovarian cancer progression. Using MMP9‐null cells (M9‐KO) created from ovarian cancer cells, we found MMP9 loss did not block Epidermal Growth Factor (EGF)‐driven E‐cadherin dissolution or EMT but delayed and reduced EGF‐driven membrane protrusions. Transient MMP9 re‐expression drove membrane protrusion.
Claire Strauel   +8 more
wiley   +1 more source

The Role of Calcitonin Gene‐Related Peptide in High‐Altitude Headache: A Prospective Field Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective High‐altitude headache (HAH) is a common neurological condition associated with rapid ascent to high altitude. The pathophysiological mechanisms underlying HAH remain incompletely understood. Calcitonin gene‐related peptide (CGRP), a neuropeptide implicated in migraine pathophysiology, may play a key role in the pathophysiology of ...
Roman Schniepp   +4 more
wiley   +1 more source

On stress resultant plasticity and viscoplasticity for metal plates [PDF]

open access: yes, 2008
In this work we derive elastoplastic and elastoviscoplastic finite element formulations for stress resultant bending analysis of thin metal plates. The principle of maximum plastic dissipation is used to obtain the ingredients of the small strain stress ...
Brank, Boštjan, Dujc, Jaka
core   +1 more source

Clinical Practice Guideline for Evaluation and Management of Peripheral Nervous System Manifestations in Sjögren's Disease

open access: yesArthritis Care &Research, EarlyView.
Objective Sjögren's disease is an autoimmune disorder that can impact multiple organ systems, including the peripheral nervous system (PNS). PNS manifestations, which can exist concurrently, include mononeuropathies, polyneuropathies, and autonomic nervous system neuropathies.
Anahita Deboo   +88 more
wiley   +1 more source

The Validation and Discussion of a Comparative Method Based on Experiment to Determine the Effective Thickness of Composite Glass

open access: yesBuildings
This study introduces and validates a comparative experiment-based method for determining the effective thickness of composite glass, including polymeric laminated glass (with polyvinyl butyral (PVB) and SentryGlas® (SGP) interlayers) and vacuum glazing.
Dake Cao   +5 more
doaj   +1 more source

Experimental evaluation on railway axle ultrasonic testing (Effect of variable stress acting on the crack and axle bending stress during ultrasonic test)

open access: yesNihon Kikai Gakkai ronbunshu, 2017
The integrity of railway axles is a critical aspect for ensuring the safety of a railway system. Therefore, non-destructive inspections such as ultrasonic testing and magnetic particle testing are conducted periodically.
Masataka YAMAMOTO   +2 more
doaj   +1 more source

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