Results 11 to 20 of about 450,357 (249)
Understanding the mechanisms of lung mechanical stress [PDF]
Brazilian Journal of Medical and Biological Research, 2006 Physical forces affect both the function and phenotype of cells in the lung. Bronchial, alveolar, and other parenchymal cells, as well as fibroblasts and macrophages, are normally subjected to a variety of passive and active mechanical forces associated with lung inflation and vascular perfusion as a result of the dynamic nature of lung function. These
Garcia, C. S. N. B. +5 more
openaire +7 more sources
Mechanisms of stress in the brain [PDF]
Nature Neuroscience, 2015 The brain is the central organ involved in perceiving and adapting to social and physical stressors via multiple interacting mediators, from the cell surface to the cytoskeleton to epigenetic regulation and nongenomic mechanisms. A key result of stress is structural remodeling of neural architecture, which may be a sign of successful adaptation ...
Bruce S McEwen +6 more
openaire +4 more sources
Mechanism of Oxidative Stress in Neurodegeneration [PDF]
Oxidative Medicine and Cellular Longevity, 2012 Biological tissues require oxygen to meet their energetic demands. However, the consumption of oxygen also results in the generation of free radicals that may have damaging effects on cells. The brain is particularly vulnerable to the effects of reactive oxygen species due to its high demand for oxygen, and its abundance of highly peroxidisable ...
Gandhi, S, Abramov, AY
openaire +4 more sources
Science and Technology of Nuclear Installations, 2022 The interaction between the mechanical heterogeneity and the residual stress in dissimilar metal welded joints (DMWJs) leads to a complex mechanical field of crack tips, which strongly affects stress corrosion cracking (SCC) behaviors.
Yubiao Zhang +6 more
doaj +1 more source
Influence of thermal-mechanical stress on the insulation system of a low voltage electrical machine [PDF]
Archives of Electrical Engineering, 2021 Varying ohmic loss in the winding of electrical machines, which are operated at various operating points, results in temperature changes during operation.
Liguo Yang, Florian Pauli, Kay Hameyer
doaj +1 more source
Regular Mechanical Stimuli Enhanced Tolerance to Salinity Stress in Glycine max L. Seedlings
Journal of Tropical Life Science, 2023 Regular touch treatment leads to plant adaptations that enhances mechanical strength. In many crop plants these adaptations result in cross-tolerance to biotic stress caused by bacterial or fungal infection and abiotic stress conditions like salinity or ...
Juhika Patel +2 more
doaj +1 more source
Destabilization of Indomethacin-Paracetamol Co-Amorphous Systems by Mechanical Stress
Pharmaceutics, 2023 Using co-amorphous systems (CAMS) has shown promise in addressing the challenges associated with poorly water-soluble drugs. Quench-cooling is a commonly used CAMS preparation method, often followed by grinding or milling to achieve a fine powder that is
Rong Di, Thomas Rades, Holger Grohganz
doaj +1 more source
Stress mechanisms in hypertension [PDF]
Postgraduate Medical Journal, 1986 Summary Recent studies of stress mechanisms in hypertension have focussed on the cardiovascular and neuroendocrine reactions to challenging or threatening psychosocial stimuli. Fixed hypertension may develop in some animal models following chronic exposure to psychosocial conflict.
openaire +3 more sources
Frontiers in Genetics, 2022 Background: Osteoarthritis (OA) is a common degenerative joint disease. The aims of this study are to explore the effects of mechanical stress on whole transcriptome landscape and to identify a non-coding transcriptome signature of mechanical stress ...
Jiaming Zhang +8 more
doaj +1 more source
Finite element analysis of mechanical stress in in-wheel motor [PDF]
Archives of Electrical Engineering, 2022 When the in-wheel motor is working, it will be affected by gravity, centrifugal force and electromagnetic force. These three kinds of mechanical loads will affect the mechanical stress characteristics of the in-wheel motor, and then affect the ...
Jie Xu
doaj +1 more source