Results 301 to 310 of about 1,725,788 (328)
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Mechanisms of stress (Takotsubo) cardiomyopathy
Nature Reviews Cardiology, 2010Stress cardiomyopathy, also referred to as Takotsubo cardiomyopathy, transient apical ballooning or broken heart syndrome, is a disorder associated with transient left ventricular dysfunction. Symptoms include acute chest pain and dyspnea accompanied by electrocardiographic changes, such as ST-segment elevation and T-wave inversions, minimal elevation ...
Holger M, Nef +3 more
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On Stress and Coping Mechanisms
Issues in Mental Health Nursing, 1985(1985). On Stress and Coping Mechanisms. Issues in Mental Health Nursing: Vol. 7, No. 1-4, pp. 3-24.
J, Taché, H, Selye
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Metabolic Mechanisms of Stress Hyperglycemia
Journal of Parenteral and Enteral Nutrition, 2006Stress hyperglycemia has gained the attention of virtually every physician who encounters critically ill patients, with the emergence of clinical data supporting tight glycemic control and intensive insulinization for optimal outcome. In order to effectively manage stress hyperglycemia, newer theories of critical illness and the interactions of the ...
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Mechanical stress induced whiskers
2009 15th International Symposium for Design and Technology of Electronics Packages (SIITME), 2009Electroplated tin surfaces grow whiskers easily and mechanical loads tend to accelerate this. Our aim was to define how the different kinds of mechanical loads induce the growth of tin whiskers. We have applied 3 types of mechanical loads on component leads covered by either electroplated tin or electroplated tin with silver underlayer.
Barbara Horvath, Gabor Harsanyi
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2013
We shall continue now the theoretical study of the preceding chapter, by putting in evidence the stresses which arise because of the deformation of a solid body; both vector and tensor aspects of the stress are thus emphasized.
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We shall continue now the theoretical study of the preceding chapter, by putting in evidence the stresses which arise because of the deformation of a solid body; both vector and tensor aspects of the stress are thus emphasized.
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Signal Transduction and Mechanical Stress
Science's STKE, 2004Bone undergoes a constant process of remodeling in which mass is retained or lost in response to the relative activity of osteoblasts and osteoclasts. Weight-bearing exercise—which is critical for retaining skeletal integrity—promotes osteoblast function, whereas a lack of mechanical stimulation, as seen during spaceflight or prolonged bed rest, can ...
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Mechanics of Elastic Stress Transfer
2016At the beginning of the loading regime—when the DFRC is subjected to low applied loads—the response of the DFRC to the applied load is regulated by the elastic stress transfer mechanism. As the load increases, eventually the DFRC undergoes a transition from the elastic stress transfer stage to the plastic stress transfer stage.
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2011
Bone has been known to adapt to mechanical stress (Amin 2010; Beier and Loeser 2010; Currey 2010; Temiyasathit and Jacobs 2010). The presence of mechanical stress increases bone mass and the absence of mechanical stress reduces bone mass. Bending of weight-bearing long bone increases pressure on the concave side and decreases it on the convex side ...
Masaki Noda +4 more
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Bone has been known to adapt to mechanical stress (Amin 2010; Beier and Loeser 2010; Currey 2010; Temiyasathit and Jacobs 2010). The presence of mechanical stress increases bone mass and the absence of mechanical stress reduces bone mass. Bending of weight-bearing long bone increases pressure on the concave side and decreases it on the convex side ...
Masaki Noda +4 more
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Monitoring Cellular Mechanical Stress
Science's STKE, 2007Cells exert and respond to mechanical forces, but investigating how these signals are transduced is a challenge. By measuring differential labeling of cysteines in stressed and relaxed cells, Johnson et al . identify proteins that change their structure in response to stress. Using mass spectroscopy, they determined
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microRNAs and Mechanical Stress
2011Mechanical stress, one of the major abiotic stresses, significantly affects plant growth, survival, and reproduction. Recent studies showed that cytoplasmic calcium, reactive oxygen species, and phytohormones play important roles in mechanosensing and subsequent anatomical and morphological changes in plants exposed to mechanical stress. A large number
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