Results 201 to 210 of about 41,765 (241)

The Role of Biomechanical Regulation in Physiological and Pathological Pregnancy: From Mechanotransduction to Clinical Implications. [PDF]

Int J Biol Sci
Wang T, Chen W, Yang H, Yan J.
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Dynamic Reorientation of Cultured Cells and Stress Fibers under Mechanical Stress from Periodic Stretching

Experimental Cell Research, 2001
Cell lines derived from rat aorta and frog kidney were cultured on elastic membrane, and mechanical stress was given to the cells by stretching the membrane periodically. Cell reorientation oblique to the direction of stretching occurred as a result of the rapid withdrawal of cell periphery located along the direction of stretching and gradual ...
Naruki Sato, Kimihide Hayakawa, Takashi Obinata   +2 more
exaly   +3 more sources

Structural Analysis of Periodic Trusses and Lattice Materials: States of Self-Stress, Mechanisms, and Mechanical Properties

Journal of Applied Mechanics, 2023
Abstract In the realm of low relative density, a rigid-jointed lattice material exhibits a mechanical response analogous to that of a pin-jointed periodic truss with an identical micro-architecture. This correspondence simplifies the evaluation of the lattice’s structural performance. While established matrix methods in linear algebra
Oguz Aycan Ickin, Cihan Tekoğlu
openaire   +1 more source

Maturation of the adrenocortical stress response: Neuroendocrine control mechanisms and the stress hyporesponsive period

Brain Research Reviews, 1986
During the first two weeks of life rat pups show a markedly reduced adrenocortical response to stress, and this period of adrenocortical quiescence has been termed the 'stress non-responsive period' (SNRP). The adaptive value of the SNRP can be understood in terms of the effects of glucocorticoids on CNS development: excessively high or low corticoid ...
R M, Sapolsky, M J, Meaney
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The influence of periodic mechanical stresses on the incommensurate phase of quartz

Physica B: Condensed Matter, 1997
Abstract The kinetics of the stress-induced transition from the β- to the incommensurate phase in quartz has been investigated by time-resolved triple-axis spectroscopy. It is shown that the formation of the modulated phase under external load takes a longer time than the removal of the modulation if the stress is released.
H. Gibhardt, G. Eckold, H. Mitlacher
openaire   +1 more source

Mechanisms of periodic deformation of the film-substrate system under compressive stress

Physical Mesomechanics, 2010
The paper considers elastic and plastic deformation of metal, oxide and semiconductor films during their growth, thermal annealing and mechanical loading. It is shown that in a compressed thin film-compliant substrate system, wrinkling of the film surface and coherent deformation of the substrate take place.
A.R. Shugurov, A.V. Panin
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On the simultaneous action mechanism of a periodic mechanical stress and an alternative magnetic field in the reversible movement of the bloch wall

European Physical Journal D, 1965
The mechanism of the simultaneous action of an alternating magnetic field and periodic mechanical stress during the reversible displacement of a Bloch wall is investigated.
B. F. Rothenstein, A. Policec
exaly   +2 more sources

Periodic mechanical stress enhances rat chondrocyte area expansion and migration through Src-PLCγ1-ERK1/2 signaling

European Journal of Cell Biology, 2010
The signal transduction pathways of chondrocyte area expansion and migration under periodic mechanical stress remain a matter of debate. We explore this question by performing cell culture experiments in our self-developed periodic stress field and perfusion culture system.
Luming Nong, Weimin Fan, Kewei Ren
exaly   +3 more sources